Frost Dates & Planting Calendar for Campbellsville, KY

Plan your garden around Campbellsville, KY's typical frost-free growing season, using NOAA climate normals and a 42-crop planting calendar built for this location.

Last Spring Frost
April 15
Safe May 2 Typical Apr 15 Risky Mar 31
First Fall Frost
October 24
Safe Oct 11 Typical Oct 24 Risky Nov 6
Growing Season
192 days
Typical last frost to typical first frost.
USDA Hardiness Zone
Zone 7a
Mild winters and a long growing season, room for both cool- and warm-season crops.
Data: NOAA station GREENSBURG, KY US, 17 km away.
days until the typical last spring frost

Monthly Temperatures

Monthly normal temperatures (°F) 20°40°60°80°100° JFMAMJJASOND
Avg. high Avg. temp Avg. low

Planting Calendar

Vegetables
CropStart indoorsDirect sowTransplantFall plantingMaturityNotes
Tomato Feb 18 – Mar 4 Apr 22 – Apr 29 60–85 days Start indoors 6-8 weeks before last frost; transplant out 1-2 weeks after last frost once soil has warmed.
Pepper Feb 4 – Feb 18 Apr 22 – May 6 60–90 days Slow to germinate; start indoors 8-10 weeks before last frost. Transplant only once nights stay above 55F, 1-3 weeks after last frost.
Eggplant Feb 4 – Feb 18 Apr 29 – May 6 65–85 days Warm-season crop, similar timing to pepper; needs consistently warm soil (65F+) to transplant.
Cucumber Mar 18 – Mar 25 Apr 22 – Apr 29 Apr 22 – Apr 29 50–65 days Can be started indoors 3-4 weeks before transplanting, or direct-sown 1-2 weeks after last frost once soil is warm.
Zucchini Mar 25 – Apr 1 Apr 22 – May 6 Apr 22 – Apr 29 45–55 days Fast-growing squash; direct sow 1-3 weeks after last frost, or start indoors 2-3 weeks early for a head start.
Winter Squash Mar 18 – Mar 25 Apr 22 – May 6 Apr 22 – Apr 29 80–110 days Long season; direct sow after soil warms, or start indoors 3-4 weeks before last frost in short-season climates.
Pumpkin Apr 22 – May 6 90–120 days Direct sow 1-3 weeks after last frost; back-time from your first fall frost so the 90-120 day maturity window lands before it.
Watermelon Mar 18 – Mar 25 Apr 29 – May 6 70–90 days Needs warm soil (65F+); start indoors 3-4 weeks before last frost, transplant 2-3 weeks after last frost.
Cantaloupe Mar 18 – Mar 25 Apr 29 – May 6 70–90 days Same warm-soil requirements as watermelon; avoid disturbing roots when transplanting.
Corn Apr 15 – Apr 29 60–100 days Direct sow at last frost to 2 weeks after, once soil reaches 60F; does not transplant well. Succession sow every 2 weeks.
Green Bean Apr 15 – Apr 29 50–65 days Direct sow at last frost to 2 weeks after, once soil has warmed; frost-tender, do not rush.
Pea Mar 4 – Mar 18 55–70 days Cold-hardy; direct sow 4-6 weeks before last frost as soon as soil can be worked.
Lettuce Mar 18 – Apr 1 Aug 29 – Sep 12 45–60 days Cold-hardy; direct sow 2-4 weeks before last frost. Also transplantable from indoor starts.
Spinach Mar 4 – Mar 18 Aug 29 – Sep 12 40–50 days Very cold-hardy; direct sow 4-6 weeks before last frost as soon as soil can be worked.
Kale Mar 18 – Apr 1 Aug 15 – Aug 29 50–65 days Cold-hardy; direct sow 2-4 weeks before last frost or start indoors for earlier transplants.
Arugula Mar 18 – Apr 1 Sep 12 – Sep 19 30–40 days Fast-growing, cold-tolerant green; direct sow 2-4 weeks before last frost, succession sow every 2-3 weeks.
Swiss Chard Mar 25 – Apr 8 50–60 days Fairly cold-hardy; direct sow 1-3 weeks before last frost. Tolerates light frost in fall too.
Broccoli Feb 25 – Mar 11 Mar 25 – Apr 1 Aug 22 – Aug 29 55–80 days Start indoors 5-7 weeks before last frost; transplant out 2-3 weeks before last frost (hardens off to light frost).
Cauliflower Feb 25 – Mar 11 Apr 1 – Apr 8 Aug 15 – Aug 22 55–85 days Fussier than broccoli about temperature swings; start indoors 5-7 weeks before last frost, transplant 1-2 weeks before last frost.
Cabbage Feb 25 – Mar 11 Mar 18 – Apr 1 Aug 15 – Aug 29 60–100 days Cold-hardy; start indoors 5-7 weeks before last frost, transplant 2-4 weeks before last frost.
Brussels Sprouts Feb 25 – Mar 11 Mar 25 – Apr 8 90–110 days Long-season crop best timed to mature after a light fall frost for sweetest flavor; start indoors 5-7 weeks before last frost.
Carrot Mar 18 – Apr 1 Aug 1 – Aug 15 60–80 days Direct sow only (does not transplant); sow 2-4 weeks before last frost, as soon as soil can be worked.
Beet Mar 18 – Apr 1 Aug 15 – Aug 29 50–65 days Direct sow 2-4 weeks before last frost; tolerates light frost.
