St Augustine MaintenanceAs a general rule soil analysis should be done at least every three years on home lawns. This is done by taking random samples of soil from around the yard, mixing these thoroughly and taking about a pint of soil to the extension service. They will analyze the soil and make recommendations as to any amendments needed.
Feb. 15 Apply a pre-emergence herbicide (i.e. Atrazine) to prevent weeds.
April 15 Apply a 16-4-8 at the rate of 6 lbs of material per 1000 sq. ft. of lawn.
June 15 Apply 16-4-8 at the rate of 6 lbs of material per 1000 sq. ft. of lawn Note: If the lawn looks faded and a deeper green is desired, use Ironite or other Iron product for a quick greenup.
Sept. 15 Apply a winterizer such as 5-15-20 at the rate of 5 lbs of material per 1000 sq. ft. of lawn.
Generally St. Augustine should be mowed every 7 days at a height of 1-2 1/2 inches. Overgrown lawns should be mowed down gradually, never mowing more than 1/3 of the leaf blade at any one time.
St. Augustine is considered to be somewhat drought tolerant and should be allowed to dry out slightly between waterings. Good irrigation management will create a deeper root system and overall healthier turf. Never irrigate to the point of standing water or runoff.
April- October A preventive program is best. Using a systemic fungicide such as Bayleton at the recommended interval should keep the lawn disease free. Should disease pop-up, a contact fungicide (Daconil) is recommended as a curative.
NOTE: All newly installed St. Augustine lawns should be treated with a curative fungicide the day of installation and a preventative fungicide 3 days after installation.
If mole crickets and fire ants are a problem in the lawn apply Top-Choice insecticide. Granular Talstar should be applied May 15 and July 15 for chinch bugs and grubs.
NOTE: All newly installed St. Augustine lawns should he treated with an insecticide for chinch bugs and worms the day of installation.
If broadleaf weeds are a problem there are numerous chemicals available to remedy this problem. Care should be taken to insure that the chemical used is specifically labeled for St. Augustine.