The Q&A Archives: fertilize

Question: I just put your colored mulch around my knock out roses. Being the mulch so thick, what type of fertilizer should I use and how often

Answer: You can use a foliar fertilizer such as Miracle Gro or you can move the mulch and broadcast a time release granular fertilizer and then replace the mulch. One application in spring of a granualar fertilizer should be just fine; a liquid fertilizer should be applied every 4-6 weeks during the growing season. Best wishes with your Knock Out Roses!

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