Summit CWMA
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
Hoary Cress in the field

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