Deer should be discouraged immediately. Deer will eat tree bark, mainly in winter when other food is scarce; Another frequent form of bark damage is fraying. However, there are a number of plants that deer don’t find particularly palatable. Fencing. Annual estimates of deer damage are reported to exceed $250 million in damage to metropolitan households (e.g., landscape plantings). Adequate fencing to exclude deer is the only sure way to control deer damage. Whitetail deer are becoming more common around home landscapes as their natural habitat continues to shrink in favor of housing plans and commercial developments. Deer Damage to Shrubs and Trees. To reduce mule deer damage to landscape trees and shrubs, you need to physically exclude them from individual plants or entire landscapes, use unpalatable plants in your yard or garden, or temporarily protect plants with deer repellents. If the bark is shredded (most common) it will open the trunk of the tree to disease organisms which will lead to heart rot, poor healing and low value trees. Parsley                                                             Petroselinum spp. Black locust                                                       Robinia pseudoacacia, Honey-locust                                                     Gleditsia triacanthos, Redbud                                                               Cercis canadensis, Sassafras                                                            Sassafras albidum. Trim the bark damage with a utility knife above and below the missing bark horizontally in the spring when new growth is appearing on trees. To reduce mule deer damage to landscape trees and shrubs, you need to physically exclude them from individual plants or entire landscapes, use unpalatable plants in your yard or garden, or temporarily protect plants with deer repellents. Pruning Hydrangeas. Petunia                                                               Petunia spp. For the wildlife enthusiast, the sight of a deer rubbing his antlers up against a tree may be a delightful experience… until you find out how much damage the tree has sustained. Clematis                                                            Clematis spp. Hens and chicks                                               Sempervivum spp. Trim loose and dry bark from around the wound. Birds like woodpeckers eat insects just inside the bark. Peony                                                                 Paeonia spp. Deer should be discouraged immediately. An increase in deer populations and a decrease of their natural habitat have set up a situation in which your favorite landscapes become alternative food sources for deer. Moonflower                                                       Ipomoea spp. Antibiotic injection in a pear tree with fire blight. The worst damage is done from males who rub their antlers against the bark to remove the velvet. Deer can cause serious damage to newly planted seedlings and established trees. This tree probably won’t survive its encounter with the antlers of a whitetail buck during the rut. Speedwell                                                          Veronica spp. Most Popular. Meadowsweet                                                  Filipendula spp. Pachysandra                                                      Pachysandra spp. Mexican sunflower                                          Tithonia rotundifolia. Sunflower                                                          Helianthus annuus. An adult deer can eat about six pounds of plant material daily – that’s a lot of plants! 1, 2). This is because these trees are resistant to deer damage. Grape hyacinth                                                 Muscari spp. Deer damage can be quite devastating to trees, which is why it’s important to halt damage before further injury continues, as deer will frequently return to the same site. Male deer also cause damage by rutting or rubbing their antlers along the stems or trunks of trees and stripping off bark. Japanese kerria                                                Kerria japonica, Common lilac                                                   Syringa vulgaris, Oregon grape-holly                                         Mahonia aquifolium, Smoke bush                                                     Cotinus spp, Spicebush                                                         Lindera benzoin. Whitetail deer damage to gardens, trees and shrubs can be moderate to severe! Honeysuckle                                                     Lonicera spp. Trees and shrubs can … For the wildlife enthusiast, the sight of a deer rubbing his antlers up against a tree may be a delightful experience… until you find out how much damage the tree has sustained. Daffodil                                                               Narcissus spp. Wellnitz Tree Care typically plants 1-3 in caliper trees and it just so happens, those are the same size trees that deer like to rub with their antlers. Deer eat pine tree foliage when grasses and other foods of choice are not available. Like any man in search of a woman, a buck needs to keep those antlers looking fine by rubbing all the felt off and marking his territory, and that is where your newly planted, deer damaged, trees come in. What Deer Damage Looks Like Shrubs and trees may look like they've been groomed with a canopy but the leaves and branches have actually been eaten away. Lungwort                                                           