David M. Kopec, Turfgrass Specialist
The following seed rates and planting dates are provided below for establishing turfgrasses from seed in Arizona. All accompanying conditions are noted where applicable (for example, overseed versus permanent establishment, elevation locations, etc.).
PERMANENT COOL SEASON LAWN ESTABLISHMENT
| TYPE OF GRASS | LOCATION | SEED RATE | ESTABLISHMENT DATES |
| Kentucky bluegrass, perennial ryegrass, fine fescue, tall fescue | Payson, Show Low, Winslow, Prescott,
Cotton Wood |
KBG 1.5, PR 8-10,
FF 6-8, TF 6-8 |
Sept. 7-21 |
| Kentucky bluegrass, perennial ryegrass, fine fescue, tall fescue | Kingman | KBG 1.5, PR 8-10,
FF 6-8, TF 6-8 |
Sept. 15-30 |
| Kentucky bluegrass, perennial ryegrass, fine fescue, tall fescue | Flagstaff | KBG 1.5, PR 8-10,
FF 6-8, TF 6-8 |
Aug. 15-30 |
| Kentucky bluegrass, perennial ryegrass, fine fescue, tall fescue | Window Rock | KBG 1.5, PR 8-10,
FF 6-8, TF 6-8 |
Sept. 1-15 |
| Kentucky bluegrass, perennial ryegrass, fine fescue, tall fescue | Cochise County | KBG 1.5, PR 8-10,
FF 6-8, TF 6-8 |
Sept. 15-30 |
| Kentucky bluegrass, perennial ryegrass, fine fescue, tall fescue | Globe | KBG 1.5, PR 8-10,
FF 6-8, TF 6-8 |
Sept. 10-25 |
| Tall Fescue | Tucson | TF 6-8 | Sept. 10-21 |
| Tall fescue | Phoenix | TF 6-8 | Oct. 1-15 |
OVERSEED LAWN ESTABLISHMENT
| TYPE OF GRASS | LOCATION | SEED RATE | ESTABLISHMENTS DATES |
| Perennial ryegrass, annual ryegrass, intermediate ryegrass | Tucson | 12-20 | Sept. 25 - Oct. 15 |
| Perennial ryegrass, annual ryegrass, intermediate ryegrass | Phoenix | 12-20 | Oct. 10 - Nov. 5 |
| Perennial ryegrass, annual ryegrass, intermediate ryegrass | Yuma | 12-20 | Nov. 1 - Nov. 25 |
WARM SEASON LAWN ESTABLISHMENT
| TYPE OF GRASS | LOCATION | SEED RATE | ESTABLISHMENTS DATES |
| Common and improved seeded bermudas | Tucson | 1.0-1.5 | May 25 - Aug. 1 |
| Common and improved seeded bermudas | Yuma | 1.0-1.5 | May 1 - Aug. 15 |
| Common and improved seeded bermudas | Phoenix | 1.0-1.5 | May 15 - Aug. 10 |
| Common and improved seeded bermudas | Globe | 1.0-1.5 | June 10 - July 15 |
| Common and improved seeded bermudas | Cochise County | 1.0-1.5 | June 10 - July 20 |
| Buffalograss and zoysia | Tucson | B 1.5-2.0
Z 2.0-3.0 |
June 1 - July 1 |
| Buffalograss and zoysia | Yuma | B 1.5-2.0
Z 2.0-3.0 |
May 1 - July 25 (zoysia only) |
| Buffalograss and zoysia | Phoenix | B 1.5-2.0
Z 2.0-3.0 |
May 15 - July 25 |
| Buffalograss and zoysia | Globe | B 1.5-2.0
Z 2.0-3.0 |
June 10 - July 5 |
| Buffalograss and zoysia | Cochise County | B 1.5-2.0
Z 2.0-3.0 |
June 10 - July 20 |
Issued in furtherance of Cooperative Extension work, acts of May 8 and June 30, 1914, in cooperation with the U.S. Department of Agriculture, James A. Christenson, Director, Cooperative Extension, College of Agriculture & Life Sciences, The University of Arizona. The University of Arizona is an equal opportunity, affirmative action institution. The University does not discriminate on the basis of race, color, religion, sex, national origin, age, disability, veteran status, or sexual orientation in its programs and activities.