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Asclepias eriocarpa

A California-native milkweed in the Apocynaceae family, this drought-tolerant perennial grows 1–3 feet tall with woolly stems and leaves, bears cream to pale pink flowers in summer, forms rhizomes and fuzzy seed pods, resprouts after fire, and supports monarchs and a diversity of pollinators.

Is Asclepias eriocarpa growing in your garden? Record it and all of your plants in Known.

Common Names

Indian Milkweed, Woollypod Milkweed, Kotolo Milkweed, Milkweed, Monarch Milkweed

Summary

Woollypod Milkweed is a California native perennial with an erect habit and large, wide grey fuzzy leaves; cream-colored to white flowers appear in Spring and Summer, and plants reach about 2 to 3 feet tall and 2 feet wide with deciduous foliage, providing wildlife value for bees, butterflies, and songbirds, and serving as important caterpillar food for monarch and queen butterflies.

In cultivation, it prefers full sun and is drought-tolerant, with a moderate growth rate, making it suitable for butterfly and pollinator gardens and other sunny landscape uses.

Lifecycle

Perennial

Height

1-3 ft

Spread

1-3 feet

Hardiness Zones

Zones 6-10

Sunlight Requirements

Ideally full sun, tolerates partial sun and partial shade.

Soil Type

Well-drained soil

Soil Drainage

Well-drained soil.

Soil pH

6.0-7.0

Bloom Color

Cream, Pink, White

Bloom Time

Summer

Foliage Color

Greenish-silvery (silvery-green) foliage

Leaf Lifecycle

Deciduous

Growth Rate

Moderate growth rate.

Seasons of Interest

Spring and Summer

Propagation Methods

Seeds, Division, Basal cuttings

Attracts Wildlife

Attracts bees, butterflies, other pollinators, and birds

Taxonomy

Taxonomic Rank
Species
Author
Benth.
Publication
Pl. Hartw. : 323 (1849)

Superior Taxa

Kingdom
Plantae
Subkingdom
Pteridobiotina
Phylum
Angiosperms
Order
Gentianales
Family
Apocynaceae
Genus
Asclepias

Synonyms

Asclepias eriocarpa var. microcarpa Asclepias fremontii Asclepias kotolo

References

Asclepias eriocarpa Benth. | Plants of the World O…. powo.science.kew.org.
Asclepias eriocarpa Woollypod Milkweed PFAF Plant …. pfaf.org.
Asclepias eriocarpa Benth. — The Plant List. theplantlist.org.
USDA ARS Biocollections - Asclepias eriocarpa. biocollections.ars.usda.gov.
Woollypod Milkweed - Calscape. calscape.org.
Asclepias eriocarpa - Gardenology.org - Plant Ency…. gardenology.mywikis.net.
Asclepias eriocarpa | International Plant Names In…. ipni.org.
Asclepias eriocarpa - Bring Back The Monarchs. monarchwatch.org.
SEINet Portal Network - Asclepias eriocarpa. swbiodiversity.org.
Asclepias eriocarpa - Useful Temperate Plants. temperate.theferns.info.
Asclepias eriocarpa - Native Plant Database. theodorepayne.org.
Asclepias eriocarpa KOTOLO. ucjeps.berkeley.edu.
Asclepias eriocarpa - Calflora. calflora.org.
Woollypod Milkweed. calscape.org.
Asclepias eriocarpa (Woollypod Milkweed). gardenia.net.
Woollypod milkweed, Asclepias eriocarpa. growmilkweedplants.com.
Indian, Woolly-Pod Milkweed Seeds (Asclepias erioc…. joyfulbutterfly.com.
Asclepias-eriocarpa.html - Mariposa Native Plants. mariposanativeplants.com.
Asclepias eriocarpa - Matilija Nursery - Californi…. matilijanursery.com.
How to Grow and Care for Kotolo milkweed - Picture…. picturethisai.com.
Plant of the Month - Woolypod Milkweed. smmtc.org.
Asclepias eriocarpa (Woollypod milkweed) | Native …. wildflower.org.
Asclepias eriocarpa Benth.. worldfloraonline.org.
World Flora Online. worldfloraonline.org. June 2024.