Overseed jobs... abort due to low overnight temps or opt for Dormant seeding?

[Exact Rototilling]

Overseed jobs ... abort due to low overnight temps or opt for Dormant seeding and spray paint mark sprinkler heads due to irrigation blow outs....?

This happens every year. Swimming at the lake one weekend then cold weather hits with a vengeance.

For cool season grasses what is lower ideal germination limit for overnight temps for ideal germination results....? Then combine that most sprinklers are being blown out now.

The other glitch is our September has been brutally dry and warm and even the irrigated lawns with marginal coverage have been hit hard.

Anyhow just a bit frustrated...what is YOUR criteria for overnight and daytime temps for good overseed results....? Like I said I’m at the point were I’d prefer to just spray paint sprinkler heads and wait till February or early March and do an dormant seeding and call it good. The huge advantage is zero worries about irrigation from spring rain etc.

[R & R Yard Designs]

Just seed it.
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[RigglePLC]

Is this bluegrass and rye? My opinion, is after a few good frosts its time to shut down. Day temps in the 50's is barely warm enough. I find that grass does not do anything below 45 degrees. So 45 days and 29 degrees at night--not much will happen.

Remember that cold soil temperatures in spring will persist until about the first mowing. I wouldn't seed much before the first mowing. April 15 in my neighborhood.

[Smallaxe]

Dormant Seeding occurs before winter not after...

[bigslick7878]

60 during the day 40 at night is fine. It will take longer for the seed to come up but it will. Ground temps around 45 in your neck of the woods, that is borderline.

I have seeded with daytime temps in the lower 50''s night in 30's before, fescue took a month to come up.

[DA Quality Lawn & YS]

I just seeded today, slice seed job on 10k sq ft. Highs over the next week look to be around 60 degrees. Lows look to be around 35. This is avg, some warmer daytime temps some colder nighttime temps. My mix was 50% Per Rye and 50% KBG. Full sun lawn. I don't hold out tremendous hope for the KBG, but the Rye ought to come up and establish before it really gets cold out. That said, I won't be doing much seeding after today.

[Smallaxe]

All the seeding done in the past month is not even considered seeded yet, its so dry... It will be considered seeded when the first rains finally show up... very interesting to see what is learned from this weather pattern and its impact on unirrigated lawns...

We've seeded irrigated lawns in October before and they did fine... tonite we're looking at 13 hrs below freezing with the coolest temp hitting 19 degrees... interesting seeding season indeed...

[bigslick7878]

I got lots of time left, ground temps still around 60 in my neck of the woods.

[DA Quality Lawn & YS]

I'd say you advise customers of the risk of seeding in October and if they want it anyway and are willing to water, by all means throw seed.

[Smallaxe]

One of the simplest things in the world is to grow grass... it can become expensive if you want to Aerate, De-thatch, remove thatch, mow low, slit-seed(2 directions), cover in straw or mulch, water, water, water 2-3 times per day, and starter fertilizer... but only if you want to...

With normal weather conditions you can get grass to grow, a little here and a little there,,, if you want to as well... that is simply putting seed where you want it over a period of time and eventually it will grow...

Then there is another way,,, the right way, the proffessional way!!! a cost efficient strategy that succeeds over short periods of time...
"What is it?" and what does it have to do with the tempurature right now??