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The best grass seed for overseeding depends on existing grass, climate, and soil. See our list of the best grass seed for overseeding. Our specially formulated grass seed will give you a lush green lawn with less effort and less watering. Find options for all types of lawns Description An outstanding blend of three of the newest dwarf fescues available. These varieties represent the latest in turfgrass breeding technology

The Best Grass Seed for Overseeding of 2022

Overseeding creates a dense, lush stand of grass—and an overall healthier lawn.

By Glenda Taylor | Updated Jan 4, 2022 11:06 AM

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The best grass seed for overseeding a lawn will depend on the existing type of grass, the prevailing climate, and the soil type. After a few years, even the best-kept lawns can start to look sparse and worn out due to drought, under-watering, overwatering, or even growing a grass variety that’s not well suited to the region.

Overseeding a lawn with a superior variety of grass seed at least once every three years will keep the yard looking its best while helping it resist drought and disease. Ahead, learn what to look for when selecting a seed type, and find out why the following varieties were chosen as the best grass seed blends for overseeding lawns in different regions.

  1. BEST OVERALL:Scotts Turf Builder Grass Seed All-Purpose Mix
  2. RUNNER-UP:Scotts Turf Builder Grass Seed High Traffic Mix
  3. MOST DROUGHT-TOLERANT:Jonathan Green 10316 Black Beauty Grass Seed
  4. BEST FOR SHADE:Scotts Turf Builder Grass Seed Dense Shade Mix
  5. BEST FOR BLUEGRASS LAWNS:Scotts Turf Builder Grass Kentucky Bluegrass Mix
  6. BEST FOR CLAY SOIL:Jonathan Green 10323 Black Beauty Ultra Mixture
  7. BEST FOR WARM CLIMATES:Scotts Turf Builder Grass Seed Southern Gold Mix

What to Consider When Choosing the Best Grass Seed for Overseeding

For the best results, choose a grass seed type that will grow well in your yard. The amount of sunlight the lawn receives, the general climate, and the kind of grass desired are all up for consideration. Additionally, the size of the yard and the seed’s coverage rate will play a role in how much seed you’ll need to overseed the lawn.

Types of Grass Seed

Not all types of grass seed grow well in all areas—some varieties are better suited to cold climates, while others thrive only in subtropical environments. When choosing grass seed for overseeding, select a type based on what grows best in your area. The best grass seed is one that will thrive in the specific region where it’s planted.

For example, grass seed that grows well in the Pacific Northwest may not grow in southern climates. In general, more cool-season grasses are grown from seed than are warm-season grasses. Several warm-season grasses, such as St. Augustine, are propagated by plugs rather than seeds, so overseeding is more common in regions with cool winters.

  • Fescue: Among the fastest-growing grasses, fescue features several types with various textures. It’s prized for its drought resistance, will withstand moderate traffic, and grows in both sunny and shady spots.
  • Kentucky bluegrass: Dense and durable, Kentucky bluegrass is a self-spreading, disease-resistant turf option that will tolerate cold temperatures. It’s not as drought resistant as fescue but provides a lush lawn that tolerates high traffic. The best Kentucky bluegrass seed often comes with a coating that absorbs moisture to help keep the seeds damp until they germinate.
  • Perennial ryegrass: Useful for overseeding moderately cool- or warm-season grasses, perennial ryegrass requires a lot of water and doesn’t grow well in frigid climates.
  • Buffalograss: Prized for its low maintenance, buffalograss thrives in the Midwest and Great Plains. It’s slow to green up in the spring and goes dormant early in the fall, however.
  • Bermuda: Strictly a warm-weather grass, Bermuda produces a lush lawn in sunny yards and is drought tolerant. It doesn’t like cold weather and it doesn’t tolerate deep shade.
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Climate and Sun Exposure

Researchers and seed manufacturers are busy hybridizing grass seed types to thrive in specific climates, such as the warm Southeast or the rainy West Coast, and to grow in harsh sun or dense shade. Most grass seed varieties grow well with full to partial sun, but new and improved versions will tolerate shade as well.

Buyers can often find specialized seeds within the same seed family. For instance, several options are available just within the fescue grass seed type. These include hard fescue that grows in colder climates and high elevations, creeping fescue that will grow even in deep shade, and fastest-growing grasses that withstands heavy traffic but doesn’t like hot weather.

Coverage Area

The amount of seed necessary for overseeding a lawn depends on the type, whether the seed is coated or bare, and the overall condition of the existing lawn. The best rule of thumb is to follow the manufacturer’s coverage recommendations that appear on the bag of seeds.

The coverage area for coated grass seeds is not as high as uncoated seeds because coated seeds are larger, so fewer seeds are present per pound. Spread rate varies by grass type as well, and this will appear on the package. K31 fescue, for example, has a spread rate of 5 to 10 pounds per 1,000 feet, with 10 pounds being the average for establishing new lawns and 5 pounds as the average for overseeding. For the best results, follow the spread rate suggested by the manufacturer.

Low Maintenance

Keeping a lawn healthy and beautiful requires diligence and proper attention. Achieving a maintenance-free lawn isn’t possible, but you can reduce the amount of mowing, fertilizing, dethatching, and watering by choosing to overseed with a grass variety that grows well in the specific region. Generally, a low-growing grass variety, such as buffalograss, requires fewer mowings than a tall-growing variety, such as fescue.

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If watering the lawn is a particularly tedious task, a drought-tolerant variety, such as Bermuda grass, is among the best options for a low-maintenance yard in warm, sunny climates. What is considered low maintenance in one region may be high maintenance in another, so consider choosing a variety that’s well suited or native to the area.