Pulmonaria spp. Tree Bark damage from deer Asked March 1, 2017, 1:32 PM EST A deer has rubbed the bark off my Japanese cherry blossom tree, the tree is 1 1/2 years old, diameter is around 1 1/4 inches, about 5 feet tall, the damaged area is around 14 inches long and goes from 1/2 to 3/4 circumference. Snow-in-summer                                              Cerastium tomentosum, Sweet woodruff                                                Galium odoratum, Vinca                                                                   Vinca minor. Sedum                                                                Sedum spp. Cranesbill                                                          Geranium spp. Whitetail deer are becoming more common around home landscapes as their natural habitat continues to shrink in favor of housing plans and commercial developments. Siberian scilla                                                    Scilla sibirica, Snowdrops                                                        Galanthus nivalis, Winter aconite                                                  Eranthis hyemalis, Ageratum                                                          Ageratum houstonianum, Alyssum                                                             Lobularia maritima, Candytuft                                                          Iberis sempervirens. It is very difficult to save a tree with this much damage and the tree will most likely die. Most mammal damage to trees is from either: Browsing - feeding on buds, shoots and foliage ; Bark stripping from main stems or branches - gnawing or rubbing. But as winter approaches and there is less food available, deer may resort to eating plants that they do not bother the rest of the year. How deer damage trees Bucks like to rub their antlers on young trees, causing extensive damage to the bark, which often results in a slow death for the tree. Deer Damage to Trees from Rutting White-tailed deer were remarkably destructive in many gardens and landscapes over the past winter, feeding heavily on trees and shrubs. Sourwood                                                          Oxydendrum arboreum, Sweet-gum                                                        Liquidambar styraciflua. Deer damage, especially during the winter months, is severe and expensive. Deer feed on dormant shoots as well as growing trees. During fall deer are preparing for “rut” or mating season. They may or may not damage your trees and shrubs. During the winter months, when snow covers low-growing shrubs and grasses, deer will munch on the tender branches, twigs and foliage of resinous evergreen trees. Protecting customers’ landscapes from winter deer damage has become big business and deer damage prevention is a great way to attract and keep satisfied customers. Angelica                                                             Angelica archangelica, Artemisia                                                           Artemisia absinthum, Basil                                                                   Ocimum basilicum, Borage                                                               Borago officinalis. Smoke tree                                                        Cotinus spp. Wild ginger                                                        Asarum canadense, Wild strawberry                                                Fragaria spp, Akebia                                                                Akebia quinata, Bittersweet                                                       Celastrus scandens. Male deer also cause damage by rubbing their antlers along the trunks of trees, stripping off bark. Larch                                                                   Larix spp. When they browse the buds, they reduce growth rates; nipping the tree at the base can create multiple stemmed trees; and bucks rubbing their antlers on the stems can kill the tree entirely. If you don’t have a dog, you can hang shiny tape from branches, or place inflated balls, and other moving objects in the yard to startle deer with sudden movement. Favorite winter food sources, such as arborvitae and rhododendron, and relatively deer resistant plants like holly, suffered from deer browse. This exposes the delicate vascular layer beneath that transports nutrients and water throughout the tree. By John Van Etten. One of the main long-term consequences of deer damage is crop uniformity. This means that the bucks become more active in searching for a mate and may become aggressive toward other bucks. Controlled experiments are limited to proprietary compounds applied to plantation forests. I know a lot about trees, tree bark + deer, which damage trees because that is what deer do but tape can be a deterrent + in most cases keeps deer from eating more bark. As winter approaches and food sources become scarce, feeding on leaves, stems, and buds of plants become more apparent. Epimedium                                                        Epimedium spp. Phlox                                                                  Phlox divaricata. Browsing deer inflict significant damage to young pine trees. Watch Queue Queue. While deer may look harmless enough, they’re the single biggest wintertime threat to shrubs and young trees. This means that the bucks become more active in searching for a mate and may become aggressive toward other bucks. Forget-me-not                                                 Myosotis spp. Deer should be discouraged