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USDA Hardiness Zone 7a

Frost Dates for 42134 — Franklin, Kentucky

Averages from Portland Sewage Plt, Tn US, the nearest reporting station, 9.5 miles away.

Plant tender crops after April 5, and expect the first autumn freeze around November 1. That leaves about 210 frost-free days.

Last spring frost
April 5

50% probability

First fall frost
November 1

50% probability

Growing season
210 days

frost-free

Hardiness zone
7a

0 to 5°F annual low

First snow
January 13

median, 1991–2020

Last snow
February 15

median, 1991–2020

Winters with snow
79%

15 of 19 observed

Snow per year
4.3"

NOAA normal

When it snows in Franklin, Kentucky

The first measurable snow (0.1 inch or more) in Franklin, Kentucky usually arrives around January 13, and the last of the season around February 15. Those are the middle dates across the winters of 1991–2020 at Franklin, Ky US, 4.7 miles away: half of years saw snow earlier, half later. Snow fell in 79% of those winters.

For a gardener, snow matters less than frost: a light snow on frozen ground changes nothing, while a hard frost on an unprotected bed ends the season. Use the frost dates above for planting and the snow dates for getting hoses drained, mulch down and tender pots indoors.

Planting calendar for 42134

What to do and when, based on the frost normals for Franklin, Kentucky
WhenWhat to do
January 25 – February 8

Start peppers and aubergines indoors

They need eight to ten weeks under lights before they can go out.

February 8 – February 22

Start tomatoes indoors

Six to eight weeks gives a transplant big enough to set fruit early.

March 8 – March 22

Sow peas, spinach, lettuce, radish outdoors

These tolerate light frost and prefer to germinate in cool soil.

April 5 onward

Transplant tomatoes, peppers, basil, squash, cucumbers

The average last freeze has passed — still watch the actual forecast.

by August 9

Sow the autumn crop of carrots, beets and brassicas

They need about twelve weeks to size up before growth stops.

by October 18

Harvest tender crops, or be ready to cover them

A first freeze two weeks early is well within normal variation.

November 1 onward

Plant garlic, mulch beds, lift tender bulbs

Garlic wants a cold spell; bare soil loses structure over winter.

What these dates mean

Wait until after April 5 to put tender plants — tomatoes, peppers, basil, squash — in the ground. That is the date by which half of years in Franklin, Kentucky are past their last freeze. Harvest before November 1, which leaves roughly 210 frost-free days.

ZIP 42134 sits in USDA hardiness zone 7a, meaning the average coldest night of the year falls between 0 to 5°F. Zone decides what survives the winter; frost dates decide when to plant each spring. They are different questions, and a plant can pass one and fail the other.

These are thirty-year NOAA averages for 1991–2020, not a forecast. Any individual year can frost two to three weeks either side of these dates, so check the actual forecast before planting out.

Other zone 7a ZIP codes in Kentucky