Eastern Poison Ivy Toxicodendron radicans

Detailed Listing For

Botanical Name:

Toxicodendron radicans

Family:

Anacardiaceae

Genus:

Toxicodendron

Species:

radicans

Common Name:

Eastern Poison Ivy

Height:

3-4 feet

Minimum Hardiness Zone:

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Toxicodendron radicans

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No Export to These Countries

Canada

Characteristics

Poisonous leaves

Growing Info, follow in order:

Scarification: Soak in hot tap water, let stand in water for 12 hours. If the seed fails to imbibe, boiling water may be required.

Stratification: cold stratify for 90 days.

Germination: sow seed 1/8" deep , tamp the soil, mulch the seed bed
.

In a Nutshell:

* Toxicodendron radicans, commonly known as eastern poison ivy or poison ivy, is a poisonous Asian and North Americanflowering plant that is well known for causing Urushiol-induced contact dermatitis, an itchy, irritating, and sometimes painful rash in most people who touch it.

* The deciduous leaves of T. radicans are trifoliate with three almond-shaped leaflets. Leaf color ranges from light green (usually the younger leaves) to dark green (mature leaves), turning bright red in fall, though other sources say leaves are reddish when expanding, turn green through maturity, then back to red, orange, or yellow in the fall. The leaflets of mature leaves are somewhat shiny.

* The berry-like fruit, a drupe, mature by August to November with a grayish-white colour. Fruits are a favorite winter food of some birds and other animals. Seeds are spread mainly by animals and remain viable after passing through the digestive tract.

* Toxicodendron radicans grows throughout much of North America, including the Canadian Maritime provinces, Quebec, Ontario, Manitoba, and all U.S. states east of the Rocky Mountains, as well as in the mountainous areas of Mexico up to around 1,500 m

* It may grow as a forest understory plant, although it is only somewhat shade-tolerant. The plant is extremely common in suburban and exurban areas of New England, the Mid-Atlantic, and the Southeastern United States.

* It is more common now than when Europeans first arrived in North America. The development of real estate adjacent to wild, undeveloped land has engendered "edge effects", enabling poison ivy to form vast, lush colonies in these areas. It is listed as a noxious weed in the US states of Minnesota and Michigan and in the Canadian province of Ontario.

* The following four characteristics are sufficient to identify poison ivy in most situations: (a) clusters of three leaflets, (b) alternateleaf arrangement, (c) lack of thorns, and (d) each group of three leaflets grows on its own stem, which connects to the main vine.

* People who are sensitive to poison ivy can also experience a similar rash from mangoes. Mangoes are in the same family (Anacardiaceae) as poison ivy, the sap of the mango tree and skin of mangoes has a chemical compound similar to urushiol. A related allergenic compound is present in the raw shells of cashews. more...

Wiki description:

[ edit ] Description Poison ivy vine with typical reddish "hairs" (like leaves, vines are extremely poisonous to humans) Ground-level poison ivy in Perrot State Park , Trempealeau County, Wisconsin The deciduous leaves of poison ivy are trifoliate with three almond -shaped leaflets . [ 1 ] Leaf colour ranges from light green (usually the younger leaves) to dark green (mature leaves), turning bright red in fall ; though other sources say leaves are reddish when expanding, turn green through maturity, then back to red, orange, or yellow in the fall. The leaflets of mature leaves are somewhat shiny. The leaflets are 3 to 12 cm (1.2 to 4.7 in) long, rarely up to 30 cm (12 in). Each leaflet has a few or no teeth along its edge, and the leaf surface is smooth. Leaflet clusters are alternate on the vine, and the plant has no thorns. Vines growing on the trunk of a tree become firmly attached through numerous aerial rootlets. [ 3 ] The vines develop adventitious roots , or the plant can spread from rhizomes or root crowns . The milky sap of poison ivy darkens after exposure to the air.Poison ivy spreads either vegetatively or sexually . Poison ivy is dioecious ; flowering occurs from May to July. The yellowish- or greenish-white flowers are typically inconspicuous and are located in clusters up to 8 cm (3.1 in) above the leaves. The berry-like fruit, a drupe , mature by August to November with a grayish-white colour. [ 1 ] Fruits are a favourite winter food of some birds and other animals. Seeds are spread mainly by animals and remain viable after passing through the digestive tract.

Usda description:

More info on http://plants.usda.gov

Usda description:

More info on http://plants.usda.gov

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