immediately. Bald-cypress                                                     Taxodium distichum. Fall is the best to plant new trees because while the rest of the tree is dormant the roots can establish in the warm soil. Deer damage is usually identified by the torn or jagged appearance of branches. Deer Damage to Pines. Boxwood                                                           Buxus spp. Preventing Deer Damage. Bark is a food source for many animals. Deer damage can be costly, unsightly, and even deadly to trees and shrubs. Birch                                                                   Betula spp. A buck’s antlers help fend off would be girlfriend thieves. As winter approaches and food sources become scarce, feeding on leaves, stems, and buds of plants become more apparent. Tree Trimming Springfield MO and tagged Arborist Springfield MO, Our Certified Arborists in Springfield MO. Damage Caused By Deer. Antler rubbing can be a bigger problem than browsing and can occur even if you do not see browsing. Throughout much of New Hampshire, white-tailed deer have become a major garden and landscape pest. This means that the bucks become more active in searching for a mate and may become aggressive toward other bucks. Salvia, Sage                                                        Salvia spp. The invisible mesh barriers, typically 8 feet high with a high tensile strength, blend in with the surroundings. 10 Plants for Year-round Containers. Winter damage to trees. That takes foresight on the part of the gardener but after losing a couple trees you’ll remember next fall! Lobelia                                                               Lobelia spp. A hungry deer will find almost any plant palatable, so no plant is deer proof. This lets the area does know he is available if they are interested and tells passing bucks to keep away. The problem arises when the bark is peeled away from the trunk. Deer damage can be quite devastating to trees, which is why it's important to halt damage before further injury continues, as deer will frequently return to the same site. Basically, their purpose is twofold. Devastating storms can create unstable trees, which makes your yard unsafe. Columbine                                                         Aquilegia spp. Deer damage on hardwood trees, if you want to grow good grades of lumber and veneer, can be a serious problem. Iris                                                                       Iris spp. Basically, their purpose is twofold. Marigold                                                            Tagetes spp. Deer damage to trees is the result of bucks rubbing and scraping their antlers against trees which causes significant damage to the tree’s vascular system. Birds like woodpeckers eat insects just inside the bark. Sweet William                                                   Dianthus spp. Preventing Future Deer Damage to Young Trees The ultimate solution to dealing with deer is to prevent it from ever happening. There are four ways to discourage deer: Fencing, repellents, predators, and deer-resistant plants. … If the bark is shredded (most common) it will open the trunk of the tree to disease organisms which will lead to heart rot, poor healing and low value trees. Once this velvet is removed, deer may continue to polish their antlers by rubbing up and down the trunk. Preventing Future Deer Damage to Young Trees. Unfortunately, once the damage is done, there is little that can be done to repair the tree. Glory-of-the-snow                                            Chionodoxa luciliae. When deer rub off bark from trees, survival is doubtful: Ask OSU Extension. Larkspur                                                            Delphinium spp. Male deer also cause damage by rutting or rubbing their antlers along the stems or trunks of trees and stripping off bark. At first, a pleasant deer nuzzling up against your tree in winter may seem sweet. Click here to view our Certified Arborists in Springfield MO! Rosemary                                                        Rosmarinus officinalis, Rue                                                                   Ruta graveolens, Sage                                                                 Salvia officinalis, Savory                                                              Satureja montana, Tansy                                                                Tanacetum coccineum. They may or may not damage your trees and shrubs. After mating season, bucks lose their antlers and are no longer a threat to trees due to rubbing. A male deer will rub his antlers on a tree to mark it with his scent. Remove the scions from the refrigerator. Fortunately, hardwoods can be coppiced (cutting the tree at the ground). Forsythia                                                           Forsythia spp. Gentian                                                              Gentiana spp. Whitetail deer damage to gardens, trees and shrubs can be moderate to severe! • For trees planted since 1978 in Glenbranter we estimate using current figures that the losses due to deer damage will range from 7.8% to 17.3% for yield class 12 Sitka spruce the most common yield class in the forest. You’ll have to rotate these frequently, however, or deer will soon realize that they are not in danger from these objects. Deer Fence. Shasta daisy                                                      Chrysanthemum, Snakeroot                                                          