Time May Be Running Out

Time May Run Out/So Let’s Talk October

Not all have escaped the need to over-seed their lawn. The best time to plant new tall fescue and bluegrass seed is in early to mid-September. Heading into October, people often wonder if it is too late to plant new seed. The seedling grass does need sufficient time to germinate and establish before winter conditions arrive.

October 15 Cutoff Date for Reseeding Kansas City Lawns

Although September is the best time, often we can still plant grass seed up to October 15 with good results. The problem with late-season seeding is that Mother Nature is working against us. Shorter days and cooler temperatures prolong the germination of the seed and its establishment.
Establishment of the tender grass is a must for it to survive the winter. Grass that is seeded late can die as a result of the cold, harsh conditions, or due to drying out. Freezing and thawing of the soil, coupled with a lack of moisture, leaves the tender roots and crowns susceptible to desiccation.

Follow Correct Seeding Steps

Soil Prep: Seeding late into the season still requires the same steps. Proper soil preparation is a must. This is best accomplished by either verticutting the lawn or through core aeration. These machines open up the soil surface and allow the seed to come in contact with the soil.
Irrigate: Timely irrigation is also very important. Once the seed is sown, the upper surface of the soil should remain damp at all times. This may require daily, light applications, as it all depends on the amount of sun and wind. Be prepared to water when needed, as lack of water will slow establishment.

Fertilize: An application of fertilizer at the time of seeding is also a good idea. This will help nourish not only the new seedlings, but will give the existing turf a much needed boost. Pushing the establishing grass with ample nutrients will also help speed up the process and increase winter hardiness.
Mow: Mow the lawn at the normal height, which is between 2 and 3 inches. Avoid the mistake of letting it grow too long, as this reduces the seedling’s ability to develop a nice crown. Clippings do not need to be caught as long as they do not shade out the new seed. Fallen leaves should be picked up to prevent suffocation.

No Herbicides: Do not worry about weeds at this time. No chemical applications can be applied during this process. As a general rule of thumb, no herbicides should be applied until the new grass has been mowed at least twice. Check the product label for specific information.

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2 responses to “Time May Be Running Out

  1. Maybe your post will get me out to do our seeding! Theresa

  2. Be glad you live where you do. Last fall we planted seed and rains didn’t come. We went on a cruise. Replanted and got an early freeze. Had a drab winter lawn. Trying again this year. Interesting info!

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