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You are here: NPIC Home Page Pesticide Ingredients Active Ingredients Specific Chemical Information Triclopyr

Triclopyr is a man-made herbicide used to control both broadleaf and woody plants. Broadleaf weeds include nettles, docks, and brambles. It mimics a plant growth hormone that causes uncontrolled growth and plant death.

General Questions about Triclopyr

What is triclopyr? What are some products that contain triclopyr? How does triclopyr work? How might I be exposed to triclopyr? What are some signs and symptoms from a brief exposure to triclopyr? What happens to triclopyr when it enters the body? Is triclopyr likely to contribute to the development of cancer? Has anyone studied non-cancer effects from long-term exposure to triclopyr? Are children more sensitive to triclopyr than adults? What happens to triclopyr in the environment? Can triclopyr affect birds, fish, and other wildlife?

General Fact Sheet	Infographic: Systemic Pesticides
FAQ: How can I protect my pets when using pesticides around them?	FAQ: Can I plant vegetables after using a weed killer?

If you have questions about this, or any pesticide-related topic, please call NPIC at 1-800-858-7378 (8:00am - 12:00pm PST), or email at npic@ace.orst.edu.

Related Topics:

What are pests?

What are pesticides?

Please read our disclaimer | Contact us | About NPIC | En español

NPIC provides objective, science-based information about pesticides and pesticide-related topics to enable people to make informed decisions. NPIC is a cooperative agreement between Oregon State University and the U.S. Environmental Protection Agency (cooperative agreement #X8-83947901). The information in this publication does not in any way replace or supersede the restrictions, precautions, directions, or other information on the pesticide label or any other regulatory requirements, nor does it necessarily reflect the position of the U.S. EPA.