|i live in Eastpointe Mi and i like to know when can i deadhead my knockout roses? And dethatch my lawn and fertilize lawn and roses
|Answer from NGA
March 11, 2010
|Knockout roses can be pruned in late winter or early spring. Don't feed your lawn or roses until you see new growth. When you do, feed your roses, dethatch and reseed your lawn and then wait until you've mowed the lawn 3 times before fertilizing it. Hope this answers all your questions.
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