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// SPECIES PROFILE · VINE · NATIVE

Old man's beard

Clematis drummondii

Old man's beard (Clematis drummondii) is a vine in the — family. Native range includes OK — verified against the Lady Bird Johnson Wildflower Center native distribution database. Hardy in zones 2b–10b. Mature size 6'–15'.

// QUICK FACTS
Family
—
Group
vine
Native range
Native to AZ, CO, NM, OK, TX
USDA hardiness
Zones 2b–10b
Mature size
6'–15'
Sun
Part shade
Water
Low · xeric
Bloom
—
Wildlife value
Pollinator and wildlife support
Ecological role
native species profile
Old man's beard (Clematis drummondii)
Clematis drummondii — Old man's beard. Photo by Mike via Wikimedia Commons (CC BY-SA 3.0).

Field Notes

[ growing · ecology · siting · care ]

Old man's beard (Clematis drummondii) is a vine in the — family. Native range includes OK — verified against the Lady Bird Johnson Wildflower Center native distribution database. Hardy in zones 2b–10b. Mature size 6'–15'. Low water use makes it a strong candidate for xeric and drought-conscious plantings.

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, old man's beard pairs naturally with: Macoun's false bindweed (Calystegia macounii), Hedge false bindweed (Calystegia sepium), Texas bindweed (Convolvulus equitans), Scaldweed (Cuscuta gronovii).

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