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// SPECIES PROFILE · PERENNIAL · NATIVE

Showy milkweed

Asclepias speciosa

Showy milkweed (Asclepias speciosa) is a perennial in the — family. Native range includes KS, OK. Hardy in zones 2a–11a. Mature size 2'–3'. Blooms May–Sep.

// QUICK FACTS
Family
Group
perennial
Native range
Native to 22 U.S. states, including AZ, CA, CO, IA, ID, IL…
USDA hardiness
Zones 2a–11a
Mature size
2'–3'
Sun
Full sun
Water
Medium
Bloom
May–Sep
Wildlife value
Pollinator and wildlife support
Ecological role
native species profile
Showy milkweed (Asclepias speciosa)
Asclepias speciosa — Showy milkweed. Photo by vicki watkins from USA via Wikimedia Commons (CC BY 2.0).

Field Notes

[ growing · ecology · siting · care ]

Showy milkweed (Asclepias speciosa) is a perennial in the — family. Native range includes KS, OK. Hardy in zones 2a–11a. Mature size 2'–3'. Blooms May–Sep.

Why it's on this list: native species profile. Native-range data from the Lady Bird Johnson Wildflower Center (NPIN), cross-checked against iNaturalist observations. Part of Rooted Revival's regional native plant catalog — true natives for Oklahoma, Arkansas, Missouri and Kansas.

Companion Planting

[ guild · polyculture · cross-layer pairings ]

In the same native range, showy milkweed pairs naturally with: Broadleaf Arrowhead (Sagittaria latifolia), Lady Fern (Athyrium filix-femina), Sneezeweed (Helenium autumnale), Wild Strawberry (Fragaria virginiana).

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