Frost Dates for Kaysville, UT

In Kaysville, UT, the average last spring frost is around Apr 19 and the average first fall frost around Oct 19, for a growing season of about 181 days. For frost-tender plants, wait until May 7, when the chance of frost drops to 10%.

Average last frostApr 1950% chance of frost after this date
Safe to plantMay 7only a 10% chance of frost after
Average first frostOct 1950% chance of frost before this date
Growing season181 daysfrost-free in an average year

Based on NOAA 1991–2020 records from the Farmington 3 Nw, UT weather station, under 1 mile away, elevation 4,380 ft. Frost can come earlier in low spots and valleys and later near cities and large lakes.

Frost probability by date

Chance of a 32°F frost after the spring date, or before the fall date.

ChanceLast spring frostFirst fall frost
10%May 7Oct 6
20%May 1Oct 10
30%Apr 27Oct 13
40%Apr 23Oct 16
50%Apr 19Oct 19
60%Apr 16Oct 22
70%Apr 11Oct 25
80%Apr 7Oct 29
90%Apr 1Nov 4

Light frost vs. hard freeze

Average (50%) dates for each temperature. Tender plants are damaged at 36°F; most hardy crops survive until 28°F.

TemperatureLast in springFirst in fall
Light frost (36°F)May 3Oct 9
Frost / freeze (32°F)Apr 19Oct 19
Hard freeze (28°F)Apr 1Nov 1

Planting calendar for Kaysville

Start indoors Plant outside Fall planting
JanFebMarAprMayJunJulAugSepOctNovDec
Tomatoes
Indoors Feb 22 – Mar 8
Transplant Apr 26 – May 10
Peppers
Indoors Feb 8 – Feb 22
Transplant May 3 – May 17
Eggplant
Indoors Feb 8 – Feb 22
Transplant May 3 – May 17
Basil
Indoors Mar 8 – Mar 22
Transplant Apr 26 – May 10
Cucumbers
Indoors Mar 22 – Mar 29
Sow or transplant Apr 26 – May 10
Zucchini and summer squash
Indoors Mar 22 – Mar 29
Sow or transplant Apr 26 – May 10
Pumpkins and winter squash
Sow Apr 26 – May 10
Watermelons and melons
Indoors Mar 22 – Mar 29
Sow or transplant May 3 – May 17
Green beans
Sow Apr 26 – May 10
Sweet corn
Sow Apr 26 – May 10
Lettuce
Indoors Mar 8 – Mar 22
Sow or transplant Mar 22 – Apr 5
Fall sowing Aug 24 – Sep 21
Spinach
Sow Mar 8 – Mar 29
Fall sowing Aug 24 – Sep 14
Peas
Sow Mar 8 – Mar 22
Fall sowing Aug 10 – Aug 24
Kale
Indoors Feb 22 – Mar 8
Sow or transplant Mar 22 – Apr 5
Fall sowing Aug 10 – Sep 7
Broccoli
Indoors Feb 22 – Mar 8
Transplant Apr 5 – Apr 19
Fall sowing Jul 27 – Aug 10
Cabbage
Indoors Feb 22 – Mar 8
Transplant Mar 29 – Apr 12
Fall sowing Jul 27 – Aug 10
Carrots
Sow Mar 29 – Apr 19
Fall sowing Jul 27 – Aug 10
Radishes
Sow Mar 15 – Apr 5
Fall sowing Sep 7 – Sep 28
Beets
Sow Mar 29 – Apr 19
Fall sowing Aug 10 – Aug 24
Onions (sets or transplants)
Indoors Jan 25 – Feb 8
Plant Mar 22 – Apr 5
Potatoes
Plant Mar 29 – Apr 12
Garlic
Plant Oct 19 – Nov 16

Based on the average last frost (Apr 19) and first frost (Oct 19). The dashed lines mark those dates. Seed packets list days to maturity; adjust for your varieties.

Nearby cities

LaytonFarmingtonClearfieldSyracuseRoyBountifulOgdenSalt Lake CityAll Utah towns