10 bestThick Grass Seedof July 2025
112M consumers helped this year.
8% off
1

Scotts Turf Builder Quick + Thick Grass Seed (Sun Shade) 4kg (12655A)
Scotts

9.8
18% off
2

Scotts Turf Builder Quick + Thick Grass Seed (Sun Shade Mix) - 1.2kg
Scotts

9.6
12% off
3

Scotts Turf Builder Quick + Thick Grass Seed (Dense Shade) 1.2kg (12675) & Turf Builder Quick + Thick Grass Seed (Sunny Bluegrass) 1.2kg (12665), Green
Scotts

9.3
4

Scotts Turf Builder Quick + Thick Tough & Resilient Grass Seed Mix - 1.2kg
Scotts

9.0
26% off
5

Scotts Turf Builder Quick + Thick Grass Seed (Dense Shade) 1.2kg (12675)
Scotts

8.7
OtherUp to 19% off
6

Scotts Turf Builder Quick + Thick Grass Seed (Sunny Bluegrass) 1.2kg (12665), Green
Scotts

8.4
23% off
7

Jonathan Green 40321 Black Beauty Ultra Grass Seed, 3 lb
Jonathan Green

8.1
8

Jonathan Green & Sons, 3 lb, Dense Shade Grass Seed Mixture
Jonathan Green

7.8
9

BARENBRUG USA TVKBG7 TV 7 lb Kentucky Bluegrass Seed
Barenbrug

7.5
10

Jonathan Shady Nooks Grass Seed 7Lb
Jonathan Green

7.2
A Guide to Selecting the Best Thick Grass Seed
Choosing the right grass seed for thick, lush lawns can make a big difference in how your yard looks and feels. The best approach is to match the seed type to your climate, soil, and how you plan to use your lawn. Understanding the key features of grass seed will help you select a product that grows well in your area and meets your expectations for appearance and durability.
Grass Type
Grass type refers to the species or blend of grasses in the seed mix. This is important because different grasses thrive in different climates and have unique characteristics. Cool-season grasses like fescue, bluegrass, and ryegrass do well in cooler regions, while warm-season grasses like Bermuda, zoysia, and centipede are better for hot climates. To pick the right one, consider your local weather and how much sun or shade your lawn gets. If you want a thick, green lawn year-round, choose a type that matches your region and lawn conditions.
Seed Purity
Seed purity tells you how much of the bag is actually the grass seed you want, versus other seeds or debris. High purity means fewer weeds and better results. Purity is usually shown as a percentage. For a thick, healthy lawn, look for seed mixes with a high purity rating, ideally above 90%. This ensures you’re planting mostly the desired grass and not unwanted plants.
Germination Rate
Germination rate is the percentage of seeds expected to sprout under ideal conditions. A higher rate means more seeds will grow, leading to a thicker lawn. Germination rates are usually listed as a percentage. For best results, choose seeds with a germination rate of 85% or higher. This is especially important if you want a dense, even lawn without having to reseed.
Sun and Shade Tolerance
Sun and shade tolerance describes how well the grass grows in different light conditions. Some grasses need full sun, while others can handle shade. This is important because planting the wrong type can lead to thin or patchy areas. Check your yard to see how much sunlight it gets, and pick a seed mix that matches those conditions. If your lawn has both sunny and shady spots, look for a blend designed for mixed light.
Traffic Tolerance
Traffic tolerance is how well the grass stands up to foot traffic, pets, or play. Some grasses recover quickly from wear, while others can get damaged easily. If your lawn will be used for activities or by children and pets, choose a seed with high traffic tolerance. If it’s mostly for looks, a lower tolerance may be fine.
Coated vs. Uncoated Seed
Some grass seeds are coated with a layer that helps retain moisture and improve germination. Coated seeds can be easier to grow, especially in dry or challenging conditions, but you get fewer actual seeds per pound. Uncoated seeds are all seed, but may need more care. If you’re new to lawn care or have tough soil, coated seeds can help you get a thicker lawn more easily.

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