Frost Dates for Mint Hill, NC

In Mint Hill, NC, the average last spring frost is around Mar 31 and the average first fall frost around Nov 5, for a growing season of about 220 days. For frost-tender plants, wait until Apr 16, when the chance of frost drops to 10%.

Average last frostMar 3150% chance of frost after this date
Safe to plantApr 16only a 10% chance of frost after
Average first frostNov 550% chance of frost before this date
Growing season220 daysfrost-free in an average year

Based on NOAA 1991–2020 records from the Monroe Airport, NC weather station, 11 miles away, elevation 679 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%Apr 16Oct 23
20%Apr 10Oct 28
30%Apr 6Nov 1
40%Apr 3Nov 3
50%Mar 31Nov 5
60%Mar 26Nov 7
70%Mar 22Nov 10
80%Mar 17Nov 13
90%Mar 11Nov 19

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 12Oct 27
Frost / freeze (32°F)Mar 31Nov 5
Hard freeze (28°F)Mar 16Nov 16

Planting calendar for Mint Hill

Start indoors Plant outside Fall planting
JanFebMarAprMayJunJulAugSepOctNovDec
Tomatoes
Indoors Feb 3 – Feb 17
Transplant Apr 7 – Apr 21
Peppers
Indoors Jan 20 – Feb 3
Transplant Apr 14 – Apr 28
Eggplant
Indoors Jan 20 – Feb 3
Transplant Apr 14 – Apr 28
Basil
Indoors Feb 17 – Mar 3
Transplant Apr 7 – Apr 21
Cucumbers
Indoors Mar 3 – Mar 10
Sow or transplant Apr 7 – Apr 21
Zucchini and summer squash
Indoors Mar 3 – Mar 10
Sow or transplant Apr 7 – Apr 21
Pumpkins and winter squash
Sow Apr 7 – Apr 21
Watermelons and melons
Indoors Mar 3 – Mar 10
Sow or transplant Apr 14 – Apr 28
Green beans
Sow Apr 7 – Apr 21
Sweet corn
Sow Apr 7 – Apr 21
Lettuce
Indoors Feb 17 – Mar 3
Sow or transplant Mar 3 – Mar 17
Fall sowing Sep 10 – Oct 8
Spinach
Sow Feb 17 – Mar 10
Fall sowing Sep 10 – Oct 1
Peas
Sow Feb 17 – Mar 3
Fall sowing Aug 27 – Sep 10
Kale
Indoors Feb 3 – Feb 17
Sow or transplant Mar 3 – Mar 17
Fall sowing Aug 27 – Sep 24
Broccoli
Indoors Feb 3 – Feb 17
Transplant Mar 17 – Mar 31
Fall sowing Aug 13 – Aug 27
Cabbage
Indoors Feb 3 – Feb 17
Transplant Mar 10 – Mar 24
Fall sowing Aug 13 – Aug 27
Carrots
Sow Mar 10 – Mar 31
Fall sowing Aug 13 – Aug 27
Radishes
Sow Feb 24 – Mar 17
Fall sowing Sep 24 – Oct 15
Beets
Sow Mar 10 – Mar 31
Fall sowing Aug 27 – Sep 10
Onions (sets or transplants)
Indoors Jan 6 – Jan 20
Plant Mar 3 – Mar 17
Potatoes
Plant Mar 10 – Mar 24
Garlic
Plant Nov 5 – Dec 3

Based on the average last frost (Mar 31) and first frost (Nov 5). The dashed lines mark those dates. Seed packets list days to maturity; adjust for your varieties.

Nearby cities

MatthewsIndian TrailCharlotteMonroeConcordHuntersvilleKannapolisCorneliusAll North Carolina towns