Evening Primrose
Oenothera biennis
Give it drainage and room: the roots rot in wet ground, and the seedlings take over wherever they are tolerated.
Light Full sun
Height 90 cm
Spread 17.7 in
Spacing 45 cm
Spacing & sowing
- Plant spacing
- 17.7 in
- In-row spacing
- 17.7 in
- Between rows
- 22 in
- Square-foot density
- Not suited to SFG
Growing
- Type
- Flower · Perennial
- Botanical family
- Mixed / other
- Sunlight
- Full sun
- Feeding
- Rose & flower
- Frost tolerant
- Yes
- Flowering
- June
Through the year
- Mar–Jun Spring Growth
- Jun–Sep Flowering
- Sep–Nov Growing
- Nov–Dec Leaf Fall
- Jan–Mar Leaf Fall
Companions
Verbascum, Grasses, Achillea, Echinacea
Pests & problems
The Cottage Garden Companion — the gardener's herbarium at cottagegardencompanion.com