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// SPECIES PROFILE · ANNUAL · NATIVE

Hairy bugseed

Corispermum villosum

Hairy bugseed (Corispermum villosum) is a annual in the — family. Native range includes MO — verified against the Lady Bird Johnson Wildflower Center native distribution database. Hardy in zones 2a–9b. Mature size 1"–14". Blooms Aug–Nov.

// QUICK FACTS
Family
—
Group
annual
Native range
Native to 14 U.S. states, including CO, ID, IL, MN, MO, MT…
USDA hardiness
Zones 2a–9b
Mature size
1"–14"
Sun
—
Water
—
Bloom
Aug–Nov
Wildlife value
Pollinator and wildlife support
Ecological role
native species profile
Hairy bugseed (Corispermum villosum)
Corispermum villosum — Hairy bugseed. Photo via iNaturalist — (c) Mary Krieger, some rights reserved (CC BY).

Field Notes

[ growing · ecology · siting · care ]

Hairy bugseed (Corispermum villosum) is a annual in the — family. Native range includes MO — verified against the Lady Bird Johnson Wildflower Center native distribution database. Hardy in zones 2a–9b. Mature size 1"–14". Blooms Aug–Nov.

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, hairy bugseed pairs naturally with: Common Sunflower (Helianthus annuus), Swamp verbena (Verbena hastata), Annual ragweed (Ambrosia artemisiifolia var. artemisiifolia), Tower rockcress (Arabis glabra).

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