Frost Dates for Laguna Niguel, CA 92677
Last spring frost Frost-free zone · First fall frost Frost-free zone · 360 frost-free days · USDA Zone 10b
Frost probability for 92677
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | February 16 | January 8 | — |
| Fall (first frost) | November 18 | January 3 | — |
Dates come from NOAA 1971–2000 freeze probabilities at the nearest reporting station (19.9 km away); the 50% date is the median year.
Month by month in Laguna Niguel
| Month | What to do |
|---|---|
| January | Plant cool-season crops: lettuce, spinach, broccoli, peas, and carrots. |
| February | Direct sow brassicas and root vegetables. Start warm-season seedlings indoors. |
| March | Transplant warm-season crops outdoors. Sow beans, cucumbers, and squash. |
| April | Main warm-season planting window. Direct sow melons and sweet corn. |
| May | Succession plant lettuce. Keep beds irrigated as temperatures climb. |
| June | Monitor for heat stress. Harvest zucchini and cucumbers frequently. |
| July | Harvest regularly to encourage continued production. Watch for pests. |
| August | Start fall cool-season crops: broccoli, kale, beets, and carrots. |
| September | Plant fall lettuce, spinach, arugula, and radishes. |
| October | Harvest mature crops. Direct sow cold-tolerant greens. |
| November | Plant garlic and onion sets. Harvest cool-season crops through the month. |
| December | Plant cool-season crops for winter harvest. Plan next year's garden. |
What grows in a 360-day season
Frequently Asked Questions
What is the last frost date for Laguna Niguel, CA (ZIP 92677)?
The median last spring frost date for Laguna Niguel, CA (ZIP code 92677) is around January 8. 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 Laguna Niguel, CA?
The median first fall frost date for Laguna Niguel, CA is around January 3. 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 Laguna Niguel, CA?
The frost-free growing season in Laguna Niguel is about 360 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 Laguna Niguel, CA?
Based on frost date patterns, Laguna Niguel falls approximately in 10b. 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 Laguna Niguel, CA?
Start tomato seeds indoors 6–8 weeks before your last frost date (around January 8). For Laguna Niguel, that's roughly November 13 to November 27. Transplant outdoors 1–2 weeks after your last frost.
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