When to Plant Snow peas in Jefferson, WI

One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first opportunity to plant snow peas in Jefferson can be determined by checking out 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.

You can plant snow peas earlier in the year because they are very cold tolerant.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant snow peas
Possibly ok, but a risky time to plant snow peas
Probably not a good time to plant snow peas

The earliest that you can plant snow peas in Jefferson is February. However, you really should wait until March 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 September. You probably don't want to wait any later than that or else your snow peas may not have a chance to fully mature. Starting your snow peas indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Jefferson. You should expect an average low temperature of -20°F in the coldest months of winter.

Always keep in mind that USDA zone info for Jefferson may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Jefferson it frosts late in the year after April 15 be ready to cover your snow peas in the event of a surprise late frost.

USDA Zone Info for Jefferson

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-20°F
Highest Expected Low-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Jefferson

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