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Old 03-07-2016, 06:28 AM
 
Location: Zone 6B ~ Northern VA
1,444 posts, read 2,125,110 times
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Hope everyone is keeping an eye on the soil temperature or just be on the lookout for your local forsythia as a good indicator. It's the one application that more than pays for itself for the remainder of the year. So your lawn looks decent or in good shape now and you figure that you'll just put down some fertilizer and then come June or July you start to see all this weed type grass and you wonder what is taking over your lawn...Crabgrass

There are a number of brands and products out there my preference for the past several years has been less go given their solid performance record and excellent value. For those choosing to avoid any spring fertilizer take a look at Lesco 0-0-7, although this version requires two applications one early spring and another and early summer.

Personally I am using Lesco's 15-0-0 with Dimension.
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Old 03-07-2016, 07:07 AM
 
Location: Eastern Tennessee
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I just put down my crabgrass pre-emergent and I am getting ready this week-end to start killing the crabgrass that survived the winter from last year. We just bought the house last year and unfortunately we live next to a vacant lot with lots of crabgrass and buffalo grass.
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Old 03-07-2016, 07:27 AM
 
Location: Floribama
13,450 posts, read 29,382,516 times
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Quote:
Originally Posted by grampaTom View Post
I just put down my crabgrass pre-emergent and I am getting ready this week-end to start killing the crabgrass that survived the winter from last year. We just bought the house last year and unfortunately we live next to a vacant lot with lots of crabgrass and buffalo grass.
I suspect what many people call crabgrass in our area is really dallisgrass or goosegrass, both very difficult to kill.

Actually I find Bahia grass just as annoying, and the only thing I have found to get it out of my Centipede is a product called Vantage grass killer.
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Old 03-07-2016, 07:28 AM
 
Location: Zone 6B ~ Northern VA
1,444 posts, read 2,125,110 times
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Excellent! Did you use Lesco or Scott's or some other brand?

With the warm temps coming this weekend it won't be long.

Quote:
Originally Posted by grampaTom View Post
I just put down my crabgrass pre-emergent and I am getting ready this week-end to start killing the crabgrass that survived the winter from last year. We just bought the house last year and unfortunately we live next to a vacant lot with lots of crabgrass and buffalo grass.
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Old 03-07-2016, 08:33 AM
 
1,062 posts, read 701,950 times
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Yup I just came across this link that shows soil temps

NJ Statewide Soil Temperatures | New Jersey Weather and Climate Network

Currently sitting at 38-39. But we have a week of high 60s low 70s coming with night time temps only dropping to high 40s. I'm thinking by Thursday soil temps could be hitting 50 so I might put down today or tomorrow.
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Old 03-07-2016, 08:40 AM
 
Location: Zone 6B ~ Northern VA
1,444 posts, read 2,125,110 times
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Very good point.

Here is the classic picture I see a lot of in my area for those who ignore putting down crabgrass preventer.



Quote:
Originally Posted by southernnaturelover View Post
I suspect what many people call crabgrass in our area is really dallisgrass or goosegrass, both very difficult to kill.

Actually I find Bahia grass just as annoying, and the only thing I have found to get it out of my Centipede is a product called Vantage grass killer.
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Old 03-07-2016, 09:30 AM
 
Location: Eastern Tennessee
2,286 posts, read 1,514,221 times
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Quote:
Originally Posted by movin2Reston View Post
Excellent! Did you use Lesco or Scott's or some other brand?

With the warm temps coming this weekend it won't be long.
Lesco using a drop spreader
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Old 03-07-2016, 09:58 AM
 
Location: Zone 6B ~ Northern VA
1,444 posts, read 2,125,110 times
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Nice! Did you use the 19-0-7 or the 15-0-0 or some other version?

If I had a smaller lot I would get a drop spreader, but using a rotary.

Quote:
Originally Posted by grampaTom View Post
Lesco using a drop spreader
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Old 03-07-2016, 02:11 PM
 
Location: Zone 6B ~ Northern VA
1,444 posts, read 2,125,110 times
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Thumbs up Lesco 15-0-0 Dimension

I have seen that one, but here is my favorite.

GDD Tracker 4.0 - Turf Pest Management Tracking and Alerts with Growing Degree Day Models for Michigan, Illinois, Indiana and Ohio - Project initiated by Michigan State University

It really comes down to a timing issue as you don't want to put crabgrass preventer down too early and lose that valuable time but likewise you don't want to be too late with it.

Picked up 3 bags of 15-0-0 Dimension .21% at $33 per bag.

Crabgrass begins to germinate when the average daily soil temperatures reach 57 to 64 įF at a one-inch depth although large quantities of crabgrass seedlings will not start germinating until soil temperatures increase to 73 įF or above at a one-inch depth. (http://purdueturftips.blogspot.com/2...germinate.html)


Quote:
Originally Posted by ericp501 View Post
Yup I just came across this link that shows soil temps

NJ Statewide Soil Temperatures | New Jersey Weather and Climate Network

Currently sitting at 38-39. But we have a week of high 60s low 70s coming with night time temps only dropping to high 40s. I'm thinking by Thursday soil temps could be hitting 50 so I might put down today or tomorrow.
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Old 03-07-2016, 05:13 PM
 
Location: Iowa, USA
338 posts, read 231,724 times
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This is interesting - anyone tried this advice?
organic lawn care with paul tukey: crabgrass control, reducing compaction - A Way To Garden

Quote:
Q. So what about organic control of crabgrass (which so many readers have been writing in about lately)?

A. I get this question a lot at this time of year, tooóďWhat do I do?Ēóand itís really a matter of what you did or didnít do back in April, May and June. If youíve got crabgrass now, thereís not much you can do besides pulling it out.

Donít get too wrung out about killing crabgrass in August, because itís going to be dead at the first frost, anyhow. Itís an annual grass.

But make sure you donít let the crabgrass seed hit the ground. I donít usually like to remove clippings from the lawn, but if you have a lot of crabgrass seed, bag your clippings when you mow the crabgrass this time of year, to gather those seeds, and put them deep in the woods or in a well-heated compost pile.

Step 2: overseed those areas now. [Paul was speaking in late August; in the Northeast, for instance, mid-August through mid-September is prime seeding time].

And get all your raking done this fall.

Crabgrass seed needs light to germinate. In April or May, when you mow too low or rake too vigorously, you create the ideal situation for it to germinate.

Next spring donít mow till the lawn is more than 3 inches tallóand again, do all your raking in the fall. It doesnít need much light, but just a burst of light, so if you mow too low in the spring and rake like crazy, all youíve done is stir up the crabgrass seeds and open up the light.

The other time that crabgrass takes off: when people mow too low or scalp a patch in summer, opening up the light canopy in the lawn, and more crabgrass seeds germinate.

At Glenstone, we mow the lawn at 4 inches high. The crew always wants to go low, but Iím always saying no, no, no, no, noónot till into October here in Maryland (in cooler climates you can go lower a little earlier, and by that I mean down to 3 inches, and maybe 2 and a half).

Then donít leave your lawn too long heading into winter because itís a great haven for field mice and snow moldóso itís a good idea to do that final mowing low, and clean up the lawn then.
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