[ryeguy]

I have a northern mix lawn that's really thin. I have some prg that I want to overseed it with (3 dogs in a small yard, wanted something that establishes quickly).

My main goal is to just make the lawn fuller, but I'd also like it if the prg would take over as much as possible. I realize that a reno is the best option and I won't get anything approaching that level of uniformity. But I'd like to get as close as I can.

With that in mind, is it better to fertilize at seed down or wait until the prg has been mowed? I remember reading somewhere that fertilizing an overseed on day 1 gives the existing grass a head start and lowers the success rate of the overseed. Is that true, or is this not worth worrying about? I'm using milorganite if it matters.

 

[thegrassfactor]

You get a very small release, tiny release from Milo in the short term when applied. It's fine to apply with seed. It won't create that surge growth that could potentially hinder success of seed (which usually isn't an issue)

 

[fusebox7]

I wouldn't fertilize now. For starters it's very early here.

Is reno completely out of the question. Technically, you could glyphosate and fling the PRG the same day. Then you'll definitely have the "PRG takeover" you're looking for.

Anyways, I guess if you're not looking to do a reno, I'd just make sure the seed is kept moist. I personally wouldn't strengthen the other grass when you want the new grass to "take over". When are you planning on seed-down? Soil temps need to come up quite a bit before anything will germinate (PRG is between 50-65 degree soil temps). Once all of the PRG germinates it's pretty much ready to go gangbusters so you could feed the beast at that time.

 

[ryeguy]

I wouldn't fertilize now. For starters it's very early here.

Is reno completely out of the question. Technically, you could glyphosate and fling the PRG the same day. Then you'll definitely have the "PRG takeover" you're looking for.

Anyways, I guess if you're not looking to do a reno, I'd just make sure the seed is kept moist. I personally wouldn't strengthen the other grass when you want the new grass to "take over". When are you planning on seed-down? Soil temps need to come up quite a bit before anything will germinate (PRG is between 50-65 degree soil temps). Once all of the PRG germinates it's pretty much ready to go gangbusters so you could feed the beast at that time.

Don't worry, not seeding or fertilizing yet. It's still too damn cold. But you know this

Not interested in a reno just yet - I'd like to see how far I can get with just overseeding. Even if I decided to do a reno, I'd wait till fall. I just need to cover bare spots now because it means muddy dogs.

I'm curious, have you ever done the glyphosate and prg on the same day reno you mention? I've always wondered if something like that were possible. Prg comes up so damn quickly that I almost wonder if you could skip having a fully brown lawn.

 

[fusebox7]

I'm curious, have you ever done the glyphosate and prg on the same day reno you mention? I've always wondered if something like that were possible. Prg comes up so damn quickly that I almost wonder if you could skip having a fully brown lawn.

I haven't but the key is if the lawn is as bare as you make it sound. The goal will be to get the seed down in the soil. If it sits on top of existing grass or thatch, etc. then it'll germinate and die because it can't root.

If you're just looking for a temporary solution and don't care about anything but filling bare spots then skip the gly phase and just overseed with the PRG. Remember: it still needs to have good soil contact and sufficient water and good temps

 

[rockinmylawn]

What does mixing PRG with other grass types (Northern mix or TTTF) look like?

I read & infer that the vibe is it shouldn't be done & one should have a uniformity with PRG since PRG is a spreader & will overwhelms finer leafed grass cultivars.

But I could be wrong too.

 

[jessehurlburt]

What does mixing PRG with other grass types (Northern mix or TTTF) look like?

I read & infer that the vibe is it shouldn't be done & one should have a uniformity with PRG since PRG is a spreader & will overwhelms finer leafed grass cultivars.

But I could be wrong too.

PRG doesn't have rhizomes or stolons does it? I know it is very competitive, but I didn't know it would spread..

 

[ryeguy]

What does mixing PRG with other grass types (Northern mix or TTTF) look like?

I read & infer that the vibe is it shouldn't be done & one should have a uniformity with PRG since PRG is a spreader & will overwhelms finer leafed grass cultivars.

But I could be wrong too.

A northern mix lawn typically already has prg in it.

Are you maybe thinking of blending prg with kbg when seeding? Prg germinates so quickly and is competitive so it dominates there, but I haven't heard of avoiding overseeding prg into an existing lawn.

 

[Green]

PRG doesn't have rhizomes or stolons does it?

Some of the newer cultivars do...but it's usually stated on the tech sheet. Also, sometimes older types do, too...the genetics tend to drift in a population over time, and you can end up with plants that express that trait. https://www.tandfonline.com/doi/pdf/10.1080/00288233.1979.10420845
https://patents.google.com/patent/US20120124687