Scientific: Oenothera caespitosa
Common: tufted evening primrose
Family: Onagraceae
Origin: western US and northern Mexico, 4,000 to 7,500 ft.

Hardiness zones
Sunset
All zones
USDA All zones

Landscape Use: Small floral accent plant for oasis and xeric landscape border plantings, rock gardens, containers, hanging baskets

Form & Character: Herbaceous perennial, clumping, informal

Growth Habit: Prostrate, rosetting, clumping to 1' height with 2' spread.

Foliage/Texture: Variable light gray green leaves, sometimes serrate, pubescent, prominent midvein, spatulate, 4" long, medium texture

Flowers & Fruits: Multiple solitary, axillary white flowers to 3" across with nearly fused petals, slightly tinged with pink, fruit inconspicuous

Seasonal Color: White flowers in the Spring

Temperature: Tolerant

Light: Full sun best

Soil: Tolerant to well-drained

Watering: Supplemental irrigation during hot weather will maintain healthy appearance.

Pruning: None required

Propagation: Seed, division, root cuttings

Disease and pests: None

Additional comments: Nice diminutive western native plant for landscape borders and flower gardens.

Oenothera is derived from the greek words oinos (wine) and thera (to imbibe). Historically, some European plants in this genus were thought to provoke a taste for wine.