// SPECIES PROFILE · PERENNIAL · NATIVE

Pink plains penstemon

Penstemon ambiguus

Pink plains penstemon (Penstemon ambiguus) is a perennial in the — family. Native range includes KS, OK. Hardy in zones 2a–10b. Mature size 6"–3'. Blooms May–Oct.

// QUICK FACTS

Family: —
Group: perennial
Native range: Native to 9 U.S. states, including AZ, CO, KS, NM, NV, OK…
USDA hardiness: Zones 2a–10b
Mature size: 6"–3'
Sun: Part shade
Water: Low · xeric
Bloom: May–Oct
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Pink plains penstemon (Penstemon ambiguus) — *Penstemon ambiguus* — Pink plains penstemon. Photo by Stan Shebs via Wikimedia Commons (CC BY-SA 3.0).

Field Notes

[ growing · ecology · siting · care ]

Pink plains penstemon (Penstemon ambiguus) is a perennial in the — family. Native range includes KS, OK. Hardy in zones 2a–10b. Mature size 6"–3'. Blooms May–Oct. 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, pink plains penstemon pairs naturally with: Broadleaf Arrowhead (Sagittaria latifolia), Lady Fern (Athyrium filix-femina), Sneezeweed (Helenium autumnale), Wild Strawberry (Fragaria virginiana).