California Monarch Milkweed
Asclepias Eriocarpa
Overview
The California Monarch Milkweed (Asclepias eriocarpa) flourishes in USDA zones 7-10, with heights of 1.5-3 feet and a spread of up to 2.5 feet. This perennial showcases intricate pale pink to white blooms that allure monarch butterflies for nectar and host their larvae. Prefers full sun, well-drained soils, and is drought-tolerant once established. Plant in clusters for a wildlife-friendly garden addition and beautiful, naturalistic drifts.
Sun FullWater LowZones 8–11Type PerennialClimate Arid
Culture
- Sun
- Full
- Water
- Low
- USDA zones
- 8–11
Shape & size
- Mature height
- 1–3 Ft.
Classification
- Type
- Perennial
- Family
- Asclepiadaceae
- Climate
- Arid
See full data, regional cultivation notes, and design tools. Build a client presentation around this plant.
Start your 14-day trialPhotos (33)
























Photographs by 2 contributors
- John Rusk from Berkeley, CC BY 2.0 · source
- Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0 · source
Related plants

Perennial
Butterfly Weed
Asclepias Tuberosa
FullUSDA 3–9

Perennial
California Desert Milkweed
Asclepias Erosa
FullUSDA 8–11

Perennial
California Milkweed
Asclepias Californica
FullUSDA 8–11

Succulent
Common Milkweed
Asclepias Syriaca
FullUSDA 3–9

Succulent
Desert Milkweed
Asclepias Subulata
FullUSDA 8–11

Perennial
Eastern Swamp Milkweed
Asclepias Incarnata Pulchra
FullUSDA 3–9