// SPECIES PROFILE · ANNUAL · NATIVE

Gypsum phacelia

Phacelia integrifolia var. integrifolia

Gypsum phacelia (Phacelia integrifolia var. integrifolia) is a annual in the — family. Native range includes KS, OK. Hardy in zones 2b–10b. Mature size 6"–2'. Blooms Feb–May.

// QUICK FACTS

Family: —
Group: annual
Native range: Native to AZ, CO, KS, NM, OK, TX, UT
USDA hardiness: Zones 2b–10b
Mature size: 6"–2'
Sun: Part shade
Water: Medium
Bloom: Feb–May
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Gypsum phacelia (Phacelia integrifolia var. integrifolia) — *Phacelia integrifolia var. integrifolia* — Gypsum phacelia. Photo via iNaturalist — (c) John Brew, some rights reserved (CC BY).

Field Notes

[ growing · ecology · siting · care ]

Gypsum phacelia (Phacelia integrifolia var. integrifolia) is a annual in the — family. Native range includes KS, OK. Hardy in zones 2b–10b. Mature size 6"–2'. Blooms Feb–May.

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, gypsum phacelia pairs naturally with: Common Sunflower (Helianthus annuus), Rocky mountain bee-plant (Peritoma serrulata), Swamp verbena (Verbena hastata), Powell's amaranth (Amaranthus powellii).