Threadleaf Evening-primrose (Oenothera Linifolia) is a annual herb in the Onagraceae family with easy care difficulty. It requires low watering and full sun light in USDA hardiness zones 5-9. This plant is safe for cats and dogs.

Oenothera linifolia is a slender annual herb known for its thread-like leaves and bright yellow flowers that bloom primarily in late spring to summer.

Threadleaf Evening-primrose

Threadleaf Evening-primrose

Oenothera Linifolia

Oenothera linifolia is a slender annual herb known for its thread-like leaves and bright yellow flowers that bloom primarily in late spring to summer.

Quick Facts

Type
herb
Lifecycle
annual
Care Difficulty
Easy
Water Needs
Low
Light
Full Sun
Hardiness Zones
5-9

Safety

🐕
Pet Safe
👶
Child Safe
Non-Toxic

Growing Conditions

Soil Types:sandy, loamy, rocky
Indoor:No
Outdoor:Yes
Garden Use:groundcover, pollinator attractor, ornamental

Care Calendar

Monthly care tasks for Threadleaf 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

Threadleaf Evening-primrose
Threadleaf Evening-primrose detail

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Taxonomy

Family:Onagraceae
Genus:Oenothera