English Ivy: A “Dirty Dozen” Plant
Have you ever looked along a highway and observed all the trees covered in vegetation from trunk to branches? It was most likely English ivy (Hedera helix), the final of […]
Lewis Ginter Botanical Garden
Archives for the "chemical control" Category
Japanese Honeysuckle: A “Dirty Dozen” Plant
Our Dirty Dozen plant of the week is Japanese honeysuckle (Lonicera japonica). This ornamental vine is still widely available in the horticultural trade, even though it has invaded all of the […]
Tree-of-Heaven: A “Dirty Dozen” Plant
This week we are featuring tree-of-heaven (Ailanthus altissima) as our “Dirty Dozen” plant. While this tree may have been used in folk medicine or even as an insecticide, it is […]
Oriental Bittersweet: A “Dirty Dozen” Plant
This week’s Dirty Dozen plant is oriental bittersweet (Celastrus orbiculatus). Since it is still available in the horticultural trade, we hope that the following information will convince you not to […]
Porcelain Berry: A “Dirty Dozen” Plant
This week’s featured member of the “Dirty Dozen” is Ampelopsis glandulosa var. brevipedunculata, commonly known as porcelain berry or amur peppervine. Most horticulture staff agree that this is the most […]
Chinese Privet: A “Dirty Dozen” Plant
This week’s featured member of the “Dirty Dozen” is Chinese privet (Ligustrum sinense). Though several southern states, including Virginia, have recognized this plant in their invasive species lists or laws, […]