How and when should you fertilize your lawn? 🌱 Back to Basics at Gibbs Garden Center Timing matters more than fertilizer type. Lawns should be fertilized when grass is actively growing, using a slow-release fertilizer and following label directions. Fertilizing at the wrong time can stress the lawn and cause problems. Not sure when or how to fertilize your lawn? Bring us a picture or ask us — we’re happy to help. Located in Cullman, Alabama along I-65 only two miles off of Exit 304 (Good Hope E