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v. de·thatched, de·thatch·ing, de·thatch·es
To remove (dead grass) from a lawn, usually to aerate the soil.
To remove dead grass from a lawn.

de·thatch′er n.


vb (tr)
to remove dead grass from (a lawn)
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Includes turf mowing, edging, sweeping, weeding and weed control, pruning/trimming, mulching, aeration and dethatch of turf, fire ant control, ornamental/annual beds, fertilization and weed control.
The Power Lawn Rake's proprietary features allow it to rake and dethatch a lawn with equal efficacy.
Choate plans to aerate and dethatch at the same time, renting the aerator in the morning and the dethatcher in the afternoon.
They can also help cover seed beds, spread fertilizer, dethatch pastures and lawns (root raking) and a host of other chores.
A: Dethatch after thatch on the ground has built up past 1/2 inch.
Power-rake or dethatch the lawn in early spring before new growth has begun.
If you walk on your lawn and it feels spongy, it is probably time to dethatch. Thatch is a layer of dead roots and stems (not clippings).
Work includes clean and remove off-site, all debris from entire grounds, including lawns, garden beds and paved areas; dethatch lawns; edge garden beds; trim and shape all shrubbery in front of building; Apply spring fertilizer with crabicide to lawn.
Warn customers not to rake or dethatch lawns after applying pre-emergent herbicides.
To protect dormant lawns in areas where watering is banned, limit foot traffic and do not fertilize, dethatch, or aerate the grass.
* To find out how to dethatch and aerate for greener, healthier grass, search for "lawn