Photo by Melody

PlantFiles: Green Antelopehorn, Green Milkweed, Spider Milkweed
Asclepias viridis

Family: Apocynaceae (a-pos-ih-NAY-see-ee) (Info)
Genus: Asclepias (ass-KLE-pee-us) (Info)
Species: viridis (VEER-ih-diss) (Info)

Synonym:Acerates paniculata
Synonym:Anthanotis viridis
Synonym:Asclepias longipetala
Synonym:Gomphocarpus viridis
Synonym:Podostigma viridis

4 vendors have this plant for sale.

15 members have or want this plant for trade.


12-18 in. (30-45 cm)

24-36 in. (60-90 cm)

USDA Zone 5a: to -28.8 C (-20 F)

Sun Exposure:
Full Sun

All parts of plant are poisonous if ingested

Bloom Color:
Pale Green

Bloom Time:
Late Spring/Early Summer
Mid Summer


Other details:
This plant is attractive to bees, butterflies and/or birds
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:

Propagation Methods:
From seed; direct sow outdoors in fall

Seed Collecting:
Allow pods to dry on plant; break open to collect seeds

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By Jeff_Beck
Thumbnail #1 of Asclepias viridis by Jeff_Beck

By Jeff_Beck
Thumbnail #2 of Asclepias viridis by Jeff_Beck

By frostweed
Thumbnail #3 of Asclepias viridis by frostweed

By frostweed
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By Jeff_Beck
Thumbnail #5 of Asclepias viridis by Jeff_Beck

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Thumbnail #7 of Asclepias viridis by WUVIE

There are a total of 9 photos.
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1 positive
No neutrals
No negatives

Gardeners' Notes:

Positive frostweed On Oct 8, 2004, frostweed from Josephine, Arlington, TX (Zone 8a) wrote:

Green Milkweed could very well go unnoticed as you pass by. But if you look closely you will find an amazing flower.
The fluff surrounding the seeds is used by Goldfinches to
line their nests. It was also used in the making of candle wicks by early settlers.
Asclepias viridis Is native to Texas and other States.
This plant volunteered in my garden and grows freely around this area.


This plant has been said to grow in the following regions:

North Little Rock, Arkansas
Shawnee Mission, Kansas
Louisville, Kentucky
Columbia, Missouri
Moyock, North Carolina
Hulbert, Oklahoma
Sawyer, Oklahoma
Arlington, Texas
Beaumont, Texas
Dallas, Texas
Fort Worth, Texas
Weatherford, Texas
Willis, Texas
Leesburg, Virginia

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