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Old 04-25-2017, 09:01 AM
 
Location: Zone 6B ~ Northern VA
1,444 posts, read 2,129,634 times
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Speed Zone is not intended for Crabgrass that has already germinated.

NC211 has some good experience in this area.

For the one or two sprigs of Crabgrass I may get each year, I typically just use Weed B Gon with Crabgrass Control.

I always make sure to apply Dimension and then do a second application 90 days later for summer long control.

Quote:
Originally Posted by TEPLimey View Post
Do TZone or Speed Zone work effectively as post-emergents spot treatment for most broadleaf weeds? What about on crabgrass? The prodiamine (Barricade) did a lot to prevent the crabgrass, but there are still a few around.
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Old 04-25-2017, 10:11 AM
 
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Dandelions....I have tons of them. How can I get rid of them once established? Right now they are all "yellow" so I def want to do something soon before they go to seed.
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Old 04-25-2017, 11:51 AM
 
Location: Zone 6B ~ Northern VA
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First cut the grass WITH THE CATCHER... Dont want all those seeds hitting the ground.

Then spray with either of the two mentioned herbicides.

The thicker the lawn and taller you cut it, less opportunity for weeds.

Quote:
Originally Posted by BostonMike7 View Post
Dandelions....I have tons of them. How can I get rid of them once established? Right now they are all "yellow" so I def want to do something soon before they go to seed.
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Old 04-25-2017, 12:43 PM
 
Location: D.C.
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To kill off the crabgrass, no matter how mature it may be, I highly highly recommend something called "Drive XLR8", which you can find on Amazon for about $70 (or at your local farmer co-op for probably $50). Mix it with methylated seed oil in your tank so it sticks to the crabgrass, and you're good to go. It'll go brown in about 5 days, dead as dirt in 10 days.

I like Drive XLR8 because you can also reseed the area at the same time. It will not harm the new seeds or prevent them from germinating. If you look at my photo on the previous page whereby the grass has been cut, that entire area all the way down along the road was completely infested and overtaken by crabgrass last September. I used Drive XLR8 on it one time and seeded at the same time. Two weeks later the lawn was aerated and I overseeded again with the same tall fescue seed. Now, no signs whatsoever that crabgrass was ever in my lawn to begin with. When I say it was infested with it, I mean it was soooo dense that the lawn mower would bog down with trying to cut it all last August.

I bought a 1/2 gallon of Drive XLR8 last fall. Via backpack sprayer, I coated the entire lawn (it was all over my back yard too then). I have probably 70% of that 1/2 left to use again and again. I have a .39 acre lot that I would say is 1/2 grass. The remaining is the home, driveway, patio, and mulch beds.


My goal for weed management in general is hopefully to just spot-treat here and there when one pops up. Instead of dragging out the backpack sprayer every time, I have now filled 3 hand spray bottles from Home Depot with a mixture for each of my herbicides: One with TZone SE, one with Tenacity, and one with Drive XLR8. I spot a bloom of crabgrass showing up while mowing, it's a one or two squirt of Drive. See a broadleaf weed of any sort, one or two squirts of TZone. See a grassy weed, again one or two squirts with Tenacity. The hope is that I can maintain enough grass density to keep most weeds out naturally in general, but know I'll get a few here and there.
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Old 04-25-2017, 12:52 PM
 
Location: D.C.
1,816 posts, read 1,547,786 times
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Quote:
Originally Posted by movin2Reston View Post
First cut the grass WITH THE CATCHER... Dont want all those seeds hitting the ground.

Then spray with either of the two mentioned herbicides.

The thicker the lawn and taller you cut it, less opportunity for weeds.
110% agree! Bag the first mow for sure to clean up the grass. Also agree that either herbicide will work.
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Old 04-25-2017, 05:40 PM
 
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Good info. What products does everyone like for fungicide and grub prevention?
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Old 04-25-2017, 06:13 PM
 
Location: D.C.
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I'm a fan of granular Caravan G by Syngenta, but that's before I bought a backpack sprayer, so I'm looking at liquids now instead. M2Reston posted up a nice list in another thread that had some good info!
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Old 04-26-2017, 06:56 AM
 
8,711 posts, read 8,906,804 times
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Quote:
Originally Posted by movin2Reston View Post
First cut the grass WITH THE CATCHER... Dont want all those seeds hitting the ground.

Then spray with either of the two mentioned herbicides.

The thicker the lawn and taller you cut it, less opportunity for weeds.



Roger that. Bought some of the hermbicide, and will do a cut with bag as soon as it stops raining.




Most of the weeds I inherited from before there was grass. The grass did a good job filling in from last fall's seeding, but now I just need to kill off the weeds to let it fill in those spots.
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Old 04-27-2017, 08:57 PM
 
Location: Zone 6B ~ Northern VA
1,444 posts, read 2,129,634 times
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Great minds think alike.

Quote:
Originally Posted by NC211 View Post
110% agree! Bag the first mow for sure to clean up the grass. Also agree that either herbicide will work.
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Old 04-27-2017, 09:06 PM
 
Location: Zone 6B ~ Northern VA
1,444 posts, read 2,129,634 times
Reputation: 422
http://www.city-data.com/forum/47977964-post146.html


Quote:
Originally Posted by TEPLimey View Post
Good info. What products does everyone like for fungicide and grub prevention?
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