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by Green
October 7th, 2022, 10:43 pm
Forum: Cool-season grasses
Topic: Newly Established Tall Fescue - When Should I Overseed to Fill-In Gaps
Replies: 7
Views: 880

Re: Newly Established Tall Fescue - When Should I Overseed to Fill-In Gaps

I would let it get to at least 2 inches before carefully mowing (possibly) with a light mower.
by Green
October 2nd, 2022, 11:31 pm
Forum: Cool-season grasses
Topic: Alternative to Fall Nitrogen Regimen
Replies: 17
Views: 3708

Re: Alternative to Fall Nitrogen Regimen

Anyway, if it helps someone, great. Here is my current non-aggressive "Fall" program iteration. Feel free to borrow ideas and modify. This allows me to get about 3 lbs of N down a year, with some flexibility by modifying when things are applied or eliminating or adding an extra application if needed...
by Green
October 2nd, 2022, 4:58 pm
Forum: Cool-season grasses
Topic: Alternative to Fall Nitrogen Regimen
Replies: 17
Views: 3708

Re: Alternative to Fall Nitrogen Regimen

Thanks, Andy. Wonderful explanation of the "why" behind the every week you've found to works so well. Now I'd like to offer a complementary counterpoint. Personally, I like your approach, and I've done it as written with beautiful results for a couple of years. It works. I don't think there is anyth...
by Green
October 1st, 2022, 10:58 pm
Forum: Cool-season grasses
Topic: Walking on Newly Seeded Area
Replies: 9
Views: 2474

Re: Walking on Newly Seeded Area

Keep it to whatever minimum level you can. And note germination starts when the white root (radical)...emerges about twice as early as the green plant part.
by Green
October 1st, 2022, 10:56 pm
Forum: Cool-season grasses
Topic: Alternative to Fall Nitrogen Regimen
Replies: 17
Views: 3708

Re: Alternative to Fall Nitrogen Regimen

Another potential option if doing higher rate 46-0-0 urea apps less often (e.g. 0.50 to 0.65 lb of N per thousand square ft), and this is not necessarily 100% scientific/foolproof, is to apply humic acid at the same time. It's supposed to bind up the N and keep it from leaving the soil. I wouldn't g...
by Green
October 1st, 2022, 2:03 am
Forum: Cool-season grasses
Topic: Alternative to Fall Nitrogen Regimen
Replies: 17
Views: 3708

Re: Alternative to Fall Nitrogen Regimen

"Organics" are pretty much out now, due to temps. I would get something that is a blend of regular urea and methylene urea (and possibly ammonium sulfate), and do 0.50 lb of N apps every 2 or 3 weeks until the end of your period. Scotts Green Max is a good one. But be aware, it's still mostly fast r...
by Green
September 29th, 2022, 4:31 pm
Forum: Cool-season grasses
Topic: Alternative to Fall Nitrogen Regimen
Replies: 17
Views: 3708

Re: Alternative to Fall Nitrogen Regimen

It gets kind of tricky as things start to cool down more. In my area, basic organics don't do so well after September, for example. Unfortunately, pretty much all Fall active fertilizers for cooler soil temps are going to incorporate significant amounts of urea or ammonium sulfate. There is no way a...
by Green
September 15th, 2022, 2:56 pm
Forum: Cool-season grasses
Topic: TTTF germination in hot air temps.
Replies: 3
Views: 1136

Re: TTTF germination in hot air temps.

No need to wait for air temps in the 70s or even low 80s. And a few days of 90+ won't hurt it, as long as you can keep it watered often enough to prevent the seeds themselves from dying.
by Green
September 15th, 2022, 1:41 am
Forum: Cool-season grasses
Topic: Tough year for the lawn - Advice?
Replies: 13
Views: 2536

Re: Tough year for the lawn - Advice?

