Cutleaf evening primrose has deeply lobed leaves and pale yellow flowers that open in the evening.
- Scientific name
- Oenothera laciniata
- Type
- Winter annual or biennial broadleaf
- Most visible
- March–June
How to Identify Cutleaf Evening Primrose
- Rosette of deeply lobed leaves
- Pale yellow four-petaled flowers
- Reddish stems
- Spreads by seed
When It Shows Up in Oklahoma Lawns
Grows from fall into spring and is common in sandy soils.
How to Control Cutleaf Evening Primrose
- Apply a fall pre-emergent
- Spot-treat with a selective herbicide labeled for the weed and safe for your grass type, following the label exactly
- Keep turf thick with proper mowing height, watering, and feeding so seedlings can't establish