Powhatan's 2021 Lawn Journal

Cool season member lawn journals
Green
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Re: Powhatan's 2021 Lawn Journal

Post by Green »

It should start growing a bit in the next week or two with those soil temps.

Good luck on your dormant seeding. Have you found KY-31 planted now can make it through Summer without supplemental irrigation?

I have extensive rehabbing to do on a property due to plow damage. In fact, all of what I seeded last Fall, plus a lot of existing grass, appears to have been plowed up. I likely will have only a relatively short period this Spring to access that property and fix it before I no longer have access. I will most likely need to dormant overseed as part of the repair, and I still have the KY-31 seed. I was impressed with the germination vigor last Fall, even though it was late in the year. I would hope the reseed would persist even once the property is no longer under my care.
Front: Northern mix - mostly TTTF, KBG, TTPR. Back: Firecracker and Bullseye TTTF with America, Rugby 2, Bewitched KBG. Upper Side: Mostly TTPR, KBG. Lower Side: similar to front. Low-input: TF/FF, KBG, PR. Always seeding somewhere or fighting Triv.

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Powhatan
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Re: Powhatan's 2021 Lawn Journal

Post by Powhatan »

Green wrote:
Tue Feb 23, 2021 1:06 pm
It should start growing a bit in the next week or two with those soil temps.

Good luck on your dormant seeding. Have you found KY-31 planted now can make it through Summer without supplemental irrigation?

I have extensive rehabbing to do on a property due to plow damage. In fact, all of what I seeded last Fall, plus a lot of existing grass, appears to have been plowed up. I likely will have only a relatively short period this Spring to access that property and fix it before I no longer have access. I will most likely need to dormant overseed as part of the repair, and I still have the KY-31 seed. I was impressed with the germination vigor last Fall, even though it was late in the year. I would hope the reseed would persist even once the property is no longer under my care.
My area's soil is about 7F cooler now than last year same time. On average mid-Mar is when soil temps reach 50F. So next couple of weeks should start seeing emergence across the board. With soil temps slowly warming all the emergence speed will be like sprout and pout. There's been lots of birds feeding on the lawn, so I'm thinking I may have to broadcast a little more seed next month.

The KY-31 is a very hardy plant and what I've seen it handles heat and drought better than TTTF without irrigation. Like any cool season grass it struggles during the summer, curls, has brown blades, and I'm sure some % dies, but overall it survives through several days of 90F/100F temperatures, then greens back up when temps cool and rains return. I maintain a tall cut to give the grass a better chance to survive summer. Promoting a healthy microbial diversity soil helps a lot.

I have KY-31 growing in the gravel roadside that I don't irrigate, fertilize, or amend the soil in the area. From one KY-31 plant a few years ago to many now.
Last edited by Powhatan on Thu Mar 11, 2021 7:06 am, edited 1 time in total.

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Powhatan
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Re: Powhatan's 2021 Lawn Journal

Post by Powhatan »

Hand-pulled some poa trivialis, mouse-ear chickweed, and hairy bittercress weeds.

Rerouted a gutter downspout to exit into a natural area that has native plants growing instead of exiting into the lawn and causing soil erosion. Filled the soil erosion area with top soil and hand-broadcasted some white & strawberry clover seeds. Clover germinates in cooler soil temps which will put down roots sooner to hold the new soil in place.

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Powhatan
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Re: Powhatan's 2021 Lawn Journal

Post by Powhatan »

Past couple of years my dormant fescue grass seed emerged at year to date (YTD) Growing Degree Day (GDD) ~89 base 50F temp. Yesterday's YTD GDD base 50F was 2 for my area. I'm predicting mid-Mar for grass seed emergence.

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Powhatan
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Re: Powhatan's 2021 Lawn Journal

Post by Powhatan »

Soil temp 54F @ 2" depth. YDD GDD 11.5 base 50F. Warming up. The established clover appears to be actively growing now getting taller than the surrounding dormant grass blades.

Hand-pulled some poa trivialis and lots of hairy bittercress weeds. The bittercress is mainly on the front lawn boarding near the gravel road where I probably didn't put down sufficient fall preM. Last year I remember seeing numerous bittercress weeds all over the gravel road sides.

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Powhatan
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Re: Powhatan's 2021 Lawn Journal

Post by Powhatan »

Hand-pulled orchardgrass and poa trivialis weeds.