I skimmed the thread, and want to make one comment. You noted letting it go dormant every year, but also noted the area dies every year. It's well known that new grass does not often have what it takes to get through its first Summer without help. Many of the most experienced users on here have note...
by Green
September 13th, 2022, 4:02 am
Forum: Cool-season grasses
Topic: I think I messed up
Replies: 14
Views: 2083

Re: I think I messed up

Look into glyphosate tolerant cultivars. An example is "Tarnation GT" TTTF. In this case, tolerant doesn't mean resistant, but it's better than nothing if fighting Zoysia, etc.
by Green
August 24th, 2022, 1:17 am
Forum: Cool-season grasses
Topic: Aeration & Over Seeding
Replies: 4
Views: 867

Re: Aeration & Over Seeding

If you really need to aerate, you can do it if you accept the tradeoffs. It has its uses. But most of the time, it's not needed, even for seeding. A better alternative would be a rake with thin, curved, springy tines, like the groundskeeper, or an electric dethatcher like the sunjoe, used carefully ...
by Green
August 24th, 2022, 1:14 am
Forum: Lawn Care Basics 101
Topic: Darn weather forecast got me again...should have known better
Replies: 5
Views: 1855

Re: Darn weather forecast got me again...should have known better

The famous evaporating rain... When you have a 75-95% chance, and it gets smaller over the course of a period, until it reaches 25-50% chance, and then nothing or almost nothing happens. I think it's a prediction issue most of the time...overstating the chance. I often check the national weather ser...
by Green
August 24th, 2022, 1:10 am
Forum: Cool-season grasses
Topic: Newbie question about urea.
Replies: 7
Views: 969

Re: Newbie question about urea.

46-0-0 urea is essentially all the same and is always 100% fast release N. There can be quality differences occasionally, but I wouldn't get hung up on that unless the product looks like it has a lot of off-color or inert material in it. The only thing that might be a factor from brand to another is...
by Green
August 6th, 2022, 10:31 pm
Forum: Cool-season grasses
Topic: Poa Triv Invasion Counter-offensive
Replies: 43
Views: 3683

Re: Poa Triv Invasion Counter-offensive

Oze, in case your curious: There is an herbicide version with the same active ingredient apparently still made (by the same company that made Velocity). It's an 80% formulation, and intended (labeled) for a different use (not turf). It comes in 2 lb bags and is insanely expensive ($1,000). So, the a...
by Green
August 6th, 2022, 10:22 pm
Forum: Cool-season grasses
Topic: Companion Max Biofungicide questions (2022 update)
Replies: 4
Views: 477

Re: Companion Max Biofungicide questions (2022 update)

It seems pretty good at keeping Brown Patch from getting bad. I tend to use it in mid Summer for this use.
by Green
August 5th, 2022, 1:29 am
Forum: Cool-season grasses
Topic: Is this dollar spot?
Replies: 6
Views: 490

Re: Is this dollar spot?

Look for lesions with hourglass shapes. Sometimes the blades shrink around them in that shape, too. If you see a lot of these over a large area and it seems to keep getting worse and you think you might lose grass due to it, then treating with the proper fungicide for this disease may be warranted. ...
by Green
August 5th, 2022, 1:22 am
Forum: Cool-season grasses
Topic: Companion Max Biofungicide questions (2022 update)
Replies: 4
Views: 477

Re: Companion Max Biofungicide questions (2022 update)

Glenforest, This is extremely helpful. I hope others will follow and provide a comparable level of info so we can figure out the differences, what is the latest packaging, etc. ------------------- My bottle is one gallon, white, does have the air hole, and is from growth products in NY. Ironically, ...
by Green
August 3rd, 2022, 11:45 pm
Forum: Cool-season grasses
Topic: Companion Max Biofungicide questions (2022 update)
Replies: 4
Views: 477

Companion Max Biofungicide questions (2022 update)

Anyone else here currently using "Companion Max" (liquid)? I have a few questions for you. My product that I bought a year and a half ago and am currently using has a 2-0-1 fertilizer analysis, and very obviously contains a good amount of molasses. It came in a gallon. I'll look up and post the bran...
by Green
July 28th, 2022, 1:18 am
Forum: Cool-season grasses
Topic: 4-6 hours Sun or Shade seed?
Replies: 12
Views: 1049

Re: 4-6 hours Sun or Shade seed?

The only standard grasses I'd probably try in that situation would be Fescues. (Currently trying a KBG in such a situation, but I know what's probably going to happen. Heck, it's already happening.)
by Green
July 28th, 2022, 1:14 am
Forum: Cool-season grasses
Topic: Dwarf St. John's Wort herbicide?
Replies: 0
Views: 3538

Dwarf St. John's Wort herbicide?

Anyone have suggestions for what will kill this? I'm thinking Triclopyr amine.

Morph: I know you grow a variant of this plant in your gardens. Maybe you have insight into killing it when it infests a new lawn renovation (year old or so).

Thanks.