Purple deadnettle is a close relative of henbit with triangular, purple-tinged upper leaves.
- Scientific name
- Lamium purpureum
- Type
- Winter annual broadleaf
- Most visible
- February–April
How to Identify Purple Deadnettle
- Square stems
- Triangular, hairy leaves that turn purple at the top
- Small pinkish-purple flowers
- Upper leaves stack like a pagoda
When It Shows Up in Oklahoma Lawns
Grows alongside henbit from fall through spring.
How to Control Purple Deadnettle
- 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
