How to Manage Pests
These images show mature plants. Seedlings and immature plant parts may differ. See also, sedges tutorial.
Names and photos link to more information on identification and biology.
If you can't find the name of your weed, try the Weed Research Information Center Weed ID Tool. For further assistance in California, contact your local UC Cooperative Extension or Master Gardener office. Other states, contact your local county extension office.