Frost Dates for Panorama City, CA 91402
Last spring frost January 21 · First fall frost November 29 · 312 frost-free days · USDA Zone 10a
Frost probability for 91402
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | March 17 | January 21 | — |
| Fall (first frost) | November 7 | November 29 | — |
Dates come from NOAA 1971–2000 freeze probabilities at the nearest reporting station (9.8 km away); the 50% date is the median year.
Month by month in Panorama City
| Month | What to do |
|---|---|
| January | Last frost around January 21. Transplant cold-hardy crops (broccoli, kale, cabbage). Harden off tomato and pepper seedlings. |
| February | Frost has passed. Transplant tomatoes, peppers, and basil outdoors. Direct sow beans, cucumbers, squash, and zucchini. |
| March | Succession plant lettuce and greens. Keep beds weeded and watered consistently. |
| April | Harvest regularly to encourage production. Monitor for pests and disease. |
| May | Midsummer: harvest beans, zucchini, cucumbers. Start brassica seeds indoors for fall. |
| June | Direct sow carrots and beets for fall harvest. Start fall broccoli and kale indoors. |
| July | Direct sow carrots and beets for fall harvest. Start fall broccoli and kale indoors. |
| August | Direct sow carrots and beets for fall harvest. Start fall broccoli and kale indoors. |
| September | Direct sow carrots and beets for fall harvest. Start fall broccoli and kale indoors. |
| October | First fall frost approaching (around November 29). Transplant fall brassicas. Sow spinach, arugula, and radishes. |
| November | First frost around November 29. Harvest tomatoes and peppers before frost. Cover cold-hardy crops with row covers to extend the season. |
| December | Harvest remaining cold-hardy crops: kale, carrots, and beets. Plant garlic bulbs for next year. |
What grows in a 312-day season
Frequently Asked Questions
What is the last frost date for Panorama City, CA (ZIP 91402)?
The median last spring frost date for Panorama City, CA (ZIP code 91402) is around January 21. This is the 50th-percentile date — meaning half of all years see frost end before this date. Use the 10% and 90% dates to understand the full range of risk in your area.
What is the first fall frost date in Panorama City, CA?
The median first fall frost date for Panorama City, CA is around November 29. Plan to harvest or protect frost-sensitive crops like tomatoes and peppers at least a week before this date to avoid losses.
How long is the growing season in Panorama City, CA?
The frost-free growing season in Panorama City is about 312 days. This window — from your last spring frost to your first fall frost — is when warm-season vegetables thrive. Cold-hardy crops like kale, spinach, and peas can extend your season by weeks on either side.
What USDA hardiness zone is Panorama City, CA?
Based on frost date patterns, Panorama City falls approximately in 10a. USDA hardiness zones are determined by average annual minimum winter temperatures and guide both plant selection and planting timing for your location.
When should I start tomatoes indoors in Panorama City, CA?
Start tomato seeds indoors 6–8 weeks before your last frost date (around January 21). For Panorama City, that's roughly November 26 to December 10. Transplant outdoors 1–2 weeks after your last frost.
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