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When to Plant Cucumbers in Michigan

Michigan spans USDA hardiness 4a to 7a (zones 4a to 7a on this page). Plant cucumbers by your local frost date, not the calendar — pick your zone below for exact start-indoors, transplant, and harvest dates.

Jump to: Zone 4a · Zone 4b · Zone 5a · Zone 5b · Zone 6a · Zone 6b · Zone 7a

Cucumbers planting calendar for Michigan, Zone 4a

Average last spring frost

May 15

Average first fall frost

September 20

🌱

Start seeds indoors

Apr 24

🌿

Transplant outdoors

May 29

🌾

Projected first harvest

Jul 26

J
F
M
A
M
J
J
A
S
O
N
D
🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 4a (approximate)

Most cucumbers mature in about 50 to 65 days depending on the variety. Full zone 4 guide (both 4a and 4b) →

Cucumbers planting calendar for Michigan, Zone 4b

Average last spring frost

May 10

Average first fall frost

September 25

🌱

Start seeds indoors

Apr 19

🌿

Transplant outdoors

May 24

🌾

Projected first harvest

Jul 21

J
F
M
A
M
J
J
A
S
O
N
D
🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 4b (approximate)

Most cucumbers mature in about 50 to 65 days depending on the variety. Full zone 4 guide (both 4a and 4b) →

Cucumbers planting calendar for Michigan, Zone 5a

Average last spring frost

May 5

Average first fall frost

October 1

🌱

Start seeds indoors

Apr 14

🌿

Transplant outdoors

May 19

🌾

Projected first harvest

Jul 16

J
F
M
A
M
J
J
A
S
O
N
D
🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 5a (approximate)

Most cucumbers mature in about 50 to 65 days depending on the variety. Full zone 5 guide (both 5a and 5b) →

Cucumbers planting calendar for Michigan, Zone 5b

Average last spring frost

April 30

Average first fall frost

October 5

🌱

Start seeds indoors

Apr 9

🌿

Transplant outdoors

May 14

🌾

Projected first harvest

Jul 11

J
F
M
A
M
J
J
A
S
O
N
D
🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 5b (approximate)

Most cucumbers mature in about 50 to 65 days depending on the variety. Full zone 5 guide (both 5a and 5b) →

Cucumbers planting calendar for Michigan, Zone 6a

Average last spring frost

April 25

Average first fall frost

October 10

🌱

Start seeds indoors

Apr 4

🌿

Transplant outdoors

May 9

🌾

Projected first harvest

Jul 6

J
F
M
A
M
J
J
A
S
O
N
D
🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 6a (approximate)

Most cucumbers mature in about 50 to 65 days depending on the variety. Full zone 6 guide (both 6a and 6b) →

Cucumbers planting calendar for Michigan, Zone 6b

Average last spring frost

April 20

Average first fall frost

October 15

🌱

Start seeds indoors

Mar 30

🌿

Transplant outdoors

May 4

🌾

Projected first harvest

Jul 1

J
F
M
A
M
J
J
A
S
O
N
D
🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 6b (approximate)

Most cucumbers mature in about 50 to 65 days depending on the variety. Full zone 6 guide (both 6a and 6b) →

Cucumbers planting calendar for Michigan, Zone 7a

Average last spring frost

April 15

Average first fall frost

October 20

🌱

Start seeds indoors

Mar 25

🌿

Transplant outdoors

Apr 29

🌾

Projected first harvest

Jun 26

J
F
M
A
M
J
J
A
S
O
N
D
🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 7a (approximate)

Most cucumbers mature in about 50 to 65 days depending on the variety. Full zone 7 guide (both 7a and 7b) →

Not sure which half-zone you're in? Set your ZIP in HomeSown for dates tuned to your exact location.

🌱 Grow cucumbers with a calendar built for your exact yard

HomeSown turns your ZIP code into a personalized planting calendar, watering reminders, and pest help. Free to start.

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