The young poa triv are actively growing getting taller than the surrounding desirable dormant grass. The poa triv has horizontally spreading rhizomes with the tillers popping above ground surface away from plant center; this is why you need to spray or physical remove the triv inches further way from plant center.

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Powhatan
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Re: Powhatan's 2021 Lawn Journal

Post by Powhatan »

While waiting for warmer temperatures coming in the next few days ...

Hand-pulled orchardgrass, poa trivialis, and one poa annua that had seed heads starting to appear. Blew off fallen leaves from back woods walking trail and cut up storm felled trees. Performed annual maintenance checks on riding and push mowers. Picked up lawn winter debris. Installed a rain barrel.

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Powhatan
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Re: Powhatan's 2021 Lawn Journal

Post by Powhatan »

Soil temp 50F near the house and 47F in the yard. YTD GDD still at 11.5 base 50F. Air temps been cooler past ~10 days, warmer starting today.

A few new clover emerged from seed, soil still too cold for new grass emergence.

Hand-pulled some more orchardgrass and poa trivialis.

For those that are curious ... the orchardgrass came from the contractor's seed mix that the home builder put down 5 years ago; I've been removing orchardgrass for the past ~4 years, there's no selective herbicide that I know of. And the poa triviallis is not a noxious weed that was included in a seed bag I bought; it was unearthed when the home builder dug trenches in the backyard for the septic drain lines. I unknownly made the mistake of spreading the poa triv more by using a core aerator all over the lawn.
Last edited by Powhatan on Thu Mar 11, 2021 8:38 am, edited 2 times in total.

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Powhatan
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Re: Powhatan's 2021 Lawn Journal

Post by Powhatan »

A lot warmer. Spot sprayed Mirimichi Green Weed Control Concentrate @ 13% mix rate on mouse-ear chickweed and hairy bittercress weeds bordering the lawn. I also sprayed moss growing around the house perimeter ... yep, Mirimichi kills moss.

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Powhatan
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Re: Powhatan's 2021 Lawn Journal

Post by Powhatan »

Soil temps been in the 50sF this week but air temps staying on the cooler side. The YTD GDD is 43 base 50F, which is about half lower than this time last year. I anticipate GDD ~89 is when new grass will emerge.

Raked up straggler fallen leaves and some dead grass.

Birds keep looking for food in the yard and I suspect they are gobbling up some grass seed I put down last month, so I broadcasted some reserve grass seed 30# DLF Pickseed KY-31 and 10# LESCO All Pro Transition TTTF.
Last edited by Powhatan on Mon Mar 29, 2021 7:02 am, edited 1 time in total.

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Powhatan
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Re: Powhatan's 2021 Lawn Journal

Post by Powhatan »

Received some rain last night with additional forecasted next two days. New clover emergence appearing over whole yard. Some new grass emergence near the warmer soil house perimeter.

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Powhatan
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Re: Powhatan's 2021 Lawn Journal

Post by Powhatan »

A lot of the KY-31 clumps are greening and thickening up. Late next month I plan to spray the remainder of N-Ext RGS I have left over to help the grass roots to grow. Then soon after when soil temps reach 60-65F broadcast organic fertilizer and CarbonPro-G.
Last edited by Powhatan on Fri Mar 19, 2021 7:07 am, edited 1 time in total.

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Powhatan
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Re: Powhatan's 2021 Lawn Journal

Post by Powhatan »

Dug up ~4" cores. Interesting to see the soil profile organic matter buildup without and with top growth. This soil was disturb when the home builder removed trees and built the house. The one without top growth and lower OM has dryer soil; the others with top growth have wetter soil and more OM. A core dug just a few feet away from the lawn edge in a native undisturbed area I had to remove about 2" fallen leaf layer to dig the core, the soil there feels sandy vs clay and is very rich in OM.
Last edited by Powhatan on Mon Mar 29, 2021 7:01 am, edited 3 times in total.

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Powhatan
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Re: Powhatan's 2021 Lawn Journal

Post by Powhatan »

~2 days of rain and the sun came out.
Last edited by Powhatan on Mon Mar 29, 2021 7:01 am, edited 2 times in total.

Topic Author
Powhatan
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Re: Powhatan's 2021 Lawn Journal

Post by Powhatan »

Soil temp ~50F; the YTD GDD is 51 base 50F. New grass from seed random emerging all over yard now. Late this week air temps forecasted to be in the high 70s, anticipate will see widespread grass emergence.

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