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John Fulton

John Fulton
Former County Extension Director

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In The Backyard

Horticulture columns and tips done on a timely basis

Lawn Weeds in an Unusual Year

Posted by John Fulton -

Crabgrass seed has already germinated, and will continue to do so throughout the spring and summer months. Preventative treatments will still do some good for seed that will germinate over the next six to eight weeks, but won't get seeds already germinated. The organic arsenicals, such as DSMA and MSMA, will control newly germinated grass – including crabgrass.. Remember, you should have a second preventative application around June 1 for summer control of crabgrass and other annual grasses.

Chickweed and henbit have gone gangbusters in lawns, fields, and along roadsides. As a matter of fact, they already have produced viable seed for germination this fall. They are both winter annuals, and can overwinter as small plants then take off in the spring. They certainly accomplished that this year. These weeds will disappear during the heat of the summer, and who knows when that will be this year. You might be better off withholding a herbicide application for later use this season.

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