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Invasive Plants - Know Them, Don't Grow Them |
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Here are 20 offenders of invasive plants: for a complete list visit www.newenglandwildflower.org
| INVASIVE COMMON NAME |
INVASIVE BOTANICAL NAME |
SUBSTITUTE PLANT |
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Norway maple
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Acer platanoides
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Red maple, Sugar maple
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Bishop’s weed
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Aegopodium podagraria
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Garlic mustard
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Alliaria petiolata
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Japanese barberry
Many cultivars of this invasive species have dark red foliage. Red berries in October and winter are eaten by birds, contributing to its spread. Used as a hedge or barrier. Tolerant of drought and urban conditions
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Berberis thunbergii
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Bayberry – Myrica pensylvanica, Virginia sweetspire (Itea vifginica, Highbush blueberry – Vaccinium corymbosum, Chokeberry – Aronia arbutifolia, Winterberry – Ilex verticillata
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Oriental bittersweet
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Celastrus orbiculatus
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Swallowworts
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Cynanchum nigrum and C. rossicum
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Autumn olive – This invasive plant was originally planted for its silvery-white, fragrant flowers, drought tolerance and ability to grow under low fertility. Its abundant red fruit in September – October is eaten by birds, contributing to its undesirable spread into natural habitats.
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Elaeagnus umbellata
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Bayberry – Myrica pensylvanica (Morella pensylvanica), Winterberry – Ilex verticillata, Fothergilla (Fothergilla gardenia, F. major – Choke berry – Aronia arbutifolia
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Burning bush
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Euonymus alatus
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Bayberry, Summersweet (Sweet pepper bush) – Clethra alnifolia, Highbush blueberry, Chokeberry, Fothergilla (large or small)
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Glossy buckthorn
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Frangula alnus
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Yellow flag iris
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Iris pseudacorus
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Blunt – leaved privet
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Ligustrum obtusifolium
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Shrub-like honeysuckles
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Lonicera morrowii, L. x bella, L. maackii, L. tatarica
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Japanese honeysuckle
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Lonicera japonica
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Purple loosestrife
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Lythrum salicaria
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Beebalm – Monarda dydyma, Joe-pye weed – Eupatorium dubium – Purple coneflower – Echinacea purpurea, Swamp milkweed – Asclepias incarnata, Blue giant hyssop – Agastache foeniculum
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Water-milfoils
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Myriophyllum, aquaticum, M. heterophyllum, M. spicatum
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Common reed
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Phragmites australis
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Japanese knotweed
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Polygonum cuspidatum (Fallopia japonica)
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Common buckthorn
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Rhamnus cathartica
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Multiflora rose
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Rosa multiflora
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Water chestnut
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Trapa natans
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