Weed Identification and Natural Enemies from University of CA

Weeds are similar though not identical  across the US . Most years I pull up seedlings of plants I seeded in the fall, mistaking them for some new weed I've never seen before. And, plants listed as invasive in USDA zones 10 - 12 barely survive as garden specimens in our zone 7 beds.

The U.C. Davis IPM/agriculture site has a page that will help sort our weeds from seedlings - at http://www.ipm.ucdavis.edu/PMG/weeds_intro.html

Here's what the front top looks like, followed by similar information for grasses, sedges and aquatic.
Click over to learn more!

Weed photo gallery

Link to broadleaf gallery
Choose a category below or skip to a LIST OF ALL WEEDS.

Broadleaf identification

Leaves are wide, veins branch out in different directions.

Natural Enemies Gallery Also! at the UC site there are photos and information about garden pests' natural enemies at

Click through and look at the pictures, learn who is who!

Your link choices at the site are
Predators | Parasites | List by order and family name | List by scientific name | List by pest


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