Helpful Information

What are the different types of grass seed?

Bahiagrass: Bahiagrass is valued for outstanding drought and heat tolerance and an ability to thrive where many lawn grasses falter. Its use in lawns occurs in a very limited region of the southeastern United States. Within this area, Bahiagrass produces a relatively durable, low-growing, low-maintenance turf.

Bermudagrass: Bermudagrass is valued for its exceptional heat and drought tolerance and a capacity to withstand heavy use and recuperate quickly. This combination of qualities leads many lawn owners in the United States to rely on Bermudagrass for its toughness and resilience.

Centipede Grass: Centipede grass is known for its excellent heat tolerance and extremely low maintenance requirements. A favorite of lawn owners interested in minimal upkeep, Centipede grass requires far less attention and input than other grasses in its growing region. However, Centipede has very specific climate and soil requirements that limit its use in the United States, primarily in the Southeast.

Kentucky 31 Tall Fescue: Kentucky 31, known in the seed industry as KY-31 or K-31, helped tall fescue grasses transition from livestock pasture grasses to lush, durable, manicured lawns. It is valued for easy establishment, drought resistance and improved heat tolerance over many other tall fescue varieties.

Kentucky Bluegrass: For many lawn owners in the United States, Kentucky bluegrass is synonymous with the ideal lawn. When given its preferred growing conditions and proper care, this grass produces a dense, lush, durable lawn that lives up to its reputation. This grass requires a relatively high level of maintenance to look its best, but results can be worth it.

Northeast Grass Mix: The cool, humid climate of the American Northeast is tough on plants, including lawn grasses. The Northeast’s cold, long winters and disease-provoking dampness call for superior grass seed varieties bred and mixed specifically to meet the rigors of the region. From Maine to Delaware, choosing a premium grass mix designed to meet the region’s challenges can help you achieve a thicker, lusher, superior Northeast lawn.

Perennial Ryegrass: This hard-working grass is valued for its fast germination rate and quick establishment, which makes it a valuable component in permanent and temporary lawns. Under proper growing conditions in suitable regions, perennial ryegrass forms a lush, fine-bladed lawn that maintains its color into winter.

Tall Fescue: Tall fescue is valued for its adaptability to a wide range of climates and its tolerances for cold, heat, drought and shade. In its preferred growing zones, tall fescue provides lawn owners with outstanding options for improving lawn resilience and durability.

Zoysia Grass: Zoysia grass is known for its ability to stand up to heat, drought, heavy foot traffic and a variety of other challenges. In its optimal growing zones, this tough grass can deliver a beautiful, dense lawn with very little input from you.

Sun and Shade Grass: Lawn grasses vary in the amount of sun they need to stay healthy, look great and perform well. Some types need full, direct sun all day to do their very best. That can be a problem when your landscape is a mix of sun and shade. Shade trees, shrubs and buildings all create shady areas that shift throughout the day and throughout the year.

What are your grass seed recommendations by region?

Whether establishing a new lawn or maintaining an existing one, matching the best cool- or warm-season grasses to your growing region is critical. Choosing the Pennington grass seed that’s suited to your location and goals will help you achieve desired results. By choosing premium lawn grasses designed specifically for regional factors such as humidity, aridity and elevation, you ensure your lawn has every advantage for success:

Northeast Region: Cool-season grasses, such as bluegrasses, ryegrasses and fescues, prevail in the Northeast region of the United States. Northeast lawns need grasses that prefer cool temperatures and naturally resist diseases prevalent in this region.

Midwest Region: The Midwest heartland is a cool-season growing region with humidity levels that vary. The Midwest’s eastern states experience humidity similar to the Northeast, but in western states encounter arid conditions. Bluegrasses dominate, but ryegrasses and fescues also do well with sufficient irrigation in the region’s more arid western portions.

Southeast Region: Heat and humidity in the Southeast region create a warm, humid zone that stretches from the Atlantic Coast into Texas. Warm-season grasses dominate in this climate. Bermudagrass is the leading lawn grass in the Southeast and across the U.S. southern tier.

Deep South and Gulf Coast Region: Where high heat and humidity intensify in the Deep South and Gulf Coast, Bahiagrass and Centipede grass are common. Extremely drought and heat tolerant, these grasses stand up to the region’s climate and water restrictions.

Southwest Region: Beginning in Texas and stretching into Southern California, this region combines saline water and alkaline soil with intense sunlight, high temperatures and varying elevations. Resilient Bermudagrass is widely used in the region, but sufficient watering is essential.

Pacific Northwest Region: Like the Midwest, the West/Northwest region presents diverse growing conditions. Cool, arid inland areas from Montana and Wyoming westward welcome cool-season grasses when adequately irrigated. In this area, east of the Cascade Mountain Range extending from Washington to Northern California, bluegrasses and tall fescues are preferred. West of the Cascades, cool temperatures and the humidity of the coastal Pacific Northwest create conditions similar to the Northeast.

Transition Region: Known to lawn care professionals and enthusiasts as the transition zone, this area covers the central tier of states from the Atlantic Coast west through Kansas. Different climatic zones —cool, warm, humid and arid — collide in this region. Winters are too cold for warm-season grass survival, and summers are too hot for cool-season types.

How much do I need to water grass seed?

For newly planted grass seed, water twice daily so that the top half inch of the soil always remains moist. Stop watering when puddles begin to appear on the soil surface. Once the seeds germinate and grass seedlings begin to grow, gradually transition to watering less frequently but more heavily. Taper off watering as the grass becomes taller and more mature.

How long can I store grass seed?

You can store grass up to two years after the test date, as long as it’s in a cool and dry area. The test date can be found on the seed tag on the back of each grass seed bag.

What is the best temperature to plant grass seeds?

The best temperature to plant grass seed will depend on whether you have a cool- or warm-season lawn. Cool-season grasses should be planted when temperatures are between 60 – 70 degrees during the day and no lower than 50 degrees at night. Warm season grasses should be planted when temperatures are above 75 degrees during the day and no lower than 60 degrees at night.

What is cool-season grass?

Cool-season grasses are varieties that flourish in northern regions, where their growth peaks in the cool temperatures and plentiful moisture of fall and spring. Popular cool-season grasses include fescues, bluegrasses and ryegrasses.

What is warm-season grass?

Warm-season grasses are grasses that have their most active growth during warm seasons, from late spring through summer into early fall. Warm-season lawn grasses do best across the country’s southern tier of states and up into the challenging midsection known as the transition zone, where cool, warm, humid and arid regions meet and merge. Popular warm-season grasses include Bermudagrass, Centipede, and Zenith Zoysia.

What are grass seed growing zones?

Grass seed growing zones are based off of the USDA plant hardiness zone map which is used to determine what plants will thrive in certain regions in the United States. Different grasses do well in different growing zones and choosing the correct grass seed for your region is the first step to a beautiful lawn.

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