Common Evening Primrose (Oenothera Biennis) is a biennial herb in the Onagraceae family with easy care difficulty. It requires moderate watering and full sun or partial shade light in USDA hardiness zones 4-9. This plant is safe for cats and dogs.

Oenothera biennis is a biennial, herbaceous forb known for its yellow, night-blooming flowers and medicinal seeds.

Common Evening Primrose

Common Evening Primrose

Oenothera Biennis

Oenothera biennis is a biennial, herbaceous forb known for its yellow, night-blooming flowers and medicinal seeds.

Quick Facts

Type
herb
Lifecycle
biennial
Care Difficulty
Easy
Water Needs
Moderate
Light
Full Sun, Partial Shade
Hardiness Zones
4-9

Safety

🐕
Pet Safe
👶
Child Safe
Non-Toxic

Growing Conditions

Soil Types:sandy, loamy, gravelly
Indoor:No
Outdoor:Yes
Garden Use:specimen, pollinator support, wildlife habitat

Care Calendar

Monthly care tasks for Common Evening Primrose

Jan
Prune
Feb
Fertilize
Mar
Repot
Apr
Water+
May
...
Jun
...
Jul
...
Aug
...
Sep
...
Oct
...
Nov
...
Dec
...

Expert Care Tips

Pro tips from botanists and plant experts

Watering Tip

Check soil moisture by inserting your finger 1 inch deep. Water only when the top layer feels dry to prevent overwatering.

Humidity Trick

Group plants together to create...

Growth Hack

Rotate your plant every...

Photo Gallery10+ photos

Common Evening Primrose
Common Evening Primrose detail

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Taxonomy

Family:Onagraceae
Genus:Oenothera