Frost Dates for Stuart, FL 34997
Last spring frost January 19 · First fall frost January 29 · 10 frost-free days · USDA Zone 10b
Frost probability for 34997
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | February 23 | January 19 | — |
| Fall (first frost) | December 20 | January 29 | — |
Dates come from NOAA 1971–2000 freeze probabilities at the nearest reporting station (44.2 km away); the 50% date is the median year.
Frost dates by ZIP code in Stuart, FL
| ZIP | Last spring frost (50%) | First fall frost (50%) | Zone |
|---|---|---|---|
| 34997 | January 19 | January 29 | 10b |
| 34994 | January 19 | January 29 | 10b |
| 34996 | January 19 | January 29 | 10b |
Month by month in Stuart
| 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 10-day season
Frequently Asked Questions
What is the last frost date for Stuart, FL (ZIP 34997)?
The median last spring frost date for Stuart, FL (ZIP code 34997) is around January 19. 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 Stuart, FL?
The median first fall frost date for Stuart, FL is around January 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 Stuart, FL?
The frost-free growing season in Stuart is about 10 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 Stuart, FL?
Based on frost date patterns, Stuart 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 Stuart, FL?
Start tomato seeds indoors 6–8 weeks before your last frost date (around January 19). For Stuart, that's roughly November 24 to December 8. Transplant outdoors 1–2 weeks after your last frost.
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