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Discussion in 'Pesticide & Herbicide Application' started by Bluffman, Apr 19, 2007.
Too early still or am I ready here in SW metro area?
In Minnesota--apply pre-em now, April 19. On the other hand Scotts suggests between the 2nd and fifth mowing. We like to get ours on before the air temp hits 80.
It's time. Too early was 3 weeks ago when it got warm for a few days.
I always heard to go by soil temp and not the calendar. Usually wait until the soil temp reaches 55 degrees for cool season grasses.
Get a soil thermometer, or stop by a local Lesco, they'll post the morning's soil temp.
Friday I was in at mine, and the temp was 42, that was in White Bear Lake.
Temps next week are highs in upper 50's to low 60's, lows around 40.
You're not late, that's for dang sure.
I'd even say you're still a little early.
I've been doing some here and there, but it's the ones that I know I don't have a problem with, that the customer is paying to have an application done, soo......
I know, I know.. if there's no problem, then why apply at all. Sometimes the customer wants piece of mind.
we started pre-emergents a week ago today(wednesday). took soil temps today and they were at 56 degrees in st. louis park. temps getting up into the 80's starting sunday and going into late next week. if i were you, i would get that stuff down soon.
Soil temps on the east / north side this morning were at 49-52 degrees.
At what depth are you taking the soil temps?
At what time of the day are you reading the soil temps
What is the soil temp required for crabgrass germination?
For how many days?
What is the soil temp required for goosegrass germination?, I realize that's not a concern in mn.
Matt, Wonder what the response's will be from the Mn guys
3. 55 degrees
4. 3 days
Do I pass???
What do you guys think. Did he pass?
Where are you located compared to Minn/st paul area?