Asclepias Species, Broadleaf Milkweed
Asclepiaslatifolia

Category
Herbs
Perennials

Water Requirements

Sun Exposure
Full Sun

Foliage

Foliage Color

Height
4-6 ft. (1.2-1.8 m)

Spacing

Hardiness
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)

Where to Grow
Grow outdoors year-round in hardiness zone

Danger
Parts of plant are poisonous if ingested

Bloom Color
Cream/Tan

Bloom Characteristics

Bloom Size

Bloom Time

Other details

Soil pH requirements
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)

Patent Information

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
Direct sow as soon as the ground can be worked
From seed; direct sow after last frost
From seed; germinate in a damp paper towel
Scarify seed before sowing

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