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Newton Conservators is pleased to present its first ever online webinar series. In past years, we welcomed you to fall walks in Newton’s open spaces. With continuing concerns for social

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Tree of Heaven

Identification A fast growing tree that can reach 80′ – 100′ tall, often found at woodland edges or openings and urban alleyways where it grows to get sun – it

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Porcelain Berry

Identification Vine with grape-like leaves; behaves like the bittersweet vine in that it climbs aggressively into trees and strangles them.  To distinguish from a native grape, look for the multi-colored

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Norway Maple

Identification Most of the older street rees in Newton are Norway Maples; the prolific seeds have escaped into woods and unmanaged areas. Snap a leaf stem (petiole) off and look

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Multiflora Rose

Identification Long arching canes with scratchy large thorns that bend backwards. Groups of flowers (i.e. multi-flora), white to white-pink, forming multi fruits or rose hips. The compound leaves are alternate

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Lesser Celandine (Ranunculus ficaria)

Identification A spring ephemeral, perennial and aggressive ground cover.  Yellow spring flowers have 8 petals.  Glossy leaves.  It forms dense spreading masses, through underground bulblets/tubers. It must not be confused

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Japanese Knotweed

Identification Bamboo-like jungle forming with green hollow vertical stems with purplish joints. Characteristics Spreads from the “knots” or underground rhizomes and root systems, also by seed, also dispersed by floods

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Goutweed (Aegopodium)

Identification Also called Bishopsweed, this is a perennial herb groundcover from Europe and Asia, spreading by underground rhizomes.  Forms lush carpets of 1′ tall green.  In summer puts up 3′

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Glossy Buckthorn

Identification Deciduous shrub or small tree. Leaves simple, oval with point, 10-12 pairs of veins parallel to each other. Bark gray with yellowish spotted lenticils. Scratched twig has yellow layer

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Common Buckthorn

Identification Small tree or shrub, with oval slightly toothed leaves. Leaf has 3-5 pairs of veins that curve to be parallel to the edge of the leaf. The bark is

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Black Swallow-wort

Identification Black Swallow-wort is a perennial vine from Europe that emerges in June.   It has somewhat glossy, opposite leaves (i.e. the leaves are in pairs exactly opposite to each

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Barberry (Berberis thunbergii, Berberis vulgaris)

Identification Both Japanese barberry and common barberry (from Europe) are escapees from gardens, where they have become well established even though no longer for sale.  Long arching canes of small

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