Frost Dates for North Olmsted, OH

In North Olmsted, OH, the average last spring frost is around Apr 20 and the average first fall frost around Nov 3, for a growing season of about 198 days. For frost-tender plants, wait until May 5, when the chance of frost drops to 10%.

Average last frostApr 2050% chance of frost after this date
Safe to plantMay 5only a 10% chance of frost after
Average first frostNov 350% chance of frost before this date
Growing season198 daysfrost-free in an average year

Based on NOAA 1991–2020 records from the Cleveland, OH weather station, 3 miles away, elevation 763 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 5Oct 21
20%Apr 30Oct 26
30%Apr 27Oct 30
40%Apr 23Nov 1
50%Apr 20Nov 3
60%Apr 17Nov 5
70%Apr 14Nov 8
80%Apr 9Nov 12
90%Apr 4Nov 17

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)Apr 30Oct 22
Frost / freeze (32°F)Apr 20Nov 3
Hard freeze (28°F)Apr 5Nov 13

Planting calendar for North Olmsted

Start indoors Plant outside Fall planting
JanFebMarAprMayJunJulAugSepOctNovDec
Tomatoes
Indoors Feb 23 – Mar 9
Transplant Apr 27 – May 11
Peppers
Indoors Feb 9 – Feb 23
Transplant May 4 – May 18
Eggplant
Indoors Feb 9 – Feb 23
Transplant May 4 – May 18
Basil
Indoors Mar 9 – Mar 23
Transplant Apr 27 – May 11
Cucumbers
Indoors Mar 23 – Mar 30
Sow or transplant Apr 27 – May 11
Zucchini and summer squash
Indoors Mar 23 – Mar 30
Sow or transplant Apr 27 – May 11
Pumpkins and winter squash
Sow Apr 27 – May 11
Watermelons and melons
Indoors Mar 23 – Mar 30
Sow or transplant May 4 – May 18
Green beans
Sow Apr 27 – May 11
Sweet corn
Sow Apr 27 – May 11
Lettuce
Indoors Mar 9 – Mar 23
Sow or transplant Mar 23 – Apr 6
Fall sowing Sep 8 – Oct 6
Spinach
Sow Mar 9 – Mar 30
Fall sowing Sep 8 – Sep 29
Peas
Sow Mar 9 – Mar 23
Fall sowing Aug 25 – Sep 8
Kale
Indoors Feb 23 – Mar 9
Sow or transplant Mar 23 – Apr 6
Fall sowing Aug 25 – Sep 22
Broccoli
Indoors Feb 23 – Mar 9
Transplant Apr 6 – Apr 20
Fall sowing Aug 11 – Aug 25
Cabbage
Indoors Feb 23 – Mar 9
Transplant Mar 30 – Apr 13
Fall sowing Aug 11 – Aug 25
Carrots
Sow Mar 30 – Apr 20
Fall sowing Aug 11 – Aug 25
Radishes
Sow Mar 16 – Apr 6
Fall sowing Sep 22 – Oct 13
Beets
Sow Mar 30 – Apr 20
Fall sowing Aug 25 – Sep 8
Onions (sets or transplants)
Indoors Jan 26 – Feb 9
Plant Mar 23 – Apr 6
Potatoes
Plant Mar 30 – Apr 13
Garlic
Plant Nov 3 – Dec 1

Based on the average last frost (Apr 20) and first frost (Nov 3). The dashed lines mark those dates. Seed packets list days to maturity; adjust for your varieties.

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