Frost dates for 89413Glenbrook, NV
The average last spring frost in Glenbrook is June 5 and the average first fall frost is October 9, giving a typical growing season of about 126 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Jun 5
- Average first fall frost
- Oct 9
- Growing season
- 126 days
Safer after Jun 22 (1-in-10 risk)
Possible by Sep 24 (1-in-10 risk)
Last frost typically in 222 days
Frost risk by date
NOAA reports frost dates as probabilities. The middle date is the average (a 50% chance). For spring, the 10% date is a safer planting date: frost after it happens in about 1 year in 10. Light frost (36°F) can damage tender plants; a hard freeze (28°F) kills most annuals.
| Temperature | Last spring: 90% / 50% / 10% chance | First fall: 10% / 50% / 90% chance | Growing season (50%) | Years with at least one |
|---|---|---|---|---|
| Light frost (36°F) | Jun 3 · Jun 18 · Jul 2 | Sep 10 · Sep 28 · Oct 11 | 100 days | 100% |
| Frost / freeze (32°F) | May 12 · Jun 5 · Jun 22 | Sep 24 · Oct 9 · Oct 28 | 126 days | 100% |
| Hard freeze (28°F) | Apr 22 · May 12 · Jun 10 | Oct 4 · Oct 24 · Nov 9 | 160 days | 100% |
Planting calendar for Glenbrook
Planting windows from the University of Maryland Extension calendar, shifted to your average frost dates. Use them as a starting point and adjust for seed packet instructions and local conditions.
| Crop | Task | Window |
|---|---|---|
| Tomatoes | Start seeds indoors | May 5 – Jul 11 |
| Tomatoes | Transplant outdoors | Jun 21 – Jun 19 |
| Peppers | Start seeds indoors | May 5 – Jun 5 |
| Peppers | Transplant outdoors | Jul 5 – Aug 5 |
| Eggplant | Start seeds indoors | May 22 – Jun 20 |
| Eggplant | Transplant outdoors | Jul 5 – Aug 5 |
| Cucumbers | Sow outdoors | Jul 5 – Jun 29 |
| Summer squash | Sow outdoors | Jun 21 – Aug 5 |
| Winter squash & pumpkins | Sow outdoors | Jul 5 – Aug 5 |
| Snap beans | Sow outdoors | Jun 21 – Jul 22 |
| Sweet corn | Sow outdoors | Jun 21 – Jun 19 |
| Watermelon & cantaloupe | Sow outdoors | Jul 5 – Aug 5 |
| Okra | Sow outdoors | Jun 28 – Jul 21 |
| Peas | Sow outdoors (spring) | May 5 – Jun 20 |
| Potatoes | Plant outdoors (spring) | May 5 – Jul 5 |
| Onions | Start seeds indoors (spring) | Mar 24 – Apr 20 |
| Onions | Transplant outdoors (spring) | May 22 – Jun 20 |
| Broccoli | Start seeds indoors (spring) | Apr 17 – May 21 |
| Broccoli | Transplant outdoors (spring) | May 22 – Jun 20 |
| Broccoli | Start seeds indoors (fall) | Jun 9 – Jun 19 |
| Broccoli | Transplant outdoors (fall) | Jul 9 – Jul 20 |
| Cabbage | Start seeds indoors (spring) | Apr 7 – May 5 |
| Cabbage | Transplant outdoors (spring) | May 5 – Jun 5 |
| Cabbage | Start seeds indoors (fall) | May 30 – Jun 29 |
| Cabbage | Transplant outdoors (fall) | Jun 29 – Jul 30 |
| Leaf lettuce | Sow outdoors (spring) | May 5 – Jul 21 |
| Leaf lettuce | Sow outdoors (fall) | Jun 29 – Aug 15 |
| Spinach | Sow outdoors (spring) | Apr 28 – Jun 11 |
| Spinach | Sow outdoors (fall) | Jul 16 – Aug 20 |
| Radishes | Sow outdoors (spring) | May 5 – Jun 25 |
| Radishes | Sow outdoors (fall) | Jun 29 – Aug 30 |
| Kale | Sow outdoors (spring) | May 22 – Jun 11 |
| Kale | Sow outdoors (fall) | Jun 22 – Jul 30 |
| Carrots | Sow outdoors (spring) | Jun 5 – Jul 21 |
| Carrots | Sow outdoors (fall) | May 30 – Jul 15 |
| Garlic | Plant outdoors (fall) | Sep 29 – Oct 30 |
Where these dates come from
ZIP code 89413 is matched to the NOAA station Glenbrook, NV, 2.7 km away, at 6,350 ft elevation (176 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Glenbrook, NV (used) | 6,350 ft | Jun 5 | Oct 9 |
| Dagget Pass, NV | 7,334 ft | Jun 7 | Sep 28 |
| Tahoma, CA | 6,315 ft | Jun 4 | Oct 3 |
| Carson City, NV | 4,761 ft | May 4 | Oct 6 |
Frost dates near Glenbrook
- Zephyr Cove, NV 89448 · last Jun 7, first Sep 28
- Stateline, NV 89449 · last Jun 7, first Sep 28
- Genoa, NV 89411 · last May 30, first Sep 26
- Carson City, NV 89705 · last May 4, first Oct 6
- South Lake Tahoe, CA 96156 · last —, first —
- Tahoma, CA 96142 · last Jun 9, first Sep 25
- Minden, NV 89423 · last May 30, first Sep 26
- Homewood, CA 96141 · last Jun 7, first Sep 28
Frequently asked questions
- When is the last frost in Glenbrook, NV?
- For ZIP code 89413, the average last spring frost (32°F) is June 5, based on NOAA 1991-2020 climate normals for the Glenbrook, NV weather station. There is a 1-in-10 chance of a frost after June 22.
- When is the first frost in Glenbrook, NV?
- The average first fall frost (32°F) is October 9. There is a 1-in-10 chance of frost by September 24, so tender plants are at risk from that point on.
- How long is the growing season in 89413?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 126 days long.
- Are these frost dates a forecast?
- No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.