After the loss of habitat, the encroachment of non-native invasive plants is the greatest threat to our native plants and critters. One of the really nasty plant invaders is English ivy (Hedera helix).

Not long ago most garden books would name two primary ground covers for shade: English ivy and periwinkle (Vinca minor). But just as we have learned that many old health remedies are not really medically sound, old garden advice can be out of date. Far from recommending English ivy for your landscape, we now know that planting ivy is a huge mistake. In fact, some states have banned its sale.

The Georgia Exotic Plant Pest Council has designated English ivy as a Category One invasive: “An exotic plant that is a serious problem in Georgia natural areas by extensively invading native plant communities and displacing native species.”

The problem is that English ivy is too aggressive. Its spread is infinite, and it is very difficult to restrain or even to kill. It covers not only the floor of forests, out-competing and smothering native plants, but also covers the canopy level in the treetops. Ivy’s evergreen foliage covers a tree’s own foliage, restricting photosynthesis and causing the tree gradually to go into decline. The added weight of the ivy foliage can cause the tree to blow over in a windstorm. In addition, the evergreen foliage catches snow or ice, which can cause the weakened tree to come down during a winter storm.

These falling trees can severely damage homes and other property. Insurance claims for such damage may be denied if the homeowner is found responsible for allowing the tree to topple by not removing the ivy.

Ivy can cause other damage to your property as well. An ivy-clad house may look nostalgic, but ivy can seriously damage a structure, even pulling it down. When climbing a surface, the ivy produces root-like structures that exude a glue-like substance. The ivy’s roots move into cracks and crevices, making it difficult to remove and likely to cause permanent damage. Ivy has even been known to climb in windows — such as in my grandfather’s house!

While English ivy crawling over the ground does not bloom or produce seed, once it starts growing vertically on a surface, it will develop blooms and seeds that the birds carry great distances, thus spreading the infestation to additional natural areas.

If you are unfortunate enough to already have English ivy on your property, we recommend that you get rid of it. Pull up what you can and cut the rest back as far as possible. Apply a systemic herbicide such as triclopyr to the remaining ground-dwelling stems and foliage. Cut vines growing up a tree a short distance from the ground, and then apply triclopyr to the rooted portion of the stem. Be careful not to spray your tree bark. The herbicide is most effective if you apply it to the stump of the cut stem immediately after cutting it. You will probably need to make several herbicide applications over time to kill the ivy.

There are many lovely and well-behaved alternatives to English ivy as a ground cover for shade and also as a climbing vine. Your ground cover need not be composed of all one plant. In fact, your landscape will be healthier and less inviting to insect pests and diseases if you plant groupings of three or more plants each of multiple species over the area. Stay tuned for next week, when you can discover a number of excellent alternatives that will replace the arguably second-place “scourge that ate the South.” (Yes, the first claim goes to kudzu, but you knew that, right?)

Carolyn Puckett is one of many UGA Master Gardener Extension Volunteers of Cherokee County. For more information or questions contact the Cherokee County Extension Office at 770-721-7803 or for upcoming seminars follow us on Facebook at or on our website at


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