Heartleaf Milkweed (Asclepias cordifolia) Quick Facts:
Host plant to Monarch butterflies and Nectar plant to many
Native to California, Nevada, and Oregon
Hardy in USDA zones 7-10
Full sun, partial shade
Needs well drained soil, drought tolerant once established
Burgundy flowers appear from June – August
Grows 1-3 feet tall
Space 1-2 feet apart
Seeds need 2-3 months cold stratification or can be fall/winter sown
First year seedlings resemble a vine. As they age, they will grow more upright.
Heartleaf Milkweed Plants for Butterfly Gardens
Heart-leaf milkweed plants will add a deep purple hue to your butterfly garden. They are a West Coast native found in California and Oregon.
Monarch butterflies use them on which to lay their eggs so their caterpillars can feed on the leaves. Like other milkweeds, this is also a nectar plant that attracts many other species of butterflies to its flowers besides the Monarch.
First year seedlings of this plant resemble a vine. As they age they will grow more upright.
All of our plants are grown to be safe for butterflies, caterpillars and any other pollinators.