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Contact Info

Phone: 307-472-5559
Hours: April 1 - Sept. 30th, 7:30am - 4:00 Monday-Friday
Oct. 1 - March 31, 7:00am - 5:00pm Monday-Thursday
If you need assistance after hours: Please Call Brian Connely , 307-267-3848

Hoary Cress

Cardaria draba

This plant is a perennial growing up to 2 feet tall.

Reproduced from spreading rootstocks and seeds.

Lower leaves are stalked while upper leaves have two lobes clasping the stem.

Flowers are snow white and dense. This gives the plant a white flat-top appearance.  Flowers bloom in the spring.

Roots can extend into the ground 30 feet.

Also called “whitetop”.

Hoary cress does well in some of our more moist, clay, alkaline soils. These plants tend to grow from a center forming dense monocultures that exclude desirable native vegetation. It is found throughout Natrona County.

CHEMICAL CONTROL:

Chemical control is best when applied early in the spring. Contact your local weed and pest for recommendations.