Frost Dates for Harrodsburg, KY 40330
Last spring frost April 12 · First fall frost October 27 · 198 frost-free days · USDA Zone 7a
ZIP 40330 has about 21,300 people.
Long season: 198 frost-free days. Spring frost risk spans March 30–April 26 (27 days). Fall frost risk spans October 12–November 10 (29 days).
Frost probability for 40330
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | April 26 | April 12 | March 30 |
| Fall (first frost) | October 12 | October 27 | November 10 |
Dates come from NOAA 1971–2000 freeze probabilities at DANVILLE (18.4 km away); the 50% date is the median year.
Which crops fit a 198-day season in Harrodsburg
In Harrodsburg (198 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 8 | Apr 26–May 3 | 156 | fits: 80 days to maturity, 156 available after Apr 26. | Jun 27 |
| Pepper | Mar 1 | Apr 26–May 3 | 156 | fits: 75 days to maturity, 156 available after Apr 26. | Jul 2 |
| Lettuce | Feb 15 | Mar 15–Mar 22 | 233 | two-plantings: Plant Mar 15 and again by Sep 5; both mature before Nov 3. | Sep 5 |
| Carrots | — | Mar 22–Mar 29 | 240 | fits: 70 days to maturity, 240 available after Mar 22. | Aug 25 |
| Cucumber | Mar 22 | Apr 26–May 3 | 170 | two-plantings: Plant Apr 26 and again by Jul 31; both mature before Oct 13. | Jul 31 |
| Beans | — | Apr 19–May 3 | 184 | two-plantings: Plant Apr 19 and again by Aug 7; both mature before Oct 20. | Aug 7 |
| Peas | — | Feb 15–Apr 26 | 261 | fits: 65 days to maturity, 261 available after Feb 15. | Aug 16 |
| Zucchini | Mar 29 | Apr 26–May 3 | 170 | two-plantings: Plant Apr 26 and again by Aug 5; both mature before Oct 13. | Aug 5 |
| Onion | Jan 18 | Mar 15–Mar 29 | 233 | fits: 100 days to maturity, 233 available after Mar 15. | — |
| Spinach | — | Feb 15–Apr 5 | 275 | two-plantings: Plant Feb 15 and again by Sep 24; both mature before Nov 17. | Sep 24 |
| Kale | Feb 1 | Mar 15–Mar 29 | 247 | two-plantings: Plant Mar 15 and again by Sep 9; both mature before Nov 17. | Sep 9 |
| Broccoli | Feb 15 | Mar 15–Mar 29 | 233 | fits: 80 days to maturity, 233 available after Mar 15. | Aug 1 |
| Cabbage | Feb 15 | Mar 15–Mar 29 | 247 | fits: 70 days to maturity, 247 available after Mar 15. | Aug 25 |
| Radish | — | Feb 15–May 10 | 261 | two-plantings: Plant Feb 15 and again by Sep 25; both mature before Nov 3. | Sep 25 |
| Beets | — | Feb 15–May 10 | 261 | two-plantings: Plant Feb 15 and again by Aug 26; both mature before Nov 3. | Aug 26 |
| Potatoes | — | Mar 29–Apr 5 | 219 | fits: 90 days to maturity, 219 available after Mar 29. | — |
| Garlic | — | Oct 27 | 303 | overwinter: Plant Oct 27 to Nov 17; harvest the following summer. | Nov 17 |
| Strawberry | — | Mar 8–May 3 | 254 | perennial: A perennial: plant Mar 8; it fruits from the following year and keeps producing for several years. | — |
| Corn | Mar 15 | Apr 19–Apr 26 | 170 | fits: 75 days to maturity, 170 available after Apr 19. | Jul 9 |
| Pumpkin | Mar 29 | Apr 26–Apr 26 | 163 | fits: 100 days to maturity, 163 available after Apr 26. | Jun 14 |
| Cauliflower | Mar 1 | Apr 5–Apr 19 | 212 | fits: 75 days to maturity, 212 available after Apr 5. | Aug 6 |
| Swiss Chard | Feb 15 | Mar 29–Mar 29 | 219 | two-plantings: Plant Mar 29 and again by Aug 26; both mature before Nov 3. | Aug 26 |
| Arugula | — | Feb 15–May 10 | 275 | two-plantings: Plant Feb 15 and again by Sep 24; both mature before Nov 17. | Sep 24 |
| Brussel Sprouts | Feb 15 | Mar 15–Mar 29 | 247 | fits: 100 days to maturity, 247 available after Mar 15. | Jul 26 |
