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Ten Simple Steps Toward a Safe & Healthy Lawn
Join the movement to minimize reliance on weed and insect controls and take a healthier approach to lawn care today!
1. Test Your Soil First
Do a soil test to determine whether or not any supplements (potassium, phosphorus, etc.) are needed.
Free soil test kits are available at the University of Maine Cooperative Extension. For more information, call 800-287-1535.
2. Avoid the Use of Phosphorus
Avoid the use of phosphorus unless indicated by the soil test, or when establishing new lawn from seed. Lawns rarely need anything more than nitrogen, if that.
3. Do Not Fertilize When It's Rainy
If rain is predicted, do not fertilize or apply pesticides (or if the ground is saturated). If you must fertilize, use only fertilizer products that contain slow or time release nitrogen. Water in lightly - no more than 1/4 to 1/2 inch.
4. Fertilize in the Fall, Not the Spring
If fertilizer is applied, it is best done between late August and Columbus Day. In the spring, you can rake, de-thatch, or aerate your lawn to help stimulate healthy growth, and then overseed with a tall or fine fescue mix.
5. Let Your Lawn Grow
Mow your lawn when it reaches 3 inches or more and leave the clipping on the lawn (nitrogen rich free fertilizer). Cutting higher reduces weed invasion. Avoid mowing off more than 1/3 of grass height to reduce the stress induced by mowing.
6. Create a Buffer Zone
Leave at least a 25-foot buffer zone of untreated grass or other vegetation around any wells, wetlands, streams, coastal areas or other water bodies to help keep pollutants out.
7. Know the Size of Your Lawn
Over-application of any fertilizer or pesticide, even organic products, can have a negative effect on lawn health and the watershed, causing algae blooms that deplete oxygen and suffocate marine life. Never leave fertilizer, weed or insect controls on impervious surfaces. Sweep them back into the lawn or dispose of them according to the products directions.
8. Water Wisely and Infrequently
If absolutely necessary, deeply soak the lawn once or twice a week with about 1 inch of water. Deep watering encourages strong root growth, while frequent light watering increases the potential for harmful pesticide or fertilizer runoff.
9. Plant Right for Your Site
To minimize weeds, regularly overseed your lawn with fine or tall fescues, white clover and other grasses appropriate for this climate. Maximum density minimizes weeds.
10. Control Weeds & Pests
Don't broadcast pesticides. Weed by hand and if you need to manage pest problems with pesticides use it only in the spot needed. Mulching once a year reduces weeds in beds.