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-   -   Effectiveness of "chem lawn" treatments (http://www.diychatroom.com/f16/effectiveness-chem-lawn-treatments-153328/)

Cultcab 08-11-2012 12:27 PM

Effectiveness of "chem lawn" treatments
 
Our lawn in Northern California (originally tall fescue) has been taken over by weeds - mostly clover but also some "nut grass" and the very thin grass that almost looks like small rice reeds. I fertilize 3 or 4 times a year with a weed and feed, but it's now about 50% weeds.

How effective are the "true chem" or "green chem" companies that promise complete removal of the weeds with their treatment services?

Are there any at home treatments that could be effective in reducing the level of weeds?

I've almost resigned to the fact that we're eventually going to have to re-sod but I'd like to save myself $2000 if I can.

Thanks!

iamhomer 08-11-2012 12:59 PM

Follow scotts 4 step program. or click here

http://www.scotts.com/smg/learn/annu...requestid=4167


for "Nut Grass" use http://www.amazon.com/gp/product/B00...ls_o02_s00_i00

mown your lawn short and overseeds over the winter


hope that help

user1007 08-11-2012 01:45 PM

You might try a hose end product like WeedBGone or other brand with 2-4-D as the active ingredient on the clover and broadleaf weeds. The grass might be trickier. You could try something like a crabgrass killer but you may have to resort to a systemic like RoundUp and live with some brown patches for a time. Or dig them out and plug with sod of the good grass.

If the whole lawn has gone mostly to weeds, you may be better off starting over. Spray the weeds with RoundUp, till and ammend the soil, pull out clumps and rake smooth. I would hydroseed rather than sod though. Hydroseed will establish faster than sod at a fraction of the cost.

The suggestion to dethatch or power rake and overseed and top dress this fall is worth a shot but you have to get the weeds out of the way first.

I loved planting lawns in the Fall. Climate was perfect for establishing strong roots and stems without stress on grass blades. Even in the Midwest there is usually no danger of a hard ground freeze until Jan/Feb and snow is actually a good insulator.

jburchill 08-13-2012 03:10 PM

If you spray your yard with Round up, wouldn't that kill the seed that will be planted? I wouldn't recommend spraying my yard with round up. Wouldn't want to take the chance the stuff is still in the soil when I planted grass.

I would have it sprayed for weeds with something stronger than weed b gone. I had my yard sprayed professional only 50 bucks for front and back yard. Average size yard, and that killed all the weeds and left the grass. He used Trimec. Next time I will buy it myself and try it so I don't have to pay someone else.

After the weeds are gone, I would dethatch or power rake as suggested by sdsester then plant grass. I wouldn't sod or hydroseed if you want to save money. Grass seed is just as good and cheaper, just takes longer. After a flood I was quoted 2100 bucks to have it hyrdoseeded. I bought a wheelbarrow and seed and dirt for like 500 bucks and my lawn looks just as good as my neighbors how payed to have it hyrdro seeded. Mine took a few more weeks for it to grow, but I saved money and didn't have to mow as soon.

Canarywood1 08-13-2012 05:43 PM

How effective are the "true chem" or "green chem" companies that promise complete removal of the weeds with their treatment.

Thats about all you'll get from them is a promise,save your money and do it yourself.

user1007 08-14-2012 07:12 AM

Quote:

Originally Posted by jburchill (Post 987670)
If you spray your yard with Round up, wouldn't that kill the seed that will be planted? I wouldn't recommend spraying my yard with round up. Wouldn't want to take the chance the stuff is still in the soil when I planted grass.

Round up is a post-emergent systemic herbicide and will not effect seed germination. I would seed after RoundUp application though.

Any time you can avoid introducing and herbicide of any kind it is a good idea. Some times, as when starting over, there are not many viable options. Consumers have a tendancy to think of the amounts to mix on the label work well, twice as much will work better. Not so and why more and more herbicides are being banned for overuse.

jburchill 08-14-2012 08:32 AM

how long does round up stay in the soil? Some say kills weeds up to three months(I never seen that actually happen)...but if you spray round up, put seed in, then seed turns to grass and if round up is still in soil wouldn't it kill it?

bsmith717 08-23-2012 10:08 PM

Maybe the compettition is heavy here where I live but I cant fertilize/weed my lawn for cheaper than I can have a company do it. Plus this comes with their guarantee and me sitting back and not doing a thing! The past years I have used Scotts lawn care and was very pleased with them but when my neighbor hired this other company (after many conversations about how beautiful mine was!) I decided to give them a try. Not only were they cheaper but they treat nutsedge/water grass for free as long as its not over 2500 sq ft and apply lime for free at the end of the season. This is 7 applications for the year.

Im really trying to be rational since its been hotter/drier this year than ever and thats why my lawn looks the way it does (lack of water!!!) so well see what happens this fall.

FYI, the first year I used a lawn care company in my first home, the lawn which was infested with weeds/crabgrass/crap, was beautiful and weed free the following spring. True story!

chrisn 08-24-2012 03:43 AM

Quote:

Originally Posted by jburchill (Post 988258)
how long does round up stay in the soil? Some say kills weeds up to three months(I never seen that actually happen)...but if you spray round up, put seed in, then seed turns to grass and if round up is still in soil wouldn't it kill it?





ahhhh, NO:no:

as SD has ALREADY posted

"Round up is a post-emergent systemic herbicide and will not effect seed germination."


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