When to Plant Pea in Sparta, WI

Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Sparta should be used to estimate when it's a good idea to plant pea.


Planting Calendar for Pea

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

Since pea do well in cold you can plant them much earlier in the year than more sensitive plants.

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

The earliest that you can plant pea in Sparta 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 pea and expect a good harvest is probably August. If you wait any later than that and your pea may not have a chance to really do well. You can get started a couple of weeks earlier by starting your pea indoors.

Last Frost Date

The average date of last frost is May 15 in Sparta. It might get as low as -25°F during the coldest months of winter.

Remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Sparta and it is different every year. Half of the time in Sparta you get a frost after May 15 so make sure that you are ready to protect your pea if you have a late frost.

USDA Zone Info for Sparta

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 Sparta

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