Department Header For Noxious Weed Division
Yellowstone County, Montana
Noxious Weed
Weed Information Contact Department

Orange Hawkweed
(Hieracium aurantiacum L.)


Orange hawkweed

Photo from Weeds of the West, revised edition.

Orange hawkweed 1

Orange hawkweed 2

Orange hawkweed 3

Orange hawkweed 4

Orange hawkweed 5

Orange hawkweed 6

Photos from Montana Weed Control Association

Growth Habit: Perennial, erect to 12 inches tall.

Leaves: Lance-shaped, hairy, leaves are basal, occasionally 1-2 small leaves on stem.

Stem: Erect, bristly, terminate, in and umbel of flower heads.

Flower: 5 to 30 per plant, red-orange, petals with notched tips.

Roots: Fibrous.

Biological Controls: None used in Yellowstone County at this time.

Herbicides: None used in Yellowstone County at this time.

Produced by Wyoming Weed & Pest Council in cooperation with Sandoz Crop Protection Corp.


Video Supplied By Montana Weed Control Association