
Hooker's evening primrose
Oenothera elata
Hooker's evening primrose produces large, showy yellow flowers that open in the evening, attracting moths and hummingbirds. It grows best in full sun to partial shade with regular watering during the growing season and tolerates a range of soil types. Deadhead spent blooms to encourage continued flowering and prevent excessive self-seeding.
Care Level
Moderate
Sun
Partial Shade
Water
Moderate
Growth Rate
Moderate
Mature Height
120″ – 360″
Soil
sandy loam
Life Cycle
Perennial
Spacing
24″
Flowers
yellow
Watering Schedule
Every 5-7 Days • Water Deeply Until Soil Is Evenly Moist; Allow The Top 2 Inches To Dry Between Waterings
Soil pH
5.5 – 7.5
Temperature
-25° – 95°F
Mature Spread
up to 180″
Root Depth
Medium
Foliage
Fine
Propagation: Seed
Native to
Attracts
Sources
Data: trefle, usda
Image: trefle.io — Taken Jun 12, 2019 by mohammad Ansarian (cc-by-sa)
No nurseries currently have this species in stock.