Invasives
Autumn Olive (Elaeagnus umbellata)
Autumn olive is a deciduous shrub that can grow to 20 ft. in height. The stems, buds and leaves have a dense covering of silvery to rusty scales. Leaves are alternate, egg or lance-shaped, smooth margined, dull green above and often with brown scales beneath. Autumn olive flowers in June…
Burning Bush (Euonymus alatus)
Overview: Deciduous shrub, regularly found in landscaped gardens. It has vibrant red fall foliage and showy bark Size: 22 feet tall and 12 feet wide Leaves: Opposite and elliptical in shape with toothed margins, and turn a brilliant scarlet in the fall Stem/Bark: Corky ridges form along the green twigs,…
Bush Honeysuckle (Lonucera maackii, Lonicera morrowii, Lonicera tatarica, Lonicera x bella)
Overview: Deciduous shrubs Size: 6-15 ft tall Leaves: 1-2 ½ inch, egg-shaped leaves are opposite along the stem and short-stalked Stem/Bark: Older stems are often hollow, unlike the native bush honeysuckles which are solid. Flowers: Pairs of fragrant, tubular flowers less than an inch long are borne along the stem…
Glossy Buckthorn (Frangula alnus)
Glossy buckthorn is a tall shrub or small tree reaching 20-25 feet in height and 10 inches in diameter. Most often it grows in a large shrub growth form, having a few to several stems from the base. The shrub has spreading, loosely-branched crowns. The leaves are thin, glossy, and…
Japanese Barberry (Berberis thunbergii)
Overview: Deciduous, thorny shrub. Dense in full sun but sparse in shade. Size: Typically 2 to 8 ft tall Leaves: Small (½ to 1 ½ inches long), oval to spatula-shaped, green, bluish-green, or dark reddish purple. Stem/Bark: Brown, deeply grooved, somewhat zigzag in form and bear a single very sharp…
Japanese Knotweed (Fallopia japonica)
Japanese knotweed is a tall herbaceous perennial that can grow to over 10 feet in height. As with all members of this family, the base of the stem above each joint is surrounded by a membranous sheath. The stems are smooth, stout and swollen at joints where the leaf meets…
Multiflora Rose (Rosa multiflora)
Overview: Thorny, perennial shrub with arching stems (canes) and extremely fragrant flowers. Size: Up to 15 ft tall Leaves: leaves divided into five to eleven sharply toothed leaflets. The base of each leaf stalk bears a pair of fringed bracts. Stem/Bark: Green to red arching canes which are round in…
Scotch broom (Cytisus scoparius)
Scotch broom is a perennial shrub with many angular branches. It has showy yellow flowers and is part of the pea family. It is native to Europe and was introduced to North America in the 1800s where is was widely planted on Cape Cod and the islands in the 1800s…
Wineberry (Rubus phoenicolasius Maxim.)
Wineberry is a deciduous shrub that grows up to 6 feet tall. The arching stems (canes), petioles, flowering stems, and buds have a dense covering of reddish, gland-tipped hairs and a few slender prickles. Leaves are alternate. Each leaf is made up of three leaflets; the terminal leaflet is much…