| Butternut Squash | Mar 29 | Apr 26–May 3 | 163 | fits: 100 days to maturity, 163 available after Apr 26. | Jun 14 |
| Eggplant | Feb 22 | Apr 26–May 3 | 156 | fits: 70 days to maturity, 156 available after Apr 26. | Jul 7 |
| Okra | Mar 15 | Apr 19–Apr 26 | 177 | two-plantings: Plant Apr 19 and again by Aug 5; both mature before Oct 13. | Aug 5 |
| Basil | Mar 8 | May 3–May 3 | 163 | two-plantings: Plant May 3 and again by Jul 31; both mature before Oct 13. | Jul 31 |
| Cilantro | — | Mar 15–Apr 5 | 233 | two-plantings: Plant Mar 15 and again by Aug 31; both mature before Nov 3. | Aug 31 |
| Parsley | Feb 1 | Apr 19–Apr 26 | 198 | fits: 70 days to maturity, 198 available after Apr 19. | Aug 11 |
| Celery | Feb 1 | Apr 19–May 3 | 198 | fits: 120 days to maturity, 198 available after Apr 19. | Jun 22 |
| Scallions | Feb 1 | Mar 15–Mar 29 | 247 | two-plantings: Plant Mar 15 and again by Sep 4; both mature before Nov 17. | Sep 4 |
| Turnip | — | Mar 15–Mar 29 | 247 | two-plantings: Plant Mar 15 and again by Sep 14; both mature before Nov 17. | Sep 14 |
| Kohlrabi | — | Mar 1–Mar 15 | 261 | two-plantings: Plant Mar 1 and again by Sep 9; both mature before Nov 17. | Sep 9 |
| Bok Choy | Mar 15 | Apr 5–Apr 12 | 212 | two-plantings: Plant Apr 5 and again by Sep 5; both mature before Nov 3. | Sep 5 |
| Collards | Feb 1 | Mar 15–Mar 29 | 247 | two-plantings: Plant Mar 15 and again by Sep 4; both mature before Nov 17. | Sep 4 |
| Cantaloupe | Mar 29 | Apr 26–May 3 | 156 | fits: 85 days to maturity, 156 available after Apr 26. | Jun 22 |
| Chives | Jan 18 | Apr 19–Apr 26 | 212 | fits: 90 days to maturity, 212 available after Apr 19. | — |
| Dill | — | Feb 15–May 10 | 261 | two-plantings: Plant Feb 15 and again by Aug 26; both mature before Nov 3. | Aug 26 |
| Oregano | Feb 1 | Apr 19–Apr 26 | 212 | fits: 80 days to maturity, 212 available after Apr 19. | — |
| Rosemary | Jan 18 | Apr 19–Apr 26 | 198 | fits: 80 days to maturity, 198 available after Apr 19. | — |
| Sage | Feb 15 | Apr 19–Apr 26 | 212 | fits: 75 days to maturity, 212 available after Apr 19. | — |
| Thyme | Feb 1 | Apr 19–Apr 26 | 212 | fits: 90 days to maturity, 212 available after Apr 19. | — |
| Calendula | Mar 1 | Mar 29–Apr 12 | 219 | two-plantings: Plant Mar 29 and again by Aug 31; both mature before Nov 3. | Aug 31 |
| Cosmos | Mar 15 | Apr 12–Apr 26 | 184 | two-plantings: Plant Apr 12 and again by Jul 31; both mature before Oct 13. | Jul 31 |
| Lavender | Jan 18 | Apr 12–Apr 26 | 219 | fits: 90 days to maturity, 219 available after Apr 12. | — |
| Marigolds | Mar 1 | Apr 12–Apr 19 | 184 | two-plantings: Plant Apr 12 and again by Aug 10; both mature before Oct 13. | Aug 10 |
| Melons | Mar 29 | Apr 26–May 3 | 156 | fits: 85 days to maturity, 156 available after Apr 26. | Jun 22 |
| Mint | — | Apr 12–Apr 26 | 219 | fits: 90 days to maturity, 219 available after Apr 12. | — |
| Nasturtiums | Mar 15 | Apr 12–Apr 19 | 184 | two-plantings: Plant Apr 12 and again by Aug 5; both mature before Oct 13. | Aug 5 |
| Pole Beans | — | Apr 19–May 3 | 177 | fits: 65 days to maturity, 177 available after Apr 19. | Jul 26 |
| Spaghetti Squash | Mar 29 | Apr 26–May 3 | 163 | fits: 90 days to maturity, 163 available after Apr 26. | Jun 24 |
| Sunflowers | — | Apr 12–Apr 26 | 184 | fits: 70 days to maturity, 184 available after Apr 12. | Jul 21 |
| Tomatillos | Feb 15 | Apr 19–Apr 26 | 163 | fits: 75 days to maturity, 163 available after Apr 19. | Jul 2 |
| Watermelon | Mar 29 | Apr 19–Apr 26 | 163 | fits: 80 days to maturity, 163 available after Apr 19. | Jun 27 |
