Frost Dates for Kennett, MO 63857

Last spring frost March 31 · First fall frost October 29 · 212 frost-free days · USDA Zone 7b

Frost probability for 63857

Frost10%50%90%
Spring (last frost)April 13March 31March 18
Fall (first frost)October 13October 29November 14

Dates come from NOAA 1971–2000 freeze probabilities at the nearest reporting station (42.1 km away); the 50% date is the median year.

Month by month in Kennett

MonthWhat to do
JanuaryStart peppers and eggplant indoors 8–10 weeks before your last frost (around March 31). Start tomatoes about two weeks later, 6–8 weeks before last frost.
FebruaryStart herbs, basil, and squash indoors (4–6 weeks before frost). Direct sow peas, spinach, and lettuce if soil is workable.
MarchLast frost around March 31. Transplant cold-hardy crops (broccoli, kale, cabbage). Harden off tomato and pepper seedlings.
AprilFrost has passed. Transplant tomatoes, peppers, and basil outdoors. Direct sow beans, cucumbers, squash, and zucchini.
MaySuccession plant lettuce and greens. Keep beds weeded and watered consistently.
JuneHarvest regularly to encourage production. Monitor for pests and disease.
JulyMidsummer: harvest beans, zucchini, cucumbers. Start brassica seeds indoors for fall.
AugustDirect sow carrots and beets for fall harvest. Start fall broccoli and kale indoors.
SeptemberFirst fall frost approaching (around October 29). Transplant fall brassicas. Sow spinach, arugula, and radishes.
OctoberFirst frost around October 29. Harvest tomatoes and peppers before frost. Cover cold-hardy crops with row covers to extend the season.
NovemberHarvest remaining cold-hardy crops: kale, carrots, and beets. Plant garlic bulbs for next year.
DecemberClean up spent plants. Add compost to beds. Rest, review, and plan next year's garden.

What grows in a 212-day season

Frequently Asked Questions

What is the last frost date for Kennett, MO (ZIP 63857)?

The median last spring frost date for Kennett, MO (ZIP code 63857) is around March 31. 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.

What is the first fall frost date in Kennett, MO?

The median first fall frost date for Kennett, MO is around October 29. Plan to harvest or protect frost-sensitive crops like tomatoes and peppers at least a week before this date to avoid losses.

How long is the growing season in Kennett, MO?

The frost-free growing season in Kennett is about 212 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.

What USDA hardiness zone is Kennett, MO?

Based on frost date patterns, Kennett falls approximately in 7b. USDA hardiness zones are determined by average annual minimum winter temperatures and guide both plant selection and planting timing for your location.

When should I start tomatoes indoors in Kennett, MO?

Start tomato seeds indoors 6–8 weeks before your last frost date (around March 31). For Kennett, that's roughly February 4 to February 18. Transplant outdoors 1–2 weeks after your last frost.

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