Our Top Picks

Before choosing a grass seed for overseeding, consider the type of existing grass in the lawn. If it’s growing well, overseeding with the same type is recommended. If the lawn is struggling to survive, sparse, and full of weeds or patchy, consider overseeding with a better variety to correct the existing problems. The following seeds are meant for different regions and lawns, but each is a standout in its category.

Grass Seed

Our specially formulated grass seed, TurboTurf™, is high quality, weed-free, and offers high germination percentage rates. The best type of grass for you will depend on your climate.

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Category

Drought Tolerance

Grows in Zones

Shipping Restriction

Sunlight

When to Plant Grass Seed

Fall is best for planting cool-season grasses like Kentucky bluegrass, perennial ryegrasses, and tall fescues. Daytime air temperatures should be averaging between 60 and 85 degrees which translates to soil temperatures between 50 to 75 degrees. Spring is the second best option for cool-season grasses. Warm-season grasses, like Bermudagrass, Bahiagrass, Centipede grass, and Zoysia grass have the most successful germination rates in spring and early summer when daytime temperatures average about 80 degrees.

How to Plant Grass Seed

Test to be sure your lawn pH is between 6.0 and 7.4. Prepare the seedbed and broadcast your seed at the recommended rate. Keep it constantly moist by watering 2 to 3 times per day with a mist spray until germination.

How to Water Grass Seed

Water newly spread seed by lightly spraying 2 to 3 times per day. The goal is to keep the soil moist, but not wet. Once your grass has germinated begin to water heavier, but less often.

When to Overseed?

Late summer into fall and spring are good times to overseed northern yards with cool-season grasses. Southern lawns should be overseeded in the fall with cool-season grass.

How Long for Grass Seed to Germinate

Germination time varies amongst different types of grasses. Even the same seed will germinate at varying rates within different climates. Expect your grass to emerge within 7 to 21 days.

New Millennia™

An outstanding blend of three of the newest dwarf fescues available. These varieties represent the latest in turfgrass breeding technology with improved insect and disease resistance, darker color, finer texture and dwarf growing habit for less maintenance. “New Millennia” is comprised of the highest rated varieties of tall fescue according to USDA tests of tall fescue cultivars. This seed blend has shown in standard tests to be free of crop and weed seeds and is suitable for sod production.

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Characteristics

FEATURES:
  • Medium-fine texture
  • Deep root system ( 1 1/2 – 3 ft.)
  • Heat tolerant
  • Shade tolerant
  • Grows in wide range of soils
  • Reduced vertical growth rate
  • Greater turf density
  • Improved disease resistance to stem & crown rust
  • Newest varieties
  • 100% WEED FREE
BENEFITS:
  • Attractive, uniform appearance
  • Improved drought tolerance
  • Better summer performance than ryegrass
  • Only one grass needed for entire landscape
  • Reduces soil preparation costs
  • Reduced maintenance costs
  • Withstands heavy use
  • Lower maintenance costs and improved turf
  • Genetic improvement over older varieties
  • Produces a professional quality turf

Traffic areas where appearance and low maintenance are important:
Lawns, Playgrounds, Parks, Cemeteries, Commercial developments, Sportsturf.
“Triple Crown Dwarf” is an excellent choice in hot inland valleys where it will maintain its deep green color year round.

Seeding Rates

New turf: 10-12 pounds per 1000 square feet or 400-500 pounds per acre.
Overseeding: 6-8 pounds per 1000 square feet or 250-350 pounds per acre.

Establishment

Emergence: 10-14 days with proper irrigation
First mowing: Approximately 25 days.
First limited use: Approximately 40 days.

Adaptability & Care

Climatic Conditions: All (except high altitude)
Soils: All types
pH range: 5.5 to 6.5 preferred, 4.7 to 8.5 tolerated
Fertilization: 2 to 4 pounds of actual nitrogen per year in a balanced fertilizer
Mowing height: 2-3 inches in warm seasons, 1 1/2- 2 inches in cool seasons.

Quality Assurance

“New Millennia” is a registered trademark of Stover Seed Company and is available only from Stover Seed or an authorized dealer. The ingredients used in “New Millennia” are exclusively distributed by Stover Seed and represent the latest improvements in turfgrass breeding and development. Accept no substitutions.

Ingredients & Specifications

2nd Millennium Tall Fescue
Focus Tall Fescue
Avenger Tall Fescue

98% Minimum purity
90% Minimum germination
0% Crop Seed
0% Weed Seed

Test Data

National Tall Fescue Test
2005 Data
Quality Ratings 1-9; 9=ideal turf
Transition Region

  • Justice (#1 rank) 6.4
  • Avenger* 6.3
  • 2nd Millennium* 6.1
  • Focus* 6.0
  • Regiment II 5.8
  • Jaguar 3 5.7
  • Falcon II 5.6
  • Matador 5.4
  • KY-31 3.4

National Tall Fescue Test
2005 Data
Brown Patch (warm temperature)
Ratings 1-9; 9=No Disease

  • Magellan (#1 rank) 6.3
  • Focus* 5.9
  • Jaguar 3span >5.9
  • Avenger* 5.8
  • 2nd Millennium* 5.6
  • Falcon II 5.1
  • Barlexas 5.1
  • Olympic Gold 5.0
  • Lancer 3.1

To determine whether a cultivar’s performance is truly different from another, subtract one entry’s mean from another entry’s mean. If this value is larger than the LSD value, the observed difference in cultivar performance is significant and did not happen by chance. Complete tables available upon request or contact www.ntep,org.
* Denotes varieties used in New Millennia.

Recent Planting Sites

City of Rancho Cucamonga
Ft Rosecrans National Cemetery, San Diego

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