Class 3 · Containment
Hoary Cress
Cardaria spp.now Lepidium draba
Also called Whitetop.
Widely spread. Effort goes to new or expanding populations; established stands are managed by whatever method the weed control authority approves.
- Apr - Jun
- Treatment window
- Class 3
- Utah designation

What we know
Class 3: containment
Widely spread. Effort goes to new or expanding populations; established stands are managed by whatever method the weed control authority approves.
Treatment on hoary cress works best apr - jun. A full profile for this species is still being written. Until it is here, the USU Extension field guide carries identification detail, and we would rather hear from you than have you guess.
At a glance
- Common name
- Hoary Cress
- Scientific name
- Cardaria spp. (now Lepidium draba)
- Utah class
- 3 - Containment
- Treatment window
- Apr - Jun
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