Frost Dates for Whitwell, TN 37397
Last spring frost April 8 · First fall frost October 25 · 200 frost-free days · USDA Zone 7b
ZIP 37397 has about 10,500 people.
Long season: 200 frost-free days. Spring frost risk spans March 27–April 21 (25 days). Fall frost risk spans October 8–November 11 (34 days).
Frost probability for 37397
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | April 21 | April 8 | March 27 |
| Fall (first frost) | October 8 | October 25 | November 11 |
Dates come from NOAA 1971–2000 freeze probabilities at MONTEAGLE (29.4 km away); the 50% date is the median year.
Which crops fit a 200-day season in Whitwell
In Whitwell (200 frost-free days, a 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 | Mar 4 | Apr 22–Apr 29 | 158 | fits: 80 days to maturity, 158 available after Apr 22. | Jun 25 |
| Pepper | Feb 25 | Apr 22–Apr 29 | 158 | fits: 75 days to maturity, 158 available after Apr 22. | Jun 30 |
| Lettuce | Feb 11 | Mar 11–Mar 18 | 235 | two-plantings: Plant Mar 11 and again by Sep 3; both mature before Nov 1. | Sep 3 |
| Carrots | — | Mar 18–Mar 25 | 242 | fits: 70 days to maturity, 242 available after Mar 18. | Aug 23 |
| Cucumber | Mar 18 | Apr 22–Apr 29 | 172 | two-plantings: Plant Apr 22 and again by Jul 29; both mature before Oct 11. | Jul 29 |
| Beans | — | Apr 15–Apr 29 | 186 | two-plantings: Plant Apr 15 and again by Aug 5; both mature before Oct 18. | Aug 5 |
| Peas | — | Feb 11–Apr 22 | 263 | fits: 65 days to maturity, 263 available after Feb 11. | Aug 14 |
| Zucchini | Mar 25 | Apr 22–Apr 29 | 172 | two-plantings: Plant Apr 22 and again by Aug 3; both mature before Oct 11. | Aug 3 |
| Onion | Jan 14 | Mar 11–Mar 25 | 235 | fits: 100 days to maturity, 235 available after Mar 11. | — |
| Spinach | — | Feb 11–Apr 1 | 277 | two-plantings: Plant Feb 11 and again by Sep 22; both mature before Nov 15. | Sep 22 |
| Kale | Jan 28 | Mar 11–Mar 25 | 249 | two-plantings: Plant Mar 11 and again by Sep 7; both mature before Nov 15. | Sep 7 |
| Broccoli | Feb 11 | Mar 11–Mar 25 | 235 | fits: 80 days to maturity, 235 available after Mar 11. | Jul 30 |
| Cabbage | Feb 11 | Mar 11–Mar 25 | 249 | fits: 70 days to maturity, 249 available after Mar 11. | Aug 23 |
| Radish | — | Feb 11–May 6 | 263 | two-plantings: Plant Feb 11 and again by Sep 23; both mature before Nov 1. | Sep 23 |
| Beets | — | Feb 11–May 6 | 263 | two-plantings: Plant Feb 11 and again by Aug 24; both mature before Nov 1. | Aug 24 |
| Potatoes | — | Mar 25–Apr 1 | 221 | fits: 90 days to maturity, 221 available after Mar 25. | — |
| Garlic | — | Oct 25 | 305 | overwinter: Plant Oct 25 to Nov 15; harvest the following summer. | Nov 15 |
| Strawberry | — | Mar 4–Apr 29 | 256 | perennial: A perennial: plant Mar 4; it fruits from the following year and keeps producing for several years. | — |
| Corn | Mar 11 | Apr 15–Apr 22 | 172 | fits: 75 days to maturity, 172 available after Apr 15. | Jul 7 |
| Pumpkin | Mar 25 | Apr 22–Apr 22 | 165 | fits: 100 days to maturity, 165 available after Apr 22. | Jun 12 |
| Cauliflower | Feb 25 | Apr 1–Apr 15 | 214 | fits: 75 days to maturity, 214 available after Apr 1. | Aug 4 |
| Swiss Chard | Feb 11 | Mar 25–Mar 25 | 221 | two-plantings: Plant Mar 25 and again by Aug 24; both mature before Nov 1. | Aug 24 |
| Arugula | — | Feb 11–May 6 | 277 | two-plantings: Plant Feb 11 and again by Sep 22; both mature before Nov 15. | Sep 22 |
| Brussel Sprouts | Feb 11 | Mar 11–Mar 25 | 249 | fits: 100 days to maturity, 249 available after Mar 11. | Jul 24 |
| Butternut Squash | Mar 25 | Apr 22–Apr 29 | 165 | fits: 100 days to maturity, 165 available after Apr 22. | Jun 12 |
| Eggplant | Feb 18 | Apr 22–Apr 29 | 158 | fits: 70 days to maturity, 158 available after Apr 22. | Jul 5 |
| Okra | Mar 11 | Apr 15–Apr 22 | 179 | two-plantings: Plant Apr 15 and again by Aug 3; both mature before Oct 11. | Aug 3 |
| Basil | Mar 4 | Apr 29–Apr 29 | 165 | two-plantings: Plant Apr 29 and again by Jul 29; both mature before Oct 11. | Jul 29 |
| Cilantro | — | Mar 11–Apr 1 | 235 | two-plantings: Plant Mar 11 and again by Aug 29; both mature before Nov 1. | Aug 29 |
| Parsley | Jan 28 | Apr 15–Apr 22 | 200 | fits: 70 days to maturity, 200 available after Apr 15. | Aug 9 |
| Celery | Jan 28 | Apr 15–Apr 29 | 200 | fits: 120 days to maturity, 200 available after Apr 15. | Jun 20 |
| Scallions | Jan 28 | Mar 11–Mar 25 | 249 | two-plantings: Plant Mar 11 and again by Sep 2; both mature before Nov 15. | Sep 2 |
| Turnip | — | Mar 11–Mar 25 | 249 | two-plantings: Plant Mar 11 and again by Sep 12; both mature before Nov 15. | Sep 12 |
| Kohlrabi | — | Feb 25–Mar 11 | 263 | two-plantings: Plant Feb 25 and again by Sep 7; both mature before Nov 15. | Sep 7 |
| Bok Choy | Mar 11 | Apr 1–Apr 8 | 214 | two-plantings: Plant Apr 1 and again by Sep 3; both mature before Nov 1. | Sep 3 |
| Collards | Jan 28 | Mar 11–Mar 25 | 249 | two-plantings: Plant Mar 11 and again by Sep 2; both mature before Nov 15. | Sep 2 |
| Cantaloupe | Mar 25 | Apr 22–Apr 29 | 158 | fits: 85 days to maturity, 158 available after Apr 22. | Jun 20 |
| Chives | Jan 14 | Apr 15–Apr 22 | 214 | fits: 90 days to maturity, 214 available after Apr 15. | — |
| Dill | — | Feb 11–May 6 | 263 | two-plantings: Plant Feb 11 and again by Aug 24; both mature before Nov 1. | Aug 24 |
| Oregano | Jan 28 | Apr 15–Apr 22 | 214 | fits: 80 days to maturity, 214 available after Apr 15. | — |
| Rosemary | Jan 14 | Apr 15–Apr 22 | 200 | fits: 80 days to maturity, 200 available after Apr 15. | — |
| Sage | Feb 11 | Apr 15–Apr 22 | 214 | fits: 75 days to maturity, 214 available after Apr 15. | — |
| Thyme | Jan 28 | Apr 15–Apr 22 | 214 | fits: 90 days to maturity, 214 available after Apr 15. | — |
| Calendula | Feb 25 | Mar 25–Apr 8 | 221 | two-plantings: Plant Mar 25 and again by Aug 29; both mature before Nov 1. | Aug 29 |
| Cosmos | Mar 11 | Apr 8–Apr 22 | 186 | two-plantings: Plant Apr 8 and again by Jul 29; both mature before Oct 11. | Jul 29 |
| Lavender | Jan 14 | Apr 8–Apr 22 | 221 | fits: 90 days to maturity, 221 available after Apr 8. | — |
| Marigolds | Feb 25 | Apr 8–Apr 15 | 186 | two-plantings: Plant Apr 8 and again by Aug 8; both mature before Oct 11. | Aug 8 |
| Melons | Mar 25 | Apr 22–Apr 29 | 158 | fits: 85 days to maturity, 158 available after Apr 22. | Jun 20 |
| Mint | — | Apr 8–Apr 22 | 221 | fits: 90 days to maturity, 221 available after Apr 8. | — |
| Nasturtiums | Mar 11 | Apr 8–Apr 15 | 186 | two-plantings: Plant Apr 8 and again by Aug 3; both mature before Oct 11. | Aug 3 |
| Pole Beans | — | Apr 15–Apr 29 | 179 | fits: 65 days to maturity, 179 available after Apr 15. | Jul 24 |
| Spaghetti Squash | Mar 25 | Apr 22–Apr 29 | 165 | fits: 90 days to maturity, 165 available after Apr 22. | Jun 22 |
| Sunflowers | — | Apr 8–Apr 22 | 186 | fits: 70 days to maturity, 186 available after Apr 8. | Jul 19 |
| Tomatillos | Feb 11 | Apr 15–Apr 22 | 165 | fits: 75 days to maturity, 165 available after Apr 15. | Jun 30 |
| Watermelon | Mar 25 | Apr 15–Apr 22 | 165 | fits: 80 days to maturity, 165 available after Apr 15. | Jun 25 |
| Yellow Squash | Mar 25 | Apr 22–Apr 29 | 172 | two-plantings: Plant Apr 22 and again by Aug 3; both mature before Oct 11. | Aug 3 |
| Zinnias | Mar 11 | Apr 8–Apr 22 | 186 | two-plantings: Plant Apr 8 and again by Jul 29; both mature before Oct 11. | Jul 29 |
Month by month in Whitwell
| Month | What to do |
|---|---|
| January | Start indoors: Chives (Jan 14), Lavender (Jan 14), Onion (Jan 14), Rosemary (Jan 14), Celery (Jan 28), Collards (Jan 28), +5 more. |
| February | Start indoors: Broccoli (Feb 11), Brussel Sprouts (Feb 11), Cabbage (Feb 11), Lettuce (Feb 11), Sage (Feb 11), Swiss Chard (Feb 11), +6 more. Direct sow from: Arugula (Feb 11), Beets (Feb 11), Dill (Feb 11), Peas (Feb 11), Radish (Feb 11), Spinach (Feb 11), +1 more. |
| March | Start indoors: Basil (Mar 4), Tomato (Mar 4), Bok Choy (Mar 11), Corn (Mar 11), Cosmos (Mar 11), Nasturtiums (Mar 11), +11 more. Direct sow from: Cilantro (Mar 11), Turnip (Mar 11), Carrots (Mar 18), Potatoes (Mar 25). Transplant from: Broccoli (Mar 11), Brussel Sprouts (Mar 11), Cabbage (Mar 11), Collards (Mar 11), Kale (Mar 11), Lettuce (Mar 11), +4 more. Plant: Strawberry (Mar 4). |
| April | Direct sow from: Sunflowers (Apr 8), Beans (Apr 15), Pole Beans (Apr 15). Transplant from: Bok Choy (Apr 1), Cauliflower (Apr 1), Cosmos (Apr 8), Lavender (Apr 8), Marigolds (Apr 8), Mint (Apr 8), +25 more. Last frost around April 8. |
| May | Frost has passed. Transplant tomatoes, peppers, and basil outdoors. Direct sow beans, cucumbers, squash, and zucchini. |
| June | Last sowing dates: Butternut Squash (Jun 12), Pumpkin (Jun 12), Cantaloupe (Jun 20), Celery (Jun 20), Melons (Jun 20), Spaghetti Squash (Jun 22), +4 more. |
| July | Last sowing dates: Eggplant (Jul 5), Corn (Jul 7), Sunflowers (Jul 19), Brussel Sprouts (Jul 24), Pole Beans (Jul 24), Basil (Jul 29), +4 more. |
| August | Last sowing dates: Nasturtiums (Aug 3), Okra (Aug 3), Yellow Squash (Aug 3), Zucchini (Aug 3), Cauliflower (Aug 4), Beans (Aug 5), +10 more. |
| September | Last sowing dates: Collards (Sep 2), Scallions (Sep 2), Bok Choy (Sep 3), Lettuce (Sep 3), Kale (Sep 7), Kohlrabi (Sep 7), +4 more. |
| October | Direct sow from: Garlic (Oct 25). First frost around October 25. |
| November | Last sowing dates: Garlic (Nov 15). |
| December | Clean up spent plants. Add compost to beds. Rest, review, and plan next year's garden. |
Frequently Asked Questions
What is the last frost date for Whitwell, TN (ZIP 37397)?
The median last spring frost date for Whitwell, TN (ZIP code 37397) is around April 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. One year in ten frost ends before March 27; one in ten it runs past April 21.
What is the first fall frost date in Whitwell, TN?
The median first fall frost date for Whitwell, TN is around October 25. 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 October 8 in the earliest one-in-ten years, so cover tomatoes and peppers from then.
How long is the growing season in Whitwell, TN?
The frost-free growing season in Whitwell is about 200 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 Whitwell (200 frost-free days, a long season), 30 of 56 planner crops fit outright, 25 get two plantings, 1 crop is perennial.
What USDA hardiness zone is Whitwell, TN?
Whitwell, TN is in USDA hardiness zone 7b (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 Whitwell, TN?
Start tomatoes indoors Mar 4 and plant out Apr 22 in Whitwell. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.
How many plantings of lettuce fit in Whitwell?
Two: plant Mar 11 and again by Sep 3; both mature before Nov 1.
When do I plant garlic in Whitwell?
Oct 25 to Nov 15; it overwinters and is ready the following summer.
Can I get two tomato crops in Whitwell?
Yes: plant out Apr 22 for a summer crop, and set out a second round of transplants by Jun 25 for a fall crop.
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