| Yellow Squash | Mar 29 | Apr 26–May 3 | 170 | two-plantings: Plant Apr 26 and again by Aug 5; both mature before Oct 13. | Aug 5 |
| Zinnias | Mar 15 | Apr 12–Apr 26 | 184 | two-plantings: Plant Apr 12 and again by Jul 31; both mature before Oct 13. | Jul 31 |
Month by month in Harrodsburg
| Month | What to do |
|---|---|
| January | Start indoors: Chives (Jan 18), Lavender (Jan 18), Onion (Jan 18), Rosemary (Jan 18). |
| February | Start indoors: Celery (Feb 1), Collards (Feb 1), Kale (Feb 1), Oregano (Feb 1), Parsley (Feb 1), Scallions (Feb 1), +9 more. Direct sow from: Arugula (Feb 15), Beets (Feb 15), Dill (Feb 15), Peas (Feb 15), Radish (Feb 15), Spinach (Feb 15). |
| March | Start indoors: Calendula (Mar 1), Cauliflower (Mar 1), Marigolds (Mar 1), Pepper (Mar 1), Basil (Mar 8), Tomato (Mar 8), +15 more. Direct sow from: Kohlrabi (Mar 1), Cilantro (Mar 15), Turnip (Mar 15), Carrots (Mar 22), Potatoes (Mar 29). Transplant from: Broccoli (Mar 15), Brussel Sprouts (Mar 15), Cabbage (Mar 15), Collards (Mar 15), Kale (Mar 15), Lettuce (Mar 15), +4 more. Plant: Strawberry (Mar 8). |
| April | Direct sow from: Sunflowers (Apr 12), Beans (Apr 19), Pole Beans (Apr 19). Transplant from: Bok Choy (Apr 5), Cauliflower (Apr 5), Cosmos (Apr 12), Lavender (Apr 12), Marigolds (Apr 12), Mint (Apr 12), +24 more. Last frost around April 12. |
| May | Transplant from: Basil (May 3). |
| June | Last sowing dates: Butternut Squash (Jun 14), Pumpkin (Jun 14), Cantaloupe (Jun 22), Celery (Jun 22), Melons (Jun 22), Spaghetti Squash (Jun 24), +2 more. |
| July | Last sowing dates: Pepper (Jul 2), Tomatillos (Jul 2), Eggplant (Jul 7), Corn (Jul 9), Sunflowers (Jul 21), Brussel Sprouts (Jul 26), +5 more. |
| August | Last sowing dates: Broccoli (Aug 1), Nasturtiums (Aug 5), Okra (Aug 5), Yellow Squash (Aug 5), Zucchini (Aug 5), Cauliflower (Aug 6), +11 more. |
| September | Last sowing dates: Collards (Sep 4), Scallions (Sep 4), Bok Choy (Sep 5), Lettuce (Sep 5), Kale (Sep 9), Kohlrabi (Sep 9), +4 more. |
| October | Direct sow from: Garlic (Oct 27). First frost around October 27. |
| November | Last sowing dates: Garlic (Nov 17). |
| 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 Harrodsburg, KY (ZIP 40330)?
The median last spring frost date for Harrodsburg, KY (ZIP code 40330) is around April 12. 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 30; one in ten it runs past April 26.
What is the first fall frost date in Harrodsburg, KY?
The median first fall frost date for Harrodsburg, KY is around October 27. 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 12 in the earliest one-in-ten years, so cover tomatoes and peppers from then.
How long is the growing season in Harrodsburg, KY?
The frost-free growing season in Harrodsburg is about 198 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 Harrodsburg (198 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 Harrodsburg, KY?
Harrodsburg, KY is in USDA hardiness zone 7a (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 Harrodsburg, KY?
Start tomatoes indoors Mar 8 and plant out Apr 26 in Harrodsburg. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.
How many plantings of lettuce fit in Harrodsburg?
Two: plant Mar 15 and again by Sep 5; both mature before Nov 3.
When do I plant garlic in Harrodsburg?
Oct 27 to Nov 17; it overwinters and is ready the following summer.
Can I get two tomato crops in Harrodsburg?
Yes: plant out Apr 26 for a summer crop, and set out a second round of transplants by Jun 27 for a fall crop.
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