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Weed Help - Celsius?

Posted on 8/6/21 at 7:28 am
Posted by Lazy But Talented
Member since Aug 2011
14890 posts
Posted on 8/6/21 at 7:28 am
Have a handful of different weeds types in my yard - mainly the backyard.

It's new burmuda sod that was installed in April. I don't believe any pre-emergent was applied, just some post emergent around early June by a lawn company.

A few questions:
1. Is Celsius enough to knock out these weeds? How often do you have to apply?
2. Should I be bagging the yard instead of mulching due to the weeds?
3. What is the weed in the first picture with the purple roots? There are taking over the area near my neighbor's and my mailbox.





Posted by ronk
Member since Jan 2015
6966 posts
Posted on 8/6/21 at 8:23 am to
Barnyard grass, spurge, nutsedge and what looks like the beginning of pigweed. Celsius will knock out all but the nutsedge. You'll need sedgehammer for that. You can spray the weeds and then wait two weeks. If you missed any weeds you'll know because they will not be curled or yellowing/browning.

Don't bag. You only bag the first mow of the year when you scalp. There are one offs when you should bag but I don't see why you should.

When was the yard fertilized? Looks like it could use it.
Posted by Lazy But Talented
Member since Aug 2011
14890 posts
Posted on 8/6/21 at 8:36 am to
quote:

When was the yard fertilized? Looks like it could use it.



On June 11th they did the following:

18-24 -12 STARTER FERTILIZER
3 WAY... CELCIUS... AND A SURFACTANT/ STICKER



I would like to learn how to do all of this myself. As I want to have pride in my first lawn.


ETA: Ronk, is that first photo with the purple roots the barnyard grass? It's spreading like wildfire near any permanent objects in the front yard.
This post was edited on 8/6/21 at 8:40 am
Posted by Major Dutch Schaefer
Location: Classified
Member since Nov 2011
35569 posts
Posted on 8/6/21 at 9:11 am to
quote:

ETA: Ronk, is that first photo with the purple roots the barnyard grass?


Not ronk, but yes.
Posted by ronk
Member since Jan 2015
6966 posts
Posted on 8/6/21 at 9:11 am to
Yes, that is barnyard grass. 18%N, does it says how many pounds per thousand they put down? If the yard has been down since April it is time for a high N fert.
Posted by Lazy But Talented
Member since Aug 2011
14890 posts
Posted on 8/6/21 at 9:19 am to
Found the invoice:



Is there a specific product you'd recommend for fertilizer in DFW? Lot is in the sun majority of the day. Not much shade at all.
This post was edited on 8/6/21 at 9:20 am
Posted by Clint Torres
Member since Oct 2011
2789 posts
Posted on 8/6/21 at 9:53 am to
how much celsius in a 1 gallon sprayer for spot spraying?
Posted by PillageUrVillage
Mordor
Member since Mar 2011
15351 posts
Posted on 8/6/21 at 10:00 am to
Ronk’s chart really should be stickies at the top of the board.

ETA: crap, wrong one. Give me a sec.

Correct chart
This post was edited on 8/6/21 at 10:03 am
Posted by Clint Torres
Member since Oct 2011
2789 posts
Posted on 8/6/21 at 10:01 am to
hmmm... thanks.. any idea what the equivalent teaspoons would be?
Posted by PillageUrVillage
Mordor
Member since Mar 2011
15351 posts
Posted on 8/6/21 at 10:07 am to
This is from the label:

Posted by Clint Torres
Member since Oct 2011
2789 posts
Posted on 8/6/21 at 10:12 am to
perfect... really appreciate that
Posted by ronk
Member since Jan 2015
6966 posts
Posted on 8/6/21 at 10:17 am to
It's a bit strange that they put dicamba down twice. It is one of the active ingredients in Celsius and then it is listed under weed con as well. Also a bit strange that they used 2,4-D in June.

Site One will have a fert in the low 30's that you can apply at 4lbs per thousand.
Posted by CrawDude
Baton Rouge
Member since Apr 2019
5609 posts
Posted on 8/6/21 at 10:22 am to
quote:

hmmm... thanks.. any idea what the equivalent teaspoons would be?


Well for the surfactant the 9.5 mLs is 2 teaspoons. But I think 0.113 oz = 3.2 grams is roughly equivalent to 3/4 of a teaspoon - I base that on 0.5 gram of MSM Turf is right at 1/8 teaspoon.

Personally, I always weigh Celsius using a mini-food/jewelers scale like this b/c sometimes I use different application rates based on what weeds I’m spraying as per label suggestions.
Posted by Lazy But Talented
Member since Aug 2011
14890 posts
Posted on 8/6/21 at 10:31 am to
quote:

Site One will have a fert in the low 30's that you can apply at 4lbs per thousand.



Thinking about running over there today to see if one of them can walk me through everything.

ETA: Is there a steep learning curve to understanding lawn care and maintenance? It all seems over my head, but I'm assuming just like anything else it takes a little time to get everything right.
This post was edited on 8/6/21 at 10:42 am
Posted by PillageUrVillage
Mordor
Member since Mar 2011
15351 posts
Posted on 8/6/21 at 10:37 am to
I finally broke down and bought one of those scales. I feel much more confident in my measurements now.
Posted by CrawDude
Baton Rouge
Member since Apr 2019
5609 posts
Posted on 8/6/21 at 10:47 am to
quote:

finally broke down and bought one of those scales. I feel much more confident in my measurements now.


I forgot the volume (teaspoon/tablespoon) measurements was also on the Celsius label - looks like 1 teaspoon, not 3/4 teaspoon, is equal to 0.113 oz/3.2 grams per gal - appears Celsius is less dense than MSM Turf.
Posted by PillageUrVillage
Mordor
Member since Mar 2011
15351 posts
Posted on 8/6/21 at 10:58 am to
I did the volumetric measurements for a while but I was never really all that confident in doing it that way. I have several sets of measuring spoons. I weighed Celsius out on my scale with every teaspoon I own and they were all slightly different, but still fairly close for the most part.

Anyway, I figured between the Celsius and the Prodiamine, it was needed. It was a solid $15 investment.

Also, I finally calibrated my backpack sprayer and mapped out the square footage of my yard. I’m ready for war.
This post was edited on 8/6/21 at 3:26 pm
Posted by 2BRKnot
Member since Jul 2020
425 posts
Posted on 8/6/21 at 11:27 am to
[how much celsius in a 1 gallon sprayer for spot spraying?]

1 teaspoon per gallon, and 2 teaspoons of surfactant .
Posted by ronk
Member since Jan 2015
6966 posts
Posted on 8/6/21 at 2:04 pm to
Site One can set you up. They have spreaders, handcans, backpacks, tons of ferts, insecticides, and herbicides. A good start (it is pricey) is a 50# lesco spreader, 4 gallon backpack and a 2 gallon handcan. Products would something close to 33-3-6 fert, celsius, and talstar.
Posted by Lazy But Talented
Member since Aug 2011
14890 posts
Posted on 8/6/21 at 4:23 pm to
Appreciate it. Will get by there this week.
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