One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first opportunity to plant snow peas in Onalaska can be estimated by referring to the USDA zone info.

Planting Calendar for Snow peas

Frost tolerance for snow peas:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Snow peas do well in quite a bit of cold which tells us that you can plant them a lot earlier in the year than other plants that might not handle the cold.

The earliest that you can plant snow peas in Onalaska is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant snow peas and expect a good harvest is probably August. If you wait any later than that and your snow peas may not have a chance to grow to maturity. If you are starting your snow peas indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on May 15 in Onalaska. It might get as low as -25°F during the coldest months of winter.

Since the USDA zone info for Onalaska may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Onalaska you get surprised by a frost after May 15 so be sure to be ready to protect your snow peas if you have one of those late frosts.

USDA Zone Info for Onalaska

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Onalaska

You may be interested in your other planting guides for Onalaska.