WHY DO YOU NEED TO THATCH?
By summer’s end, does your lawn green on top, but brown underneath? When you mow it, does it look dead and scalped? Your lawn may have too much thatch.
Thatch is a layer of living and dead grass stems and roots. It is the natural consequence of a healthy lawn,. For best results, dethatch your lawn about every one to two years, in March or April or in the early fall.
Regular dethatching forces buds to grow near the base of the grass stems, preventing the grass plants from being dead underneath and only green on top. Thatching frees new grass shoots to grow in thick and lush.
The easiest, most economical way to dethatch is to rent a dethatcher. Two types are available - the flail-type and the solid knife-type.
The old-fashioned, elbow-grease method to dethatch is to use a thatching rake.
Once you have rented your dethatcher, set the blades high enough so they are about 1/8- to 1/4-inch above the ground when placed on a hard surface such as a sidewalk.
“You don’t want to destroy your lawn in the process of dethatching,” .
Dethatching should not pulverize the soil surfaces. Adjust the blades to about a quarter-inch above a concrete surface. Make between one to five passes through your lawn, until most thatch is removed.
After dethatching, fertilize the lawn with a nitrogen fertilizer to stimulate regrowth.
Homeowners who dethatch their lawns every one to two years will end up with about one to three pick-up loads of thatch from an average-size lawn.
“Thatch is only a problem when homeowners wait too long to dethatch, “Dethatching regularly is just a little more work than mowing a lawn. But if you wait for too many years, removing thatch becomes a long, agonizing process. It needn’t be.”
The thatch can be composted or used for mulch if it is herbicide-free. If you have used a weed killer or “weed and feed” treatment in the month before dethatching, then do not use the removed thatch to make compost or mulch.
Never use clippings or thatch debris for mulch or compost if you have used a weed killer containing clopyralid. Even after composting, clopyralid remains active and can injure your ornamental plants.
If you do not want to spend all your free time raking, call your landscape professioal at shoreline Landscape. We have all the tools to do your thatching job.