Top 10 Invasive Plants

In the last two posts (here and here) TheGardenLady explained the problem with invasive plants and how they came to the United States respectively.  In this post TheGardenLady will give a list of 10 of the invasive trees and shrubs in great parts of the US:

Tree of Heaven - Ailanthus altissima by maxi millipede (on flickr_
Tree of Heaven - Ailanthus altissima by maxi millipede

1. Tree of Heaven, Ailanthus altissima – This might be the tree in the fiction, “A Tree Grows in Brooklyn”

Japanese barnberry (Berberis thunbergii) by copepodo (on flickr)
Japanese barnberry (Berberis thunbergii) by copepodo (on flickr)

2. Japanese Barbery, Berberis thunbergii – landscapers love to sell this and plant this in your yard- be warned.

oriental bittersweet by ophis
oriental bittersweet by ophis

3. Asiatic Bittersweet, Celastrus orbiculatus – pretty in wreaths but don’t use it because when the berries spread, you are spreading this invasive.

Eleagnus umbellata_fruit.jpg by meghan.mcginty
Eleagnus umbellata_fruit.jpg by meghan.mcginty

4. Autumn Olive, Eleagnus umbellata – smells pretty, but what a nuisance.

Japanese Knotweed a real problem plant by arrowlakelass
Japanese Knotweed a real problem plant by arrowlakelass

5. Japanese knotweed, Polygonum cuspidatum – brought in as an ornament for screening and soil erosion.  Horrible.

brwyn, cyrs - Phragmites australis by Gwylan
brwyn, cyrs - Phragmites australis by Gwylan

6. Common Reed, Phragmites australis – This one may have come accidentally aboard a ship. It is now invasive in all but one state and is clogging up waterways.

Ampelopsis brevipedunculata, 蛇葡萄 sheputao, Porcelain-berry by pancrat
Ampelopsis brevipedunculata, 蛇葡萄 sheputao, Porcelain-berry by pancrat

7. Porcelain berry, Ampelopsis brevipedunculata – This plant is still sold by nurseries. Don’t buy it especially if you live in the eastern half of the US.

Lonicera japonica - Japanese Honeysuckle by mondomuse
Lonicera japonica - Japanese Honeysuckle by mondomuse

8. Japanese Honeysuckle Lonicera japonica, Tartarian Honeysuckle Lonicera tatarica and Amur Honeysuckle Lonicera maackii – 3 types of honeysuckle have become invasive.

 Pueraria montana var. lobata - Kudzu by johnstonephotos 	 Pueraria montana var. lobata - Kudzu by johnstonephotos
Pueraria montana var. lobata - Kudzu by johnstonephotos

9. Kudzu Vine, Pueraria montana var. lobata – This vine was brought to this country as an ornamental plant and as a forage crop and became so invasive- it has covered have the country.

Infiorescenza dell Acer platanoides.....Norway maple flowers by Sante.boschianpest
Infiorescenza dell' Acer platanoides.....Norway maple flowers by Sante.boschianpest

10. Norway Maple, Acer platanoides – This handsome tree was used for
landscaping. DON’T plant it. Nothing can grow under It.

Leave a Reply

Your email address will not be published. Required fields are marked *

16 + five =

This site uses Akismet to reduce spam. Learn how your comment data is processed.