Grass seed is ready to harvest when it heads start to shatter (i.e. are drying out and fall off in your hand). Harvest seed from at least 10-20 plants, if possible.

Cut stems at least 2-3 inches below the bottom of the seed head. Be careful to ensure that the seeds don't fall out.

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Place all of the seed heads into coin envelopes, manila envelopes, or paper bags. Store in a cool, dry place so the plant tissue dries down completely.

Mail or personally deliver the samples to UC Davis at the following address:

Lynn Sosnoskie, Assistant Project Scientist
Department of Plant Sciences, MS-4, UC Davis
One Shields Avenue, Davis, CA 95616

For more information, contact Lynn Sosnoskie at (229) 326-2676 or lmsosnoskie@ucdavis.edu.