Here is some general info for USDA zone 4a to help you get started.
| Average Date of Last Frost (spring) | May 15 |
| Average Date of First Frost (fall) | September 15 |
| Lowest Expected Low | -30°F |
| Highest Expected Low | -25°F |
This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.
Below is a list of planting guides for Zone 4a.
Vegetables
Herbs
Flowers