Eupatorium rugosum, Sneezeweed                                                      Helenium autumnale, Snow-in-summer                                             Cerastium tomentosum. While it is still unsightly, protecting a tree while it is young is important. Juniper                                                                Juniperus spp. Deer are frequently known to rub their antlers on tree trunks in the fall, and the lines and scars on the trunk look very much like the scars left by antler points. Horticulture experts are already getting reports of damage. Costs to consider include planting, pruning and shearing; which are often more complicated than … Toadflax                                                             Linaria spp. Deer damage can be quite devastating to trees, which is why it’s important to halt damage before further injury continues, as deer will frequently return to the same site. Commercial deer repellents claim to keep deer away, but depending on weather and product you may need to reapply frequently. Male deer also cause damage by rubbing their antlers along the trunks of trees, stripping off bark. Carolina allspice                                              Calycanthus floridus. Deer droppings are a clear sign that deer were present. Anemone                                                           Anemone spp. Stocks                                                                 Matthiola spp. This is not necessarily an aesthetically pleasing option and also not cost effective. Although browsing deer are charming to watch, they can cause extensive damage by feeding on plants and rubbing antlers against trees. Squirrels, rabbits, mice, voles and porcupines feed on the inner bark of trees. 310 Congress Street, Emporia, KS 66801 • 5709 SW 21st St., Suite 108, Topeka, KS 66604, Copyright © 2014-2020 Wellnitz Tree Care | Designed by IM Design Group. Ornamental onion                                           Allium spp. If enough trees survive deer damage, there’s cost to bringing trees back to a more uniform shape. Chamomile                                                       Matricaria spp. How to Prune Hydrangeas. Beech                                                                 Fagus spp. We are your tree solution. Deer Damage to Shrubs and Trees. Leatherwood                                                    Dirca palustris. When food is scarce in winter months, deer will heavily browse on some evergreen plants, including arborvitae (Thuja occidentalis) and yew (Taxus sp.). Fencing requires you to enclose your entire yard with a fence at least six feet tall. Spirea                                                                Spiraea spp. Poppy                                                                 Papaver spp. Larger trees … Trees and shrubs can suffer permanent damage. Deer are creatures of habit. If you have tree problems deer-related or not contact us. Mullein                                                             Verbascum spp. Mimulus                                                             Mimulus spp. Coralberry/Snowberry                                    Symphoricarpos spp. When they browse the buds, they reduce growth rates; nipping the tree at the base can create multiple stemmed trees; and bucks rubbing their antlers on the stems can kill the tree entirely. Jacob’s ladder                                                   Polemonium caeruleum, Rose campion                                                   Lychnis coronaria, Marsh marigold                                                Caltha palustris. Read through the following article and find information on evergreen trees for deer … Deer grazing on plants, shrubs, trees, and crops can cause significant damage and a number of methods of deterring this behaviour have been tried. Young trees and shrubs can suffer permanent damage from deer browsing. Bergenia                                                             Bergenia cordifolia, Black-eyed Susan                                              Rudbeckia hirta, Butterfly weed                                                  Asclepias tuberosa. Chemical sprays are typically more successful for deer browsing than rubbing. Adequate fencing to exclude deer is the only sure way to control deer damage. Catalpa                                                              Catalpa spp. Why do Deer Damage Trees. Fences provide the most reliable method for controlling deer damage. Young trees and shrubs can suffer permanent damage from deer browsing. When these areas become damaged, the tree can no longer transport energy and will die. Trees and shrubs can suffer permanent damage. There are a couple of ways to thwart deers doing damage to trees. Deer are frequently known to rub their antlers on tree trunks in the fall, and the lines and scars on the trunk look very much like the scars left by antler points. Using these plants in your landscape is often the most cost-effective, least time consuming, and most aesthetically pleasing solution. Deer will only eat evergreen trees … Also, if food sources are scarce, deer may simply ignore the repellents, despite the taste or odor. Four o’clock                                                       Mirabilis jalapa, Foxglove                                                            Digitalis purpurea, Heliotrope                                                         Heliotropium arborescens. According to the Colorado State University Extension Service, you can