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#1
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Dumping soil on top of grass ???
Just finished a retaining wall and will be putting about 12 - 14 " of
soil on top of an area 10' x 20'. currently filled with grass. Question ??? Can I just put weed block down and dump 14" of soil on top of the existing grass. Will this kill the grass completely. Or should I use Round-Up or a herbicide first to kill the grass. I'd like to finish the job quickly, and hate to wait for the round-up to work... if the grass dies under the load of soil that's good enough for me. Your advice??? |
#2
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Dumping soil on top of grass ???
Hi Peter,
On Wed, 18 Jun 2003 16:06:08 -0400, Peter wrote: Question ??? Can I just put weed block down and dump 14" of soil on top of the existing grass. Will this kill the grass completely. Or should I use Round-Up or a herbicide first to kill the grass. Oh, that should kill it alright. The grass would be hard pressed to survive when buried beneath 14 solid inches of dirt. With the weedblock added in for good measure, you should be good to go. If concerned, you could always do the round-up anyways. No need to wait for it to kill the grass entirely. Spray, leave overnight to dry and to be absorbed, then dump away. Doug. |
#3
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Dumping soil on top of grass ???
On Wed, 18 Jun 2003 16:06:08 -0400, Peter wrote:
Just finished a retaining wall and will be putting about 12 - 14 " of soil on top of an area 10' x 20'. currently filled with grass. Question ??? Can I just put weed block down and dump 14" of soil on top of the existing grass. Will this kill the grass completely. Or should I use Round-Up or a herbicide first to kill the grass. I'd like to finish the job quickly, and hate to wait for the round-up to work... if the grass dies under the load of soil that's good enough for me. Your advice??? I doubt most lawn grasses can survive a foot of soil on top. Mow the area short, then cover with soil. The weed block won't do much good. |
#4
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Dumping soil on top of grass ???
Peter wrote in message ... Just finished a retaining wall and will be putting about 12 - 14 " of soil on top of an area 10' x 20'. currently filled with grass. Question ??? Can I just put weed block down and dump 14" of soil on top of the existing grass. Will this kill the grass completely. Or should I use Round-Up or a herbicide first to kill the grass. I'd like to finish the job quickly, and hate to wait for the round-up to work... if the grass dies under the load of soil that's good enough for me. Your advice??? Depends on the grass species. Bermuda will survive and bedevil you with new runners sent up for years to come. It will sometimes survive spraying with Roundup too. Even "extra strength" Roundup. It is evil. Sunflower MS 7b |
#5
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Dumping soil on top of grass ???
Just finished a retaining wall and will be putting about 12 - 14 " of
soil on top of an area 10' x 20'. currently filled with grass. Question ??? Can I just put weed block down and dump 14" of soil on top of the existing grass. Will this kill the grass completely. Or should I use Round-Up or a herbicide first to kill the grass. I'd like to finish the job quickly, and hate to wait for the round-up to work... if the grass dies under the load of soil that's good enough for me. Your advice??? Chuckle With 12"-14" of soil going over top of it, I sincerely doubt you have much to worry about unless if you haven't cut the lawn yet this year. On the off chance that there's something else a little more aggressive growing in there, cut it short, cover the area with 5-10 pages of newspaper (only the regular section, not the glossy) then fill it in -- this will add to the soil as well. FWIW, as you fill this area in you may want to add organic material (i.e., compost) in with the new topsoil. This will help build healthy soil for planting purposes. What will you be planting over the area? If it's a vegetable garden now would be an excellent time to prep the perfect planting soil. James |
#6
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Dumping soil on top of grass ???
I use the weedblock material and dump soil on top when building raised beds
for myself and my customers. It works beautifully. The grass decomposes and I've never had a reoccurrence of grass coming up. I own a flower planting service in Raleigh, NC and this area has very hard orange clay, so digging is not always the easiest approach. Penny Zone 7b - North Carolina Peter wrote in message ... Just finished a retaining wall and will be putting about 12 - 14 " of soil on top of an area 10' x 20'. currently filled with grass. Question ??? Can I just put weed block down and dump 14" of soil on top of the existing grass. Will this kill the grass completely. Or should I use Round-Up or a herbicide first to kill the grass. I'd like to finish the job quickly, and hate to wait for the round-up to work... if the grass dies under the load of soil that's good enough for me. Your advice??? |
#7
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Dumping soil on top of grass ???
Thanks to all for your advice. I've still got a couple of good hours
of sunlight left... time to lay down the weed block.........some paper for good measure... and then a few dozen wheelbarrows from the compost heap. Thanks again for your help, I really didn't want to waste the time with round up, needlessly. (esp with ornamentals in the area) Off to work I go !!!! Thanks again !!! |
#8
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Dumping soil on top of grass ???
"Sunflower" , if you're frightened, you
can be frightened, it's okay: Depends on the grass species. Bermuda will survive and bedevil you with new runners sent up for years to come. It will sometimes survive spraying with Roundup too. Even "extra strength" Roundup. It is evil. Aye, Johnson grass as well. Putting down cardboard overlapping and putting dirt on top of that or several layers of newspaper (thick, not a thin layer that a runner will easily poke through) might handle bermuda, but I haven't tried that. I actually intend to try it soon though as I want to terrace a hillside and I also wish to do it the easy way. The bermuda is rampant here and so is the Johnson grass, although I have been slowly but surely eliminated the latter since I moved into this house. |
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