Growth rate: Rapid.
Mature Size: 12-18" high and 24" wide.
Flowers: Bright yellow, four petals, 24 hour lifespan, open in evening
and close the next afternoon just before the next set of flowers open.
Bloom: Spring and summer.
Fruit: Cylindrical seed capsule.
Leaves: Green, linear to thinly lance-shaped.
Stems: No thorns. Drooping to erect, become woody.
Roots: Spreads by rhizomes.
Wildlife: Attracts butterflies, bees, birds.
Toxic / Danger: No.
Origin: Texas, New Mexico, Arizona and Mexico.
Cultivation and Uses
USDA hardiness zones: 5-9.
Heat tolerant: Yes.
Drought tolerant: Yes.
Sun: Full sun to part shade.
Water once established: Once or twice a month. Tolerates weekly
water in very well drained soil.
Soil: Well drained, dry, pH 6.6-8.5 (neutral to alkaline).
Prune: Shear in late winter. Deadheading promotes more flowers.
Propagation: Seed, cuttings, root division.
Uses: Ornamental, ground cover.
A member of Onagraceae, the Willowherb or Evening Primrose family.
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