Planting Zone 5a
Min winter temp -20 to -15ยฐF ยท last frost ~April ยท first frost ~October
Last spring frost
Apr 30
First fall frost
Oct 3
Growing season
156 days
In Zone 5a, the average last spring frost is around April and the first fall frost around October, about a 156-day growing season. Start tender crops indoors before the last frost and move them out once it passes.
Zone 5a planting calendar
Start indoors Transplant Direct sow Harvest
| Crop | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tomatoes | โ | โ | โ | |||||||||
| Peppers | โ | โ | โ | |||||||||
| Cucumbers | โ | โ | โ | |||||||||
| Lettuce | โ | โ | ||||||||||
| Zucchini | โ | โ | โ | |||||||||
| Carrots | โ | โ | ||||||||||
| Beans (bush) | โ | โ | ||||||||||
| Peas | โ | โ | ||||||||||
| Broccoli | โ | โ | โ | |||||||||
| Spinach | โ | โ | ||||||||||
| Kale | โ | โ | โ | |||||||||
| Onions | โ | โ | โ | |||||||||
| Garlic | ||||||||||||
| Potatoes | โ | โ | ||||||||||
| Squash (winter) | โ | โ | โ | |||||||||
| Corn | โ | โ | ||||||||||
| Radishes | โ | |||||||||||
| Beets | โ | โ | ||||||||||
| Eggplant | โ | โ | โ | |||||||||
| Basil | โ | โ | โ | |||||||||
| Cilantro | โ | โ | ||||||||||
| Parsley | โ | โ | โ | |||||||||
| Pumpkins | โ | โ | โ | |||||||||
| Sunflowers | โ | โ |
When to plant popular crops in Zone 5a
Tomatoes
~75 days
When to plant
Peppers
~80 days
When to plant
Cucumbers
~60 days
When to plant
Lettuce
~50 days
When to plant Tomatoes Peppers Cucumbers Lettuce Zucchini Carrots Beans (bush) Peas Broccoli Spinach Kale Onions Garlic Potatoes Squash (winter) Corn Radishes Beets Eggplant Basil Cilantro Parsley Pumpkins Sunflowers
Frequently asked questions
When is the last frost in Zone 5a?
On average, the last spring frost in Zone 5a is around April; the first fall frost is around October.
What can I grow in Zone 5a?
Nearly all common vegetables and herbs grow in Zone 5a; the difference is timing. Use the planting calendar above, calculated from Zone 5a frost dates.
How long is the growing season in Zone 5a?
About 156 days between the average last spring and first fall frost.