Radish Mar 11 – Mar 25 Sep 12 – Sep 26 22–30 days Very fast and cold-hardy; direct sow 3-5 weeks before last frost, as soon as soil can be worked.
Turnip Mar 18 – Apr 1 Aug 15 – Aug 29 40–60 days Cold-hardy; direct sow 2-4 weeks before last frost.
Onion Feb 4 – Feb 18 Mar 18 – Apr 1 90–120 days Start seeds indoors 8-10 weeks before last frost (or use sets/transplants); set out 2-4 weeks before last frost, very cold-tolerant as seedlings.
Garlic Sep 26 – Oct 10 240–270 days Fall-planted crop only; not planted in spring in most climates.
Potato Mar 18 – Apr 1 70–120 days Plant seed potatoes 2-4 weeks before last frost, as soon as soil can be worked and is above 45F; light frost on emerging foliage is usually tolerated.
Sweet Potato Apr 29 – May 13 90–120 days Set out slips 2-4 weeks after last frost once soil is thoroughly warm (65F+); very frost/cold sensitive.
Asparagus Mar 18 – Apr 1 730–1095 days Perennial; plant crowns 2-4 weeks before last frost as soon as soil can be worked. Takes 2-3 years to full production.
Herbs
CropStart indoorsDirect sowTransplantFall plantingMaturityNotes
Basil Mar 4 – Mar 11 Apr 22 – Apr 29 50–70 days Very frost/cold sensitive; start indoors 5-6 weeks before last frost, transplant only after all danger of frost (1-2 weeks after) and nights stay warm.
Cilantro Mar 25 – Apr 8 Aug 29 – Sep 12 45–70 days Cool-season, bolts in heat; direct sow 1-3 weeks before last frost, succession sow through spring.
Parsley Feb 18 – Mar 4 Apr 1 – Apr 8 70–90 days Slow to germinate; start indoors 6-8 weeks before last frost, transplant 1-2 weeks before last frost (biennial, cold-tolerant).
Dill Mar 25 – Apr 8 40–60 days Taprooted, does not transplant well; direct sow 1-3 weeks before last frost, succession sow through summer.
Oregano Feb 18 – Mar 4 Apr 15 – Apr 22 80–90 days Perennial herb; start indoors 6-8 weeks before last frost, transplant around/just after last frost date.
Thyme Feb 18 – Mar 4 Apr 15 – Apr 22 85–95 days Perennial herb, slow from seed; start indoors 6-8 weeks before last frost, transplant around/after last frost.
Flowers
CropStart indoorsDirect sowTransplantFall plantingMaturityNotes
Sunflower Apr 22 – May 6 70–100 days Direct sow 1-3 weeks after last frost once soil has warmed; taprooted, resents transplanting.
Zinnia Mar 18 – Mar 25 Apr 22 – May 6 Apr 22 – Apr 29 60–70 days Frost-tender; direct sow 1-3 weeks after last frost, or start indoors 3-4 weeks early for earlier blooms.
Marigold Mar 4 – Mar 18 Apr 22 – Apr 29 45–60 days Frost-tender; start indoors 4-6 weeks before last frost, transplant after all frost danger has passed.
Cosmos Mar 18 – Mar 25 Apr 22 – May 6 Apr 22 – Apr 29 60–90 days Easy from direct seed 1-3 weeks after last frost; can also start indoors 3-4 weeks early.
Nasturtium Apr 22 – May 6 50–65 days Frost-tender, resents root disturbance; direct sow 1-3 weeks after last frost once soil has warmed.
Dahlia Apr 22 – May 6 90–120 days Plant tubers 1-3 weeks after last frost once soil is warm (60F+); very frost-sensitive.

Date ranges are estimates based on university extension guidelines and this city's NOAA frost normals — not a guarantee. Scroll to see all columns on narrow screens.

Frequently Asked Questions

When is the last frost in Campbellsville, KY?

Based on 1991–2020 NOAA climate normals for the GREENSBURG, KY US station, the last spring frost in Campbellsville typically falls around April 15. A cautious gardener might wait until May 2 (only a 10% chance of a later frost), while March 31 marks an earlier, higher-risk planting date.

When is the first frost in Campbellsville, KY in fall?

The first fall frost in Campbellsville typically arrives around October 24. To stay safe, assume frost could start as early as October 11; in milder years it can hold off until November 6.

How long is the growing season in Campbellsville, KY?

Campbellsville's average frost-free growing season is about 192 days, running from the typical last spring frost (April 15) to the typical first fall frost (October 24).

What USDA hardiness zone is Campbellsville, KY in?

Campbellsville, KY is in USDA plant hardiness zone 7a, per the USDA's 2023 Plant Hardiness Zone Map. Mild winters and a long growing season, room for both cool- and warm-season crops.

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