Asclepias Species, Poison Milkweed, Utah Milkweed
Asclepiaslabriformis

Family: Apocynaceae (a-pos-ih-NAY-see-ee)
Genus: Asclepias (ass-KLE-pee-us)
Species: labriformis (la-bree-FORM-iss)

Category
Perennials

Water Requirements
Average Water Needs; Water regularly; do not overwater

Sun Exposure
Full Sun
Sun to Partial Shade

Foliage
Herbaceous

Foliage Color

Height
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)

Spacing
12-15 in. (30-38 cm)
15-18 in. (38-45 cm)
18-24 in. (45-60 cm)

Hardiness
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)

Where to Grow

Danger
Parts of plant are poisonous if ingested

Bloom Color
Pale Yellow
Pale Green

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

Bloom Size

Bloom Time
Mid Spring
Late Spring/Early Summer

Other details

Soil pH requirements
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
From seed; stratify if sowing indoors

Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored