Frost Dates for Crystal River, FL 34429
Crystal River has 2 ZIP codes. The Crystal River, FL frost page lists all of them with their dates.
Last spring frost February 20 · First fall frost December 18 · 301 frost-free days · USDA Zone 9b
ZIP 34429 has about 8,730 people, one of 2 ZIP codes in Crystal River.
Very long season: 301 frost-free days. Spring frost risk spans January 22–March 19 (56 days). Fall frost risk spans November 20–January 20 (61 days).
Frost probability for 34429
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | March 19 | February 20 | January 22 |
| Fall (first frost) | November 20 | December 18 | January 20 |
Dates come from NOAA 1971–2000 freeze probabilities at WEEKI WACHEE (38.5 km away); the 50% date is the median year.
Which crops fit a 301-day season in Crystal River
In Crystal River (301 frost-free days, a very long season), 30 of 56 planner crops fit outright, 25 get two plantings, 1 crop is perennial.
| Crop | Start indoors | Plant out / sow | Days you have | Verdict | Last sow date |
|---|---|---|---|---|---|
| Tomato | Jan 16 | Mar 6–Mar 13 | 259 | fits: 80 days to maturity, 259 available after Mar 6. | Aug 18 |
| Pepper | Jan 9 | Mar 6–Mar 13 | 259 | fits: 75 days to maturity, 259 available after Mar 6. | Aug 23 |
| Lettuce | Dec 26 | Jan 23–Jan 30 | 336 | two-plantings: Plant Jan 23 and again by Oct 27; both mature before Dec 25. | Oct 27 |
| Carrots | — | Jan 30–Feb 6 | 343 | fits: 70 days to maturity, 343 available after Jan 30. | Oct 16 |
| Cucumber | Jan 30 | Mar 6–Mar 13 | 273 | two-plantings: Plant Mar 6 and again by Sep 21; both mature before Dec 4. | Sep 21 |
| Beans | — | Feb 27–Mar 13 | 287 | two-plantings: Plant Feb 27 and again by Sep 28; both mature before Dec 11. | Sep 28 |
| Peas | — | Dec 26–Mar 6 | 364 | fits: 65 days to maturity, 364 available after Dec 26. | Oct 7 |
| Zucchini | Feb 6 | Mar 6–Mar 13 | 273 | two-plantings: Plant Mar 6 and again by Sep 26; both mature before Dec 4. | Sep 26 |
| Onion | Nov 28 | Jan 23–Feb 6 | 336 | fits: 100 days to maturity, 336 available after Jan 23. | — |
| Spinach | — | Dec 26–Feb 13 | 378 | two-plantings: Plant Dec 26 and again by Nov 15; both mature before Jan 8. | Nov 15 |
| Kale | Dec 12 | Jan 23–Feb 6 | 350 | two-plantings: Plant Jan 23 and again by Oct 31; both mature before Jan 8. | Oct 31 |
| Broccoli | Dec 26 | Jan 23–Feb 6 | 336 | fits: 80 days to maturity, 336 available after Jan 23. | Sep 22 |
| Cabbage | Dec 26 | Jan 23–Feb 6 | 350 | fits: 70 days to maturity, 350 available after Jan 23. | Oct 16 |
| Radish | — | Dec 26–Mar 20 | 364 | two-plantings: Plant Dec 26 and again by Nov 16; both mature before Dec 25. | Nov 16 |
| Beets | — | Dec 26–Mar 20 | 364 | two-plantings: Plant Dec 26 and again by Oct 17; both mature before Dec 25. | Oct 17 |
| Potatoes | — | Feb 6–Feb 13 | 322 | fits: 90 days to maturity, 322 available after Feb 6. | — |
| Garlic | — | Dec 18 | 406 | overwinter: Plant Dec 18 to Jan 8; harvest the following summer. | Jan 8 |
| Strawberry | — | Jan 16–Mar 13 | 357 | perennial: A perennial: plant Jan 16; it fruits from the following year and keeps producing for several years. | — |
| Corn | Jan 23 | Feb 27–Mar 6 | 273 | fits: 75 days to maturity, 273 available after Feb 27. | Aug 30 |
| Pumpkin | Feb 6 | Mar 6–Mar 6 | 266 | fits: 100 days to maturity, 266 available after Mar 6. | Aug 5 |
| Cauliflower | Jan 9 | Feb 13–Feb 27 | 315 | fits: 75 days to maturity, 315 available after Feb 13. | Sep 27 |
| Swiss Chard | Dec 26 | Feb 6–Feb 6 | 322 | two-plantings: Plant Feb 6 and again by Oct 17; both mature before Dec 25. | Oct 17 |
| Arugula | — | Dec 26–Mar 20 | 378 | two-plantings: Plant Dec 26 and again by Nov 15; both mature before Jan 8. | Nov 15 |
| Brussel Sprouts | Dec 26 | Jan 23–Feb 6 | 350 | fits: 100 days to maturity, 350 available after Jan 23. | Sep 16 |
| Butternut Squash | Feb 6 | Mar 6–Mar 13 | 266 | fits: 100 days to maturity, 266 available after Mar 6. | Aug 5 |
| Eggplant | Jan 2 | Mar 6–Mar 13 | 259 | fits: 70 days to maturity, 259 available after Mar 6. | Aug 28 |
| Okra | Jan 23 | Feb 27–Mar 6 | 280 | two-plantings: Plant Feb 27 and again by Sep 26; both mature before Dec 4. | Sep 26 |
| Basil | Jan 16 | Mar 13–Mar 13 | 266 | two-plantings: Plant Mar 13 and again by Sep 21; both mature before Dec 4. | Sep 21 |
| Cilantro | — | Jan 23–Feb 13 | 336 | two-plantings: Plant Jan 23 and again by Oct 22; both mature before Dec 25. | Oct 22 |
| Parsley | Dec 12 | Feb 27–Mar 6 | 301 | fits: 70 days to maturity, 301 available after Feb 27. | Oct 2 |
| Celery | Dec 12 | Feb 27–Mar 13 | 301 | fits: 120 days to maturity, 301 available after Feb 27. | Aug 13 |
| Scallions | Dec 12 | Jan 23–Feb 6 | 350 | two-plantings: Plant Jan 23 and again by Oct 26; both mature before Jan 8. | Oct 26 |
| Turnip | — | Jan 23–Feb 6 | 350 | two-plantings: Plant Jan 23 and again by Nov 5; both mature before Jan 8. | Nov 5 |
| Kohlrabi | — | Jan 9–Jan 23 | 364 | two-plantings: Plant Jan 9 and again by Oct 31; both mature before Jan 8. | Oct 31 |
| Bok Choy | Jan 23 | Feb 13–Feb 20 | 315 | two-plantings: Plant Feb 13 and again by Oct 27; both mature before Dec 25. | Oct 27 |
| Collards | Dec 12 | Jan 23–Feb 6 | 350 | two-plantings: Plant Jan 23 and again by Oct 26; both mature before Jan 8. | Oct 26 |
| Cantaloupe | Feb 6 | Mar 6–Mar 13 | 259 | fits: 85 days to maturity, 259 available after Mar 6. | Aug 13 |
| Chives | Nov 28 | Feb 27–Mar 6 | 315 | fits: 90 days to maturity, 315 available after Feb 27. | — |
| Dill | — | Dec 26–Mar 20 | 364 | two-plantings: Plant Dec 26 and again by Oct 17; both mature before Dec 25. | Oct 17 |
| Oregano | Dec 12 | Feb 27–Mar 6 | 315 | fits: 80 days to maturity, 315 available after Feb 27. | — |
| Rosemary | Nov 28 | Feb 27–Mar 6 | 301 | fits: 80 days to maturity, 301 available after Feb 27. | — |
| Sage | Dec 26 | Feb 27–Mar 6 | 315 | fits: 75 days to maturity, 315 available after Feb 27. | — |
| Thyme | Dec 12 | Feb 27–Mar 6 | 315 | fits: 90 days to maturity, 315 available after Feb 27. | — |
| Calendula | Jan 9 | Feb 6–Feb 20 | 322 | two-plantings: Plant Feb 6 and again by Oct 22; both mature before Dec 25. | Oct 22 |
| Cosmos | Jan 23 | Feb 20–Mar 6 | 287 | two-plantings: Plant Feb 20 and again by Sep 21; both mature before Dec 4. | Sep 21 |
| Lavender | Nov 28 | Feb 20–Mar 6 | 322 | fits: 90 days to maturity, 322 available after Feb 20. | — |
| Marigolds | Jan 9 | Feb 20–Feb 27 | 287 | two-plantings: Plant Feb 20 and again by Oct 1; both mature before Dec 4. | Oct 1 |
| Melons | Feb 6 | Mar 6–Mar 13 | 259 | fits: 85 days to maturity, 259 available after Mar 6. | Aug 13 |
| Mint | — | Feb 20–Mar 6 | 322 | fits: 90 days to maturity, 322 available after Feb 20. | — |
| Nasturtiums | Jan 23 | Feb 20–Feb 27 | 287 | two-plantings: Plant Feb 20 and again by Sep 26; both mature before Dec 4. | Sep 26 |
| Pole Beans | — | Feb 27–Mar 13 | 280 | fits: 65 days to maturity, 280 available after Feb 27. | Sep 16 |
| Spaghetti Squash | Feb 6 | Mar 6–Mar 13 | 266 | fits: 90 days to maturity, 266 available after Mar 6. | Aug 15 |
| Sunflowers | — | Feb 20–Mar 6 | 287 | fits: 70 days to maturity, 287 available after Feb 20. | Sep 11 |
| Tomatillos | Dec 26 | Feb 27–Mar 6 | 266 | fits: 75 days to maturity, 266 available after Feb 27. | Aug 23 |
| Watermelon | Feb 6 | Feb 27–Mar 6 | 266 | fits: 80 days to maturity, 266 available after Feb 27. | Aug 18 |
| Yellow Squash | Feb 6 | Mar 6–Mar 13 | 273 | two-plantings: Plant Mar 6 and again by Sep 26; both mature before Dec 4. | Sep 26 |
| Zinnias | Jan 23 | Feb 20–Mar 6 | 287 | two-plantings: Plant Feb 20 and again by Sep 21; both mature before Dec 4. | Sep 21 |
Month by month in Crystal River
| Month | What to do |
|---|---|
| January | Start indoors: Eggplant (Jan 2), Calendula (Jan 9), Cauliflower (Jan 9), Marigolds (Jan 9), Pepper (Jan 9), Basil (Jan 16), +8 more. Direct sow from: Kohlrabi (Jan 9), Cilantro (Jan 23), Turnip (Jan 23), Carrots (Jan 30). Transplant from: Broccoli (Jan 23), Brussel Sprouts (Jan 23), Cabbage (Jan 23), Collards (Jan 23), Kale (Jan 23), Lettuce (Jan 23), +2 more. Plant: Strawberry (Jan 16). Last sowing dates: Garlic (Jan 8). |
