image by Tizmykee: Photobucket
According to Purdue University's Turfgrass Science Program, you should dethatch zoysia every summer and Kentucky bluegrass and fine fescue in April or September. Rye and tall fescue rarely need dethatching.
About this Author
After attending Hardin Simmons University, Kay Dean finished her formal education with the Institute of Children's Literature. Since 1995, Dean has written for such publications as "PB&J," Disney’s "Family Fun," "ParentLife," "Living With Teenagers" and Thomas Nelson’s NY Times bestselling "Resolve." An avid gardener for 25 years, her experience includes organic food gardening, ornamental plants, shrubs and trees, with a special love for roses.