
Narrowleaf evening primrose
Oenothera tetragona
Narrowleaf evening primrose thrives in partial shade with moderate, consistent moisture and well-drained soil. It is a low-maintenance perennial that rewards gardeners with cheerful yellow blooms from late spring through summer. Plant in borders or naturalized areas where its pollinator-friendly flowers can shine.
Care Level
Low
Sun
Partial Shade
Water
Moderate
Growth Rate
Moderate
Mature Height
12″ – 48″
Soil
loam
Life Cycle
Perennial
Spacing
18″
Watering Schedule
Every 7-10 Days • Water Moderately Until Soil Is Evenly Moist; Allow Top Inch To Dry Between Waterings
Soil pH
4.5 – 7
Temperature
-40° – 95°F
Mature Spread
up to 36″
Root Depth
Medium
Foliage
Medium
Native to
Attracts
Sources
Data: trefle, usda
Image: trefle.io — Taken Aug 2, 2018 by Tela Botanica − Alain Bigou (cc-by-sa)
No nurseries currently have this species in stock.