Needle & Threadgrass

Needle & Threadgrass "bails" after custom field collection in a native southern utah stand.


A Little Bit About Us

Great Basin Seed has a proud heritage in the Intermountain West seed industry. Our family lineage and business heritage are directly linked to the beginnings of reclamation, revegetation and wildlife habitat improvement.


Great Basin Seed
450 South 50 East
Ephraim, UT 84627

Contact Info

435.283.1411 (Office)
435.283.6872 (Fax)

Our turf type 3-way blend of persistent perennial ryegrass is adaptable to most zones within the United States. Those in the coldest zones of the United States will see repressed results with this blend. Great for use in home lawns, parks, reclamation areas, golf courses, sport fields, stadiums and more!

  • 33% Singular Perennial Ryegrass
  • 33% Exacta II Perennial Ryegrass
  • 34% Manhattan 6 Perennial Ryegrass


Our mix includes perennial ryegrass variety selected for their salt tolerance, excellent overall turf quality, and resistance to Gray Leaf Spot.

Seeding Rate:

  • For New Lawn: 4-5 lbs per 1000 square feet
  • For Overseeding Existing Lawn: 3-4 lbs/1000 square feet

Best Seeding Dates: Spring and early fall

Seeding Depth:  about ¼ inch



  1. Keep your mowing height between 1-3 inches
  2. Apply fertilizer in split applications in both the spring and the fall. Recommended amount is 2-6 lbs per 100 square feet every year.
  3. Depending on where you live or the climate of your year irrigating may be necessary to ensure survival during periods of extended drought
  4. To keep weed under control it is recommended to apply pre-emergent and post-emergent herbicides at labeled rates to control weeds
  5. To keep disease under control apply fungicides at labeled rates to control disease
  6. If insects are a problem in your area apply pesticides at labeled rates to control insect problems