Tough, warm-season lawn weeds , such as crabgrass and nutsedge , are less active in fall, too. The Turfgrass Water Conservation Alliance service recommends overseeding at least 45 days before your average first fall frost.
For winter color, overseed southern lawns in fall. Mow your lawn extra short and remove the clippings, so new seed contacts soil and gets sunlight and water. Set your mower at two inches or less for regular overseeding. For southern lawns and winter color, set the blade as low as it goes, and cut just above the soil—what's known as scalping. Rake the soil with a metal thatch rake to remove thatch , clippings and debris. This loosens and exposes soil to receive seed. For troubles beyond normal thinning, test your soil and make corrections before overseeding.
Follow test recommendations for using soil amendments and repairing bare lawn spots. If needed, take time to dethatch and core aerate compacted lawns so air, moisture and seed can get to the soil. Pennington One Step Complete products combine premium seed with a stabilized-release fertilizer and wood mulch to simplify lawn repairs.
Better seed yields better lawns. Always use grasses recommended for your regional climate and choose top-quality grass seed you can depend on. Pennington Smart Seed products provide premium grass seed appropriate for sun, shade or high-traffic areas in lawns in northern or southern regions.
Three-in-one Pennington Lawn Booster combines superior Smart Seed varieties with premium-grade fertilizer and soil enhancer. Apply seed at label-recommended overseeding rates, using the lawn spreader that suits the job. Use drop or broadcast spreaders for large lawns and handheld spreaders for smaller areas. For small spots, simply seed from your hand.
Work when the air is calm, so seed distributes evenly. Starter fertilizer, such as Pennington Ultragreen Starter Fertilizer , delivers essential nutrients for new grass.
Phosphorus supports vigorous root growth, while nitrogen fuels top growth and greening. Some states and counties restrict phosphorus lawn fertilizers due to environmental concerns regarding runoff, but exceptions may be made for new seedings. Check with your local county extension agent about nutrient application restrictions. Newly overseeded lawns need consistent moisture.
The newer turfgrass varieties are better able to resist damage from drought, diseases and lawn damaging insects. The best time to overseed your lawn depends on where you live. In the cooler northern climates, the best time to overseed is in late summer to early fall. Soil moisture needed for germination is more favorable as well. Spring is an alternate time if not completed in fall, but do as early as possible to allow seedlings enough time to establish before summer heat begins.
Your lawn care company may be able to perform lawn overseeding, which take the pressure off you as a homeowner. Your lawn care company know the best grass varieties for your region of the country and your specific lawn needs.
Seed germination and establishment requires good contact of seed with soil. Inspect your lawn for presence of thatch. If too thick, its best to aerate your lawn before overseeding or if filling in patches remove the thatch and dead grass before spreading seed in bare areas of your lawn. To prepare your lawn for overseeding, cut the grass short, using the lowest setting on your mower.
If cutting your lawn short before overseeding, bag the clippings. While you might normally leave them to help feed the lawn, you want to remove the clippings so that the grass seed can make good seed:soil contact for faster germination.
After mowing, rake your lawn to remove any remaining debris and thatch, and to loosen the top layer of soil. When choosing seed, be sure to select the right seed for your region of the country and for your yard conditions, and follow the package directions on your chosen grass seed.
Use a seed spreader to make the job faster and ensure that the seed is spread evenly. If your soil is especially compacted, you may wish to aerate the lawn before you overseed.
Keep in mind, though, that if you aerate before overseeding, you need to choose a type of grass seed that spreads easily, such as bluegrass. Otherwise, the seed is likely to get caught in the aeration holes, creating a patchy or clumpy lawn. Watering is one of the most important aspects of successful overseeding.
Regular seeding of your lawn can in turn save your time in long run. Lawns are made up of lots of little grass plants. Some of these die every year and need to be replaced. To keep your lawn looking thicker, fuller and lush, new seeds need to be sown to replace the old grass. This is what we refer to as over-seeding your lawn. It is best to over-seed your lawn twice a year, once in the spring and once in the autumn. You need to over-seed in spring to prepare for the intense usage and wear and tear during the summer months.
In autumn, over-seeding helps to repair any damages and patches caused by the summer. Furthermore, weeds are less active during the autumn months. Therefore grass seeds can germinate freely without competition, resulting in less weed problems. To prevent moss, fill in any patchy areas with lawn seed before moss starts to grow.
This usually happens later on in the autumn and in early spring.
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