Annual Dues 2021

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Poison Hemlock

Poison Hemlock

BACKGROUND: Poison hemlock is a European native, growing 6 to 10 feet tall. It is commonly found along waterways, roadsides, and field edges and tolerates poorly drained soils. It has been mistaken for parsley and wild carrot. All parts of the plant are toxic.

OTHER COMMON NAMES:

DESCRIPTION: This biennial has a large taproot. The stems have purple spots, especially at the bases. Leaves are finely divided, having a fern like appearance. Leaf stems clasp the main stem. The tiny flowers are in umbrella-shaped clusters on the ends of individual stalks. Bloom is late spring into early summer.

CONTROL: Biocontrol is available and offers fair to good control. Herbicides can offer excellent control when applied to actively growing plants between rosette and bloom stages.

  • SCIENTIFIC NAME: Conium maculatum
  • CLASS: 3
  • BIOCONTROL AGENTS AVAILABLE: YES

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Contact us with questions

Utah Biological Control

Amber Mendenhall

phone: 435 830 4146

email: utahsbuggirl@gmail.com

Utah Noxious Weeds

contact your local County Weed Supervisor

NEW INVADERS GUIDE

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