Frost Dates & Planting Calendar for Mayfield, KY

The average first fall frost in Mayfield, KY is October 19, and the average last spring frost is April 9, giving a growing season of about 192 days.

Plan your garden around Mayfield, 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 9

Safe Apr 28 Typical Apr 9 Risky Mar 27

First Fall Frost

October 19

Safe Oct 6 Typical Oct 19 Risky Oct 29

Growing Season

192 days

Typical last frost to typical first frost.

USDA Hardiness Zone

Zone 7b

Mild winters and a long growing season, room for both cool- and warm-season crops.

Data: NOAA station BENTON, KY US, 29.7 km away.

— days until the typical last spring frost

How Mayfield Compares

Mayfield's typical last spring frost (Apr 9) comes earlier than in 50% of the 52 Kentucky cities we track.
Its 192-day growing season is 6 days shorter than the Kentucky median of 198 days.
Compared with Murray (32 km away), Mayfield's last spring frost comes 4 days later than Murray's, and its first fall frost arrives 13 days earlier.
August is the warmest month (average high 90°F) and January the coldest (average low 23°F).

Monthly Temperatures

Avg. high Avg. temp Avg. low

Planting Calendar

Vegetables
Crop	Start indoors	Direct sow	Transplant	Fall planting	Maturity	Notes
Tomato	Feb 12 – Feb 26	—	Apr 16 – Apr 23	—	60–85 days	Start indoors 6-8 weeks before last frost; transplant out 1-2 weeks after last frost once soil has warmed.
Pepper	Jan 29 – Feb 12	—	Apr 16 – Apr 30	—	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	Jan 29 – Feb 12	—	Apr 23 – Apr 30	—	65–85 days	Warm-season crop, similar timing to pepper; needs consistently warm soil (65F+) to transplant.
Cucumber	Mar 12 – Mar 19	Apr 16 – Apr 23	Apr 16 – Apr 23	—	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 19 – Mar 26	Apr 16 – Apr 30	Apr 16 – Apr 23	—	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 12 – Mar 19	Apr 16 – Apr 30	Apr 16 – Apr 23	—	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 16 – Apr 30	—	—	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 12 – Mar 19	—	Apr 23 – Apr 30	—	70–90 days	Needs warm soil (65F+); start indoors 3-4 weeks before last frost, transplant 2-3 weeks after last frost.
Cantaloupe	Mar 12 – Mar 19	—	Apr 23 – Apr 30	—	70–90 days	Same warm-soil requirements as watermelon; avoid disturbing roots when transplanting.
Corn	—	Apr 9 – Apr 23	—	—	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 9 – Apr 23	—	—	50–65 days	Direct sow at last frost to 2 weeks after, once soil has warmed; frost-tender, do not rush.
Pea	—	Feb 26 – Mar 12	—	—	55–70 days	Cold-hardy; direct sow 4-6 weeks before last frost as soon as soil can be worked.
Lettuce	—	Mar 12 – Mar 26	—	Aug 24 – Sep 7	45–60 days	Cold-hardy; direct sow 2-4 weeks before last frost. Also transplantable from indoor starts.
Spinach	—	Feb 26 – Mar 12	—	Aug 24 – Sep 7	40–50 days	Very cold-hardy; direct sow 4-6 weeks before last frost as soon as soil can be worked.
Kale	—	Mar 12 – Mar 26	—	Aug 10 – Aug 24	50–65 days	Cold-hardy; direct sow 2-4 weeks before last frost or start indoors for earlier transplants.
Arugula	—	Mar 12 – Mar 26	—	Sep 7 – Sep 14	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 19 – Apr 2	—	—	50–60 days	Fairly cold-hardy; direct sow 1-3 weeks before last frost. Tolerates light frost in fall too.
Broccoli	Feb 19 – Mar 5	—	Mar 19 – Mar 26	Aug 17 – Aug 24	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 19 – Mar 5	—	Mar 26 – Apr 2	Aug 10 – Aug 17	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 19 – Mar 5	—	Mar 12 – Mar 26	Aug 10 – Aug 24	60–100 days	Cold-hardy; start indoors 5-7 weeks before last frost, transplant 2-4 weeks before last frost.
Brussels Sprouts	Feb 19 – Mar 5	—	Mar 19 – Apr 2	—	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 12 – Mar 26	—	Jul 27 – Aug 10	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 12 – Mar 26	—	Aug 10 – Aug 24	50–65 days	Direct sow 2-4 weeks before last frost; tolerates light frost.
Radish	—	Mar 5 – Mar 19	—	Sep 7 – Sep 21	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 12 – Mar 26	—	Aug 10 – Aug 24	40–60 days	Cold-hardy; direct sow 2-4 weeks before last frost.
Onion	Jan 29 – Feb 12	—	Mar 12 – Mar 26	—	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 21 – Oct 5	240–270 days	Fall-planted crop only; not planted in spring in most climates.
Potato	—	Mar 12 – Mar 26	—	—	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 23 – May 7	—	90–120 days	Set out slips 2-4 weeks after last frost once soil is thoroughly warm (65F+); very frost/cold sensitive.
Asparagus	—	—	Mar 12 – Mar 26	—	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
Crop	Start indoors	Direct sow	Transplant	Fall planting	Maturity	Notes
Basil	Feb 26 – Mar 5	—	Apr 16 – Apr 23	—	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 19 – Apr 2	—	Aug 24 – Sep 7	45–70 days	Cool-season, bolts in heat; direct sow 1-3 weeks before last frost, succession sow through spring.
Parsley	Feb 12 – Feb 26	—	Mar 26 – Apr 2	—	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 19 – Apr 2	—	—	40–60 days	Taprooted, does not transplant well; direct sow 1-3 weeks before last frost, succession sow through summer.
Oregano	Feb 12 – Feb 26	—	Apr 9 – Apr 16	—	80–90 days	Perennial herb; start indoors 6-8 weeks before last frost, transplant around/just after last frost date.
Thyme	Feb 12 – Feb 26	—	Apr 9 – Apr 16	—	85–95 days	Perennial herb, slow from seed; start indoors 6-8 weeks before last frost, transplant around/after last frost.

