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// SPECIES PROFILE · GRASS · NATIVE

Arizona cottontop

Digitaria californica

Arizona cottontop (Digitaria californica) is a grass in the — family. Native range includes OK — verified against the Lady Bird Johnson Wildflower Center native distribution database. Hardy in zones 2b–10b. Blooms Mar–Nov.

// QUICK FACTS
Family
—
Group
grass
Native range
Native to AZ, CO, NM, OK, TX
USDA hardiness
Zones 2b–10b
Mature size
—
Sun
Part shade
Water
Low · xeric
Bloom
Mar–Nov
Wildlife value
Pollinator and wildlife support
Ecological role
native species profile
Arizona cottontop (Digitaria californica)
Digitaria californica — Arizona cottontop. Photo via iNaturalist — (c) Catherine C. Galley, some rights reserved (CC BY).

Field Notes

[ growing · ecology · siting · care ]

Arizona cottontop (Digitaria californica) is a grass in the — family. Native range includes OK — verified against the Lady Bird Johnson Wildflower Center native distribution database. Hardy in zones 2b–10b. Blooms Mar–Nov. 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, arizona cottontop pairs naturally with: Big Bluestem (Andropogon gerardii), Buffalograss (Bouteloua dactyloides), Canada Wild Rye (Elymus canadensis), Common Rush (Juncus effusus).

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