Frost dates for 95720Kyburz, CA
The average last spring frost in Kyburz is May 30 and the average first fall frost is September 26, giving a typical growing season of about 119 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- May 30
- Average first fall frost
- Sep 26
- Growing season
- 119 days
Safer after Jun 14 (1-in-10 risk)
Possible by Sep 9 (1-in-10 risk)
Last frost typically in 215 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) | May 29 · Jun 12 · Jun 30 | Aug 24 · Sep 9 · Sep 24 | 88 days | 100% |
| Frost / freeze (32°F) | May 8 · May 30 · Jun 14 | Sep 9 · Sep 26 · Oct 9 | 119 days | 100% |
| Hard freeze (28°F) | Apr 23 · May 6 · May 29 | Sep 27 · Oct 8 · Oct 22 | 151 days | 100% |
Planting calendar for Kyburz
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 | Apr 29 – Jul 5 |
| Tomatoes | Transplant outdoors | Jun 15 – Jun 6 |
| Peppers | Start seeds indoors | Apr 29 – May 30 |
| Peppers | Transplant outdoors | Jun 29 – Jul 30 |
| Eggplant | Start seeds indoors | May 16 – Jun 14 |
| Eggplant | Transplant outdoors | Jun 29 – Jul 30 |
| Cucumbers | Sow outdoors | Jun 29 – Jun 16 |
| Summer squash | Sow outdoors | Jun 15 – Jul 30 |
| Winter squash & pumpkins | Sow outdoors | Jun 29 – Jul 30 |
| Snap beans | Sow outdoors | Jun 15 – Jul 9 |
| Sweet corn | Sow outdoors | Jun 15 – Jun 6 |
| Watermelon & cantaloupe | Sow outdoors | Jun 29 – Jul 30 |
| Okra | Sow outdoors | Jun 22 – Jul 15 |
| Peas | Sow outdoors (spring) | Apr 29 – Jun 14 |
| Potatoes | Plant outdoors (spring) | Apr 29 – Jun 29 |
| Onions | Start seeds indoors (spring) | Mar 18 – Apr 14 |
| Onions | Transplant outdoors (spring) | May 16 – Jun 14 |
| Broccoli | Start seeds indoors (spring) | Apr 11 – May 15 |
| Broccoli | Transplant outdoors (spring) | May 16 – Jun 14 |
| Broccoli | Start seeds indoors (fall) | May 27 – Jun 6 |
| Broccoli | Transplant outdoors (fall) | Jun 26 – Jul 7 |
| Cabbage | Start seeds indoors (spring) | Apr 1 – Apr 29 |
| Cabbage | Transplant outdoors (spring) | Apr 29 – May 30 |
| Cabbage | Start seeds indoors (fall) | May 17 – Jun 16 |
| Cabbage | Transplant outdoors (fall) | Jun 16 – Jul 17 |
| Leaf lettuce | Sow outdoors (spring) | Apr 29 – Jul 15 |
| Leaf lettuce | Sow outdoors (fall) | Jun 16 – Aug 2 |
| Spinach | Sow outdoors (spring) | Apr 22 – Jun 5 |
| Spinach | Sow outdoors (fall) | Jul 3 – Aug 7 |
| Radishes | Sow outdoors (spring) | Apr 29 – Jun 19 |
| Radishes | Sow outdoors (fall) | Jun 16 – Aug 17 |
| Kale | Sow outdoors (spring) | May 16 – Jun 5 |
| Kale | Sow outdoors (fall) | Jun 9 – Jul 17 |
| Carrots | Sow outdoors (spring) | May 30 – Jul 15 |
| Carrots | Sow outdoors (fall) | May 17 – Jul 2 |
| Garlic | Plant outdoors (fall) | Sep 16 – Oct 17 |
Where these dates come from
ZIP code 95720 is matched to the NOAA station Minden, NV, 45.8 km away, at 4,709 ft elevation (465 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Minden, NV (used) | 4,709 ft | May 30 | Sep 26 |
| Pacific House, CA | 3,450 ft | Apr 26 | Nov 2 |
| South Lake Tahoe Ap, CA | 6,314 ft | — | — |
| Tahoma, CA | 6,315 ft | Jun 4 | Oct 3 |
Frost dates near Kyburz
- Twin Bridges, CA 95735 · last —, first —
- Kit Carson, CA 95644 · last Jun 7, first Sep 28
- Kirkwood, CA 95646 · last Jun 7, first Sep 28
- Echo Lake, CA 95721 · last Jun 7, first Sep 28
- South Lake Tahoe, CA 96155 · last —, first —
- Pollock Pines, CA 95726 · last Apr 12, first Nov 21
- Grizzly Flats, CA 95636 · last Apr 26, first Nov 2
- Tahoma, CA 96142 · last Jun 9, first Sep 25
Frequently asked questions
- When is the last frost in Kyburz, CA?
- For ZIP code 95720, the average last spring frost (32°F) is May 30, based on NOAA 1991-2020 climate normals for the Minden, NV weather station. There is a 1-in-10 chance of a frost after June 14.
- When is the first frost in Kyburz, CA?
- The average first fall frost (32°F) is September 26. There is a 1-in-10 chance of frost by September 9, so tender plants are at risk from that point on.
- How long is the growing season in 95720?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 119 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.