Tall Green Milkweed (Asclepias hirtella)

Tall Green Milkweed (Asclepias hirtella)

Asclepias hirtella, is the scientific name for the native plant commonly called Tall Green Milkweed, which is a species of flowering plant in the Milkweed genus and member of the Dogbane family, scientificly listed as (Apocynaceae).

Tall Green Milkweed is endemic to both Canada and the United States, where its range is mostly concentrated in the Midwest and Upper South.

Asclepias hirtella is a striking, and tall perennial plant, reaching 4 feet in height. It has many narrow, linear leaves that are produced alternately on the stem. Its flowers in lateral umbels with slender peduncles.

A profuse bloomer, each stem can have 2 to 10 umbels and each umbel may have 30 to 100 flowers. The flowers lack horns and are greenish to slightly purplish in color. As with most Milkweed plants Tall Green Milkweed flowers June through August, and plays host to the Monarch Butterfly.

Asclepias hirtella can be found in a variety of open habitats, including areas with dry sandy soil, such as prairies and limestone glades, it can be found enjoying both wet and dry conditions, and it shows a preference for open habitats with full sun, but can tolerate light, partial shade.

This species is often a well integrated component of high-quality grassland communities, although it can be found in and disturbed conditions as well. Spreading primarily by seed, this milkweed develops a deep taproot, rather than rhizomes. For this reason it is considered to be uncommon or rare throughout much of its range.

This plant is present but considered rare in several counties of the states (listed in order of most counties where it is rare) Wisconsin, Michigan, Louisiana, Kentucky, West Virginia, Mississippi, Alabama, and Georgia.

Plant Details

USDA Zones: 4-9

Germination Needs: 30 days Cold Stratification

Life Cycle: Perennial

Sun Exposure: Full to Partial

Soil Moisture: Medium-Wet, Medium, Medium-Dry, Dry

Plant Spacing: 1½ - 2 feet

Height: 4 feet

Bloom time: June, July, August

Bloom Color: White

Advantages :

Pollinator Favorite: butterflies, moths, bees, wasps, beetles

Bird Favorite: seeds, insects, fruit, nectar, nesting, perchs.

Deer Resistant: Yes

Native to : Wisconsin, Minnesota, Michigan, Iowa, Illinois, Indiana, Ohio, West Virginia, Kansas, Missouri, Kentucky, Oklahoma, Arkansas, Tennessee, Texas, Louisiana, Mississippi, Alabama, and Georgia.

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Packet quantities:

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