Asclepias Species, Fourleaf Milkweed
Asclepiasquadrifolia

Family: Apocynaceae (a-pos-ih-NAY-see-ee)
Genus: Asclepias (ass-KLE-pee-us)
Species: quadrifolia (kwad-ree-FOH-lee-uh)

Synonym:Asclepias vanilla

Category
Herbs
Perennials

Water Requirements
Drought-tolerant; suitable for xeriscaping

Sun Exposure
Full Sun
Sun to Partial Shade

Foliage
Deciduous

Foliage Color

Height
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)

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

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

Where to Grow

Danger
All parts of plant are poisonous if ingested

Bloom Color
Pink
Magenta (pink-purple)

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

Bloom Size

Bloom Time
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall

Other details

Soil pH requirements

Patent Information
Non-patented

Propagation Methods
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors
From seed; sow indoors before last frost
From seed; direct sow after last frost

Seed Collecting