Frost Dates for Brooklyn Park, MN

In Brooklyn Park, MN, the average last spring frost is around Apr 30 and the average first fall frost around Oct 8, for a growing season of about 159 days. For frost-tender plants, wait until May 17, when the chance of frost drops to 10%.

Average last frostApr 3050% chance of frost after this date
Safe to plantMay 17only a 10% chance of frost after
Average first frostOct 850% chance of frost before this date
Growing season159 daysfrost-free in an average year

Based on NOAA 1991–2020 records from the Mpls Crystal Airport, MN weather station, 3 miles away, elevation 861 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 17Sep 26
20%May 11Sep 29
30%May 6Oct 2
40%May 3Oct 6
50%Apr 30Oct 8
60%Apr 28Oct 11
70%Apr 25Oct 13
80%Apr 22Oct 16
90%Apr 17Oct 21

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 9Sep 29
Frost / freeze (32°F)Apr 30Oct 8
Hard freeze (28°F)Apr 20Oct 18

Planting calendar for Brooklyn Park

Start indoors Plant outside Fall planting
JanFebMarAprMayJunJulAugSepOctNovDec
Tomatoes
Indoors Mar 5 – Mar 19
Transplant May 7 – May 21
Peppers
Indoors Feb 19 – Mar 5
Transplant May 14 – May 28
Eggplant
Indoors Feb 19 – Mar 5
Transplant May 14 – May 28
Basil
Indoors Mar 19 – Apr 2
Transplant May 7 – May 21
Cucumbers
Indoors Apr 2 – Apr 9
Sow or transplant May 7 – May 21
Zucchini and summer squash
Indoors Apr 2 – Apr 9
Sow or transplant May 7 – May 21
Pumpkins and winter squash
Sow May 7 – May 21
Watermelons and melons
Indoors Apr 2 – Apr 9
Sow or transplant May 14 – May 28
Green beans
Sow May 7 – May 21
Sweet corn
Sow May 7 – May 21
Lettuce
Indoors Mar 19 – Apr 2
Sow or transplant Apr 2 – Apr 16
Fall sowing Aug 13 – Sep 10
Spinach
Sow Mar 19 – Apr 9
Fall sowing Aug 13 – Sep 3
Peas
Sow Mar 19 – Apr 2
Fall sowing Jul 30 – Aug 13
Kale
Indoors Mar 5 – Mar 19
Sow or transplant Apr 2 – Apr 16
Fall sowing Jul 30 – Aug 27
Broccoli
Indoors Mar 5 – Mar 19
Transplant Apr 16 – Apr 30
Fall sowing Jul 16 – Jul 30
Cabbage
Indoors Mar 5 – Mar 19
Transplant Apr 9 – Apr 23
Fall sowing Jul 16 – Jul 30
Carrots
Sow Apr 9 – Apr 30
Fall sowing Jul 16 – Jul 30
Radishes
Sow Mar 26 – Apr 16
Fall sowing Aug 27 – Sep 17
Beets
Sow Apr 9 – Apr 30
Fall sowing Jul 30 – Aug 13
Onions (sets or transplants)
Indoors Feb 5 – Feb 19
Plant Apr 2 – Apr 16
Potatoes
Plant Apr 9 – Apr 23
Garlic
Plant Oct 8 – Nov 5

Based on the average last frost (Apr 30) and first frost (Oct 8). The dashed lines mark those dates. Seed packets list days to maturity; adjust for your varieties.

Nearby cities

Brooklyn CenterFridleyCoon RapidsMaple GroveBlainePlymouthAndoverShoreviewAll Minnesota towns