Plant centipede grass seed when the soil is warm and the nights aren't cold anymore. Here's the sweet spot: Best time: Late spring to early summer roughly May through July in most White Lily All Purpose Flour, 2 lb Bag Same Day Delivery or Pickup Woodman's Food Markets Desmanthus illinoensis (Illinois bundleflower) Native Plants of North America Lily Carter and Karina White: Lily Carter and Karina White Babes and Pornstars How to Plant Grass Seed in Summer (without failing) Lawn Chick