Grass seed is ready to harvest when the tips of the grass seed heads start to shatter. This generally occurs 20 to 30 days after flowering.
About the Author
Thomas K. Arnold is publisher and editorial director of "Home Media Magazine" and a regular contributor to "Variety." He is a former editorial writer for U-T San Diego. He also has written for "San Diego Magazine," "USA Today" and the Copley News Service. Arnold attended San Diego State University.