Invasive Weed of the Month

Tall Buttercup (Ranunculus acris)

What it is: A Noxious perennial. It can be found in moist to well drained soil. It has been found in many areas of the county.

How to identify it: Flowers are bright yellow with 5 petals, Leaves are arranged into 3 to 5 jagged lobes similar to that of fingers from a palm. Leaves and stems can be hairy.

How it Reproduces: Spreads by seed, which can be viable for 4 years.

Why is it a concern: It is toxic to livestock, out competes desired vegetation.

Prevention: Don’t overgraze; buy clean seed and feed.

Control Methods: Cultivation, Use appropriate herbicide, Hand pull if small abundance. Mowing is not recommended since Tall Buttercup can grow below the mow line and will continue to spread.

tall buttercup_flowers

tall buttercup_leaf



Contact Agricultural Services in the Wildwood Office1-800-814-3935 or 325-3782 or email

County Offices


2716 - 1 Avenue,Edson,AB. T7E 1N9
Phone: 780-723-4800
Toll Free: 1-800-665-6030
Fax: 780-723-5066


53404 Rge Rd 92A,Wildwood,AB.
Phone: 780-325-3782
Toll Free 1-800-814-3935
Fax: 780-325-3783

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