Asclepias Species, Green Antelopehorn, Green Milkweed, Spider Milkweed
Asclepiasviridis

Synonym:Acerates paniculata

Synonym:Anthanotis viridis

Synonym:Asclepias longipetala

Synonym:Gomphocarpus viridis

Synonym:Podostigma viridis

Category
Perennials

Water Requirements
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater

Sun Exposure
Full Sun

Foliage
Herbaceous

Foliage Color

Height
12-18 in. (30-45 cm)

Spacing
24-36 in. (60-90 cm)

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

Where to Grow

Danger
All parts of plant are poisonous if ingested

Bloom Color
Pale Green

Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds

Bloom Size

Bloom Time
Late Spring/Early Summer
Mid Summer

Other details

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
Non-patented

Propagation Methods
From seed; direct sow outdoors in fall

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