Flowers
Crop	Start indoors	Direct sow	Transplant	Fall planting	Maturity	Notes
Sunflower	—	Apr 16 – Apr 30	—	—	70–100 days	Direct sow 1-3 weeks after last frost once soil has warmed; taprooted, resents transplanting.
Zinnia	Mar 12 – Mar 19	Apr 16 – Apr 30	Apr 16 – Apr 23	—	60–70 days	Frost-tender; direct sow 1-3 weeks after last frost, or start indoors 3-4 weeks early for earlier blooms.
Marigold	Feb 26 – Mar 12	—	Apr 16 – Apr 23	—	45–60 days	Frost-tender; start indoors 4-6 weeks before last frost, transplant after all frost danger has passed.
Cosmos	Mar 12 – Mar 19	Apr 16 – Apr 30	Apr 16 – Apr 23	—	60–90 days	Easy from direct seed 1-3 weeks after last frost; can also start indoors 3-4 weeks early.
Nasturtium	—	Apr 16 – Apr 30	—	—	50–65 days	Frost-tender, resents root disturbance; direct sow 1-3 weeks after last frost once soil has warmed.
Dahlia	—	—	Apr 16 – Apr 30	—	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 Mayfield, KY?

Based on 1991–2020 NOAA climate normals for the BENTON, KY US station, the last spring frost in Mayfield typically falls around April 9. A cautious gardener might wait until April 28 (only a 10% chance of a later frost), while March 27 marks an earlier, higher-risk planting date.

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

The first fall frost in Mayfield typically arrives around October 19. To stay safe, assume frost could start as early as October 6; in milder years it can hold off until October 29.

How long is the growing season in Mayfield, KY?

Mayfield's average frost-free growing season is about 192 days, running from the typical last spring frost (April 9) to the typical first fall frost (October 19).

What USDA hardiness zone is Mayfield, KY in?

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