| February | Start indoors: Butternut Squash (Feb 6), Cantaloupe (Feb 6), Melons (Feb 6), Pumpkin (Feb 6), Spaghetti Squash (Feb 6), Watermelon (Feb 6), +2 more. Direct sow from: Potatoes (Feb 6), Sunflowers (Feb 20), Beans (Feb 27), Pole Beans (Feb 27). Transplant from: Calendula (Feb 6), Swiss Chard (Feb 6), Bok Choy (Feb 13), Cauliflower (Feb 13), Cosmos (Feb 20), Lavender (Feb 20), +15 more. Last frost around February 20. |
| March | Transplant from: Butternut Squash (Mar 6), Cantaloupe (Mar 6), Cucumber (Mar 6), Eggplant (Mar 6), Melons (Mar 6), Pepper (Mar 6), +6 more. |
| April | Succession plant lettuce and greens. Keep beds weeded and watered consistently. |
| May | Harvest regularly to encourage production. Monitor for pests and disease. |
| June | Midsummer: harvest beans, zucchini, cucumbers. Start brassica seeds indoors for fall. |
| July | Direct sow carrots and beets for fall harvest. Start fall broccoli and kale indoors. |
| August | Last sowing dates: Butternut Squash (Aug 5), Pumpkin (Aug 5), Cantaloupe (Aug 13), Celery (Aug 13), Melons (Aug 13), Spaghetti Squash (Aug 15), +6 more. |
| September | Last sowing dates: Sunflowers (Sep 11), Brussel Sprouts (Sep 16), Pole Beans (Sep 16), Basil (Sep 21), Cosmos (Sep 21), Cucumber (Sep 21), +8 more. |
| October | Last sowing dates: Marigolds (Oct 1), Parsley (Oct 2), Peas (Oct 7), Cabbage (Oct 16), Carrots (Oct 16), Beets (Oct 17), +10 more. |
| November | Start indoors: Chives (Nov 28), Lavender (Nov 28), Onion (Nov 28), Rosemary (Nov 28). Last sowing dates: Turnip (Nov 5), Arugula (Nov 15), Spinach (Nov 15), Radish (Nov 16). |
| December | Start indoors: Celery (Dec 12), Collards (Dec 12), Kale (Dec 12), Oregano (Dec 12), Parsley (Dec 12), Scallions (Dec 12), +8 more. Direct sow from: Garlic (Dec 18), Arugula (Dec 26), Beets (Dec 26), Dill (Dec 26), Peas (Dec 26), Radish (Dec 26), +1 more. First frost around December 18. |
Frequently Asked Questions
What is the last frost date for Crystal River, FL (ZIP 34429)?
The median last spring frost date for Crystal River, FL (ZIP code 34429) is around February 20. 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. One year in ten frost ends before January 22; one in ten it runs past March 19.
What is the first fall frost date in Crystal River, FL?
The median first fall frost date for Crystal River, FL is around December 18. Plan to harvest or protect frost-sensitive crops like tomatoes and peppers at least a week before this date to avoid losses. The first frost arrives around November 20 in the earliest one-in-ten years, so cover tomatoes and peppers from then.
How long is the growing season in Crystal River, FL?
The frost-free growing season in Crystal River is about 301 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. In Crystal River (301 frost-free days, a very long season), 30 of 56 planner crops fit outright, 25 get two plantings, 1 crop is perennial.
What USDA hardiness zone is Crystal River, FL?
Crystal River, FL is in USDA hardiness zone 9b (2023 USDA Plant Hardiness Zone Map). Zones come from the average coldest winter temperature, so they tell you which perennials survive the winter; the frost dates on this page tell you when to plant.
When should I start tomatoes indoors in Crystal River, FL?
Start tomatoes indoors Jan 16 and plant out Mar 6 in Crystal River. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.
How many plantings of lettuce fit in Crystal River?
Two: plant Jan 23 and again by Oct 27; both mature before Dec 25.
When do I plant garlic in Crystal River?
Dec 18 to Jan 8; it overwinters and is ready the following summer.
Can I get two tomato crops in Crystal River?
Yes: plant out Mar 6 for a summer crop, and set out a second round of transplants by Aug 18 for a fall crop.
Nearby and related
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