1000 square foot fenced garden cover crops #463949 - Ask Extension


1000 square foot fenced garden cover crops #463949

Asked June 20, 2018, 3:04 PM EDT

Will buckwheat regrow if mowed while in bloom, without re-seeding? How short should the stubble be? Can Tillage radishes be over-seeded in late august over growing buckwheat and triticale? Thanks for the help. Chuck

Olmsted County Minnesota

Expert Response

Buckwheat will regrow after mowing if cut before it reaches 25 percent bloom. Stubble should be 4-6 in. It also can be lightly tilled after the midpoint of its long flowering period to reseed a second crop. Some growers bring new land into production by raising three successive buckwheat crops this way. Earlier, the stubble tends to regrow, later the first seeds mature and germinate. Earliest maturing seed can shatter before plants finish blooming.

Yes you can overseed radish into buckwheat, generally before Sept 1. Getting good seed soil contact will be very important for stand establishment. Here are some good resources: https://www.nrcs.usda.gov/wps/portal/nrcs/detail/mn/technical/?cid=nrcs142p2_023671

An Expert Replied June 25, 2018, 8:53 AM EDT

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