Frost dates for 95901Marysville, CA
The average last spring frost in Marysville is February 11 and the average first fall frost is November 30, giving a typical growing season of about 289 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Feb 11
- Average first fall frost
- Nov 30
- Growing season
- 289 days
Safer after Mar 12 (1-in-10 risk)
Possible by Nov 12 (1-in-10 risk)
First frost typically in 28 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) | Feb 20 · Mar 21 · Apr 16 | Oct 30 · Nov 14 · Dec 1 | 236 days | 100% |
| Frost / freeze (32°F) | Jan 6 · Feb 11 · Mar 12 | Nov 12 · Nov 30 · Dec 21 | 289 days | 100% |
| Hard freeze (28°F) | Dec 14 · Jan 12 · Feb 10 | Nov 24 · Dec 13 · Jan 11 | 337 days | 81% |
Planting calendar for Marysville
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 | Jan 11 – Mar 19 |
| Tomatoes | Transplant outdoors | Feb 27 – Aug 10 |
| Peppers | Start seeds indoors | Jan 11 – Feb 11 |
| Peppers | Transplant outdoors | Mar 13 – Apr 13 |
| Eggplant | Start seeds indoors | Jan 28 – Feb 26 |
| Eggplant | Transplant outdoors | Mar 13 – Apr 13 |
| Cucumbers | Sow outdoors | Mar 13 – Aug 20 |
| Summer squash | Sow outdoors | Feb 27 – Apr 13 |
| Winter squash & pumpkins | Sow outdoors | Mar 13 – Apr 13 |
| Snap beans | Sow outdoors | Feb 27 – Sep 12 |
| Sweet corn | Sow outdoors | Feb 27 – Aug 10 |
| Watermelon & cantaloupe | Sow outdoors | Mar 13 – Apr 13 |
| Okra | Sow outdoors | Mar 6 – Mar 29 |
| Peas | Sow outdoors (spring) | Jan 11 – Feb 26 |
| Potatoes | Plant outdoors (spring) | Jan 11 – Mar 13 |
| Onions | Start seeds indoors (spring) | Nov 30 – Dec 27 |
| Onions | Transplant outdoors (spring) | Jan 28 – Feb 26 |
| Broccoli | Start seeds indoors (spring) | Dec 24 – Jan 27 |
| Broccoli | Transplant outdoors (spring) | Jan 28 – Feb 26 |
| Broccoli | Start seeds indoors (fall) | Jul 31 – Aug 10 |
| Broccoli | Transplant outdoors (fall) | Aug 30 – Sep 10 |
| Cabbage | Start seeds indoors (spring) | Dec 14 – Jan 11 |
| Cabbage | Transplant outdoors (spring) | Jan 11 – Feb 11 |
| Cabbage | Start seeds indoors (fall) | Jul 21 – Aug 20 |
| Cabbage | Transplant outdoors (fall) | Aug 20 – Sep 20 |
| Leaf lettuce | Sow outdoors (spring) | Jan 11 – Mar 29 |
| Leaf lettuce | Sow outdoors (fall) | Aug 20 – Oct 6 |
| Spinach | Sow outdoors (spring) | Jan 4 – Feb 17 |
| Spinach | Sow outdoors (fall) | Sep 6 – Oct 11 |
| Radishes | Sow outdoors (spring) | Jan 11 – Mar 3 |
| Radishes | Sow outdoors (fall) | Aug 20 – Oct 21 |
| Kale | Sow outdoors (spring) | Jan 28 – Feb 17 |
| Kale | Sow outdoors (fall) | Aug 13 – Sep 20 |
| Carrots | Sow outdoors (spring) | Feb 11 – Mar 29 |
| Carrots | Sow outdoors (fall) | Jul 21 – Sep 5 |
| Garlic | Plant outdoors (fall) | Nov 20 – Dec 21 |
Where these dates come from
ZIP code 95901 is matched to the NOAA station Marysville Yuba Co Ap, CA, 8.7 km away, at 62 ft elevation (30 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Marysville Yuba Co Ap, CA (used) | 62 ft | Feb 11 | Nov 30 |
| Marysville, CA | 57 ft | Jan 15 | Dec 12 |
| Dobbins 1 S, CA | 1,640 ft | Apr 1 | Nov 17 |
| Oroville Muni Ap, CA | 190 ft | Jan 29 | Dec 7 |
Frost dates near Marysville
- Olivehurst, CA 95961 · last Feb 11, first Nov 30
- Yuba City, CA 95991 · last Feb 11, first Nov 30
- Beale Afb, CA 95903 · last Feb 11, first Nov 30
- Wheatland, CA 95692 · last Feb 11, first Nov 30
- Smartsville, CA 95977 · last Feb 11, first Nov 30
- Live Oak, CA 95953 · last Feb 11, first Nov 30
- Browns Valley, CA 95918 · last Apr 1, first Nov 17
- Rio Oso, CA 95674 · last Feb 11, first Nov 30
Frequently asked questions
- When is the last frost in Marysville, CA?
- For ZIP code 95901, the average last spring frost (32°F) is February 11, based on NOAA 1991-2020 climate normals for the Marysville Yuba Co Ap, CA weather station. There is a 1-in-10 chance of a frost after March 12.
- When is the first frost in Marysville, CA?
- The average first fall frost (32°F) is November 30. There is a 1-in-10 chance of frost by November 12, so tender plants are at risk from that point on.
- How long is the growing season in 95901?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 289 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.