Application of fertilizer & weed killer - Knowledgebase Question

Ft. Worth, Te
Question by BGrayson28
September 29, 2009
I bought winter lawn fertilizer and preemergent weed killer. Can they be applied at the same time or on two different days? Then water? Apply now (9/30/09) or when?

Answer from NGA
September 29, 2009


You can apply your winterizer fertilizer now and water it in well. The pre-emergent should be applied in February or March (when the forsythia blooms) to be most effective. If you apply it now it will weather away before it can serve its purpose. Wait until late winter to apply the pre-emergent.

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