Invasive Plants

Japanese Barberry: An Exotic Invasive Plant Fact Sheet

November 14, 2012

in Invasive Plants

by Bruce Wenning

Common Name: Japanese barberry

Plant Taxonomy: Family Berberidaceae. Genus Berberis. Species: Berberis thunbergii DC. (for C.P. Thunberg). (Magee and Ahles, 2007).

Regulations: The importation, distribution, trade, and sale of Japanese barberry have been banned in Massachusetts effective January 1, 2009 (Massachusetts Prohibited Plant List website, 2012).

General Description: Japanese barberry is an exotic invasive shrub that is well established in home and commercial landscapes. Ward and Williams (2011) report that this species is established in 31 states and four Canadian provinces. A popular ornamental deciduous shrub it ranges in size from three to seven or more feet in height (Johnson, 1996; Whitcomb, 1985). Shrubs that have not been pruned have a compact, dense form which is typically more broad than tall at maturity (Zouhar, 2008). Japanese barberry exhibits a high ornamental value plus it responds very well to pruning which is why landscape designers fell in love with this plant years ago. [click to continue…]

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Lessons of GROVE

July 16, 2012

in Invasive Plants

by Louise Barteau Chodoff

GROVE is located in Carpenter Woods, a birding park in Philadelphia. It is a small scale restoration project that evolved from an art project that began with paper trees and ended with real trees. There may be no better way to learn about plants – native and non-native – than to try to transform a mature Japanese knotweed stand into a native oak grove using little more than art and hand tools. [click to continue…]

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Creative Uses for Invasive Plants

July 16, 2012

The positive results of removing invasive plants are often evident in the return of native species to the area. But what happens to the plant material that has been removed? Does it have to be destined for the incinerator or landfill? Apparently not: artists and others are finding responsible ways to utilize the invasive plant [...]

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S.W.E.E.T. – Sudbury’s Homegrown Invasives Effort

July 16, 2012

by Rebecca Chizzo The Sudbury Weed Education and Eradication Team (S.W.E.E.T.) was established in August 2009 to make people aware of the harm that invasive plant species do to our historic and environmentally sensitive natural areas and parks. A second goal of the organization was to encourage responsible removal of invasive plants. Along with area [...]

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Multiflora Rose: An Exotic Invasive Plant Fact Sheet

July 16, 2012

by Bruce Wenning Common Name: Multiflora rose Plant Taxonomy: Family Rosaceae. Genus Rosa. Species: Rosa multiflora Thunb. ex Murr. (many-flowered). Regulations: The importation, distribution, trade, and sale of multiflora rose have been banned in Massachusetts effective January 1, 2009 (Massachusetts Prohibited Plant List website, 2012). General Description: Multiflora rose is an exotic invasive perennial shrub [...]

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Timing Control of Invasive Woody Plants

July 16, 2012

A Guide to Flowering and Fruiting Times of Common Exotic Invasive Woody Plants in Eastern Massachusetts Compiled by Bruce Wenning Note: For exotic invasive plant infestations, control efforts are maximized just before the plant goes into the fruiting stage. Recognizing the specific biology of the exotic species you are trying to control will help you [...]

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Winged Euonymus: An Exotic Invasive Plant Fact Sheet

April 13, 2012

by Bruce Wenning Winged Euonymus Common Names: winged euonymus; burning bush; winged burning bush; winged spindle-tree. Plant Taxonomy: Family Celastraceae. Genus Euonymous. Species Euonymus alatus (Thunb.) Sieb. Regulations: The importation, distribution, trade, and sale of winged euonymus have been banned in Massachusetts effective January 1, 2009 (Massachusetts Prohibited Plant List website, 2012). General Description: Winged [...]

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Exhibitor Profile: HerbaNatur Controls Weeds Naturally

February 13, 2012

A water-soluble herbicide that’s safe for humans, safe for pets and wildlife, and kills targeted plants in one application? Is this an ecological gardener’s dream come true? Visit HerbaNatur at Booth #313 in ELA’s Eco-Marketplace on March 8th to find out and to learn more about the company and its products.

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Asiatic Bittersweet Vine: An Exotic Invasive Plant Fact Sheet

February 13, 2012

by Bruce Wenning Asiatic Bittersweet Vine Common Names: Asiatic bittersweet vine; Oriental bittersweet vine; Chinese bittersweet vine. Plant Taxonomy: Family Celastraceae. Genus Celastrus. Species Celastrus orbiculatus Thunb. Regulations: The importation, distribution, trade, and sale of Asiatic bittersweet vine have been banned in Massachusetts effective January 1, 2009 (Massachusetts Prohibited Plant List website, 2012). General Description: [...]

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Resource-based Invasive Plant Management

January 16, 2012

by Julie Richburg As regional ecologist for The Trustees of Reservations, I work with my colleagues to ensure that the natural resources of our properties (including rare species) are protected from threats such as erosion, non-native invasive plants, and inappropriate use. With more than 40 properties within my region totaling nearly 10,000 acres, we must [...]

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