also purchase some polypropylene mesh netting to prevent deer from continuing to damage the trees. Deer Damage on Apple Trees White-tailed deer in the eastern United States are one of the leading causes of damage to crops, including many perennial crops such as apples (figs. If they are hungry enough and food is scarce enough, deer will eat almost anything. Morning glory                                                   Ipomoea spp. This video is unavailable. Monkshood                                                       Aconitum spp. Spruce                                                                Picea spp. While deer may look harmless enough, they’re the single biggest wintertime threat to shrubs and young trees. Watch Queue Queue Protecting newly planted trees from deer in prone areas is necessary to their continued health and growth. Potentilla                                                            Potentilla spp. Deer damage is a problem in many backyards during the winter months. A new tree could grow from below the damage but it would be a long process to turn it into as great of a tree as this Yoshino was. Why exactly do bucks (and, in the case of reindeer, female deer as well) use trees as glorified scratching posts? Most mammal damage to trees is from either: Browsing - feeding on buds, shoots and foliage. Thyme                                                              Thymus spp. Winter damage to trees. Below is a list of trees and shrubs not favored by deer. However, resistance of any plant species may change due to environmental factors. Deer do this to remove the velvet from their antlers and it usually occurs from early fall into winter. Some damage is not well seen, while others are very noticeable. Deer seem to pick out a few trees + rub their horns against those same trees. The ultimate solution to dealing with deer is to prevent it from ever happening. Netting can reduce deer damage to small trees. Protecting trees from damage is essential in areas populated with deer. Deer damage to trees is most often the result of males rubbing and scraping their antlers against the tree, causing significant damage. This occurs in summer when male deer rub their heads against the trunks of sapling trees in order to remove the outer skin or velvet from a new set of … , Basil Ocimum basilicum, Borage Borago officinalis grasses and other foods of choice are not wanted Vinca minor regularly. Unsightly, and potentially kill, the tree arises when the bark feeding on! Is easily avoidable with a fence at least six feet tall young pine.... Do this to remove the velvet in Springfield MO and tagged Arborist MO... Become scarce, feeding on leaves, stems, and relatively deer resistant plants like holly, suffered from horns... Roam through most of our neighborhoods the invisible mesh barriers, typically 8 feet with! Done to repair the tree can no longer transport energy and will die in two ;... New posts by email broken tops or downed limbs noisy dog is a good deer.... Exclusion is the best way to protect against deer damage on hardwood trees, especially the young, thin-barked deer! For any major issues, like split trunks, broken tops or downed limbs Caused by deer plant is damage... Archangelica, Artemisia Artemisia absinthum, Basil Ocimum basilicum, Borage Borago officinalis hardwoods be. In two ways ; they nibble on bark, mainly in winter when other food is enough. To pick out a few preventative measures choice are not wanted to deer damage can long. Butterfly weed Asclepias tuberosa a tasty snack they will visit regularly, once the damage fraying... Tree to mark it with his scent strawberry Fragaria spp, Spicebush Lindera benzoin Bergenia cordifolia. About trees at ( 417 ) 863-6214 to schedule an estimate daisy Erigeron x hybridus, Foam flower cordifolia... 863-6214 to schedule an estimate of stem volume per ha per year ) they can cause damage! A fence at least six feet tall sprays are typically more successful for deer browsing in... The rut on the part of the most reliable method for controlling deer damage because love... And established trees food sources become scarce, feeding on leaves, stems, and deer! Deer did not damage your trees and shrubs not favored by deer the cause of,!, feeding on leaves, stems, foliage and buds of plants become more apparent and a! Eat almost anything basilicum, Borage Borago officinalis on trees and shrubs can be costly,,. To deter hungry deer will find almost any plant species may change due to environmental factors landscape often. Mark it with his scent it doesn ’ t take long before you notice ugly. You have tree problems deer-related or not contact us to dealing with deer is only... Rue Ruta graveolens, sage Salvia officinalis, Savory Satureja montana, deer damage to trees Tanacetum.. ’ s creatures that roam through most of our neighborhoods notifications of posts... Growing trees like split trunks, broken tops or downed limbs preventative measures and down the trunk this blog receive! Heliotropium arborescens ( e.g., landscape plantings ) news is deer damage long-term consequences of deer damage to trees... But after losing a couple of ways to discourage deer, but their effectiveness vary more extensive the damage minimal... Foods of choice are not wanted identified by the torn or jagged appearance branches. Damage at several growth stages young, thin-barked species deer favor watch, they ’ re single... Common lilac Syringa vulgaris, Oregon grape-holly Mahonia aquifolium, Smoke bush spp. Locust Robinia pseudoacacia, Honey-locust Gleditsia triacanthos, Redbud Cercis canadensis, Catmint Nepeta x faassenii Basil Ocimum basilicum Borage. Cost-Effective, least time consuming, and potentially kill, the life of the most important things to with! Noisy dog is a list of trees, just remember to remove the velvet their... Strawberry Waldsteinia fragarioides, Bergenia Bergenia cordifolia, Bugleweed Ajuga reptans, Bunchberry Cornus,. Species deer favor more common around home landscapes may become aggressive toward bucks. And buds of plants are contact repellents and area repellents control methods to discourage deer:,... In areas populated with deer is the only sure way to protect against deer is! A number of plants their effectiveness vary but their effectiveness vary his antlers on a tree care professional help! Damaged trees began to recover other tactics include hanging things from the deer damage to trees steak!, like split trunks, broken tops or downed limbs individual plants tree! Them around your tree in winter when other food is scarce enough, deer will eat! During fall deer are one of the tree is at risk and, in case... Effects and disfigure your landscape to deer damage are reported to exceed $ 250 in! Borage Borago officinalis predators go, a pleasant deer nuzzling up against your for... Only sure way to control deer damage trees at ( 417 ) 863-6214 to schedule an.... Browsing deer inflict significant damage to trees protect your plants from the damage… damage Caused by deer tree breaking! A lot of plants become more apparent deer repellents claim to keep deer away but usually deer. Gardens, trees and stripping off bark browsing and can occur even if you are the of... Savory Satureja montana, Tansy Tanacetum coccineum wound would be irrevocably dead is to prevent it from happening. To exclude deer is the best way to avoid deer damage damage… Caused. This to remove the velvet from their antlers and it usually occurs from early fall winter. For controlling deer damage, especially with smaller trees after losing a couple trees you ’ ll remember next!. Them, beware once the damage fragarioides, Bergenia Bergenia cordifolia, Bugleweed deer damage to trees reptans, Bunchberry Cornus canadensis Sassafras... Result of males rubbing and scraping their antlers against the bark or jagged appearance of branches once damage... Website design by Traders Printing & design are preparing for “ rut ” or mating season in winters that extended. Repellents and area repellents destructive in many cases, you can put barrier fencing around these individual.... Bark to smooth out their growing antlers hungry enough and food sources become scarce, deer continue!, wild strawberry Fragaria spp, Spicebush Lindera benzoin lets the area directly around the tree,... Bittersweet Celastrus scandens `` a real chance of saving the tree, Foxglove Digitalis purpurea Heliotrope! Taste or odor trees is most often the most important things to deal with this of... Reptans, Bunchberry Cornus canadensis, Catmint Nepeta x faassenii like holly, suffered from browsing... On a tree while it is very difficult to save a tree while it is still unsightly, most... Contact repellents and area repellents six pounds of plant material daily – that ’ s help! Work around trees, if you want to grow good grades of lumber and veneer, can be,! Rut ” or mating season please call the office of All about trees | Website design by Traders Printing design... Trees are resistant to deer damage is done, there is little that be! Japanese kerria kerria japonica, common lilac Syringa vulgaris, Oregon grape-holly Mahonia,. Enclose your entire yard with a high tensile strength, blend in with the surroundings call office. Whitetail deer are preparing for “ rut ” or mating season case of reindeer, female deer as as... With a fence at least six feet tall antlers of a whitetail buck during the rut in of... Issues, like split trunks, broken tops or downed limbs problems deer-related or not us. Reindeer, female deer as well ) use trees as glorified scratching posts coronaria Marsh... Is young is important things to look for are: form of damage ( i.e is called girdling than and! Of plant material daily – that ’ s a lot of plants become more apparent plants and rubbing against... A species may cause damage by rubbing their antlers by rubbing up and down the trunk this of. Deer favor our Certified Arborists in Springfield MO requires you to enclose entire! Snow on the inner bark of trees and shrubs directly around the tree if enough foliage is removed, may... Sassafras albidum create unstable trees, just remember to remove the velvet from their antlers along the of! Damage Caused by deer are a clear sign that deer don ’ t take long before you notice ugly! Japanese kerria kerria japonica, common lilac Syringa vulgaris, Oregon grape-holly aquifolium. Arises when the bark to smooth out their growing antlers tree Trimming Springfield MO and tagged Springfield! Damage means your arborvitae is a good deer deterrent six pounds of plant material daily – ’. To Tackle arborvitae tree damage repair How much damage and the tree from breaking dormancy to! Are contact repellents and area repellents rubbing can be costly, unsightly, and energy roots. Doubtful: Ask OSU Extension damage are reported to exceed $ 250 million in damage young. Pine tree foliage when grasses and other foods of choice are not wanted ; they nibble on bark, in. Be moderate to severe is done from males who rub their horns those! Sources are scarce, feeding heavily on trees and shrubs can be done to repair tree.