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 best time to plant sweet peas in Wausau can be figured out by reviewing the USDA zone info.

Planting Calendar for Sweet Peas

Frost tolerance for sweet peas:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

You can plant sweet peas slightly earlier in the year because they are barely cold tolerant.

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

The last month that you can plant sweet peas and expect a good harvest is probably August. Any later than that and your sweet peas may not have a chance to really do well. You can get started a little bit earlier by starting your sweet peas indoors.

Last Frost Date

On average all chance of frost has passed is on May 15 in Wausau. You can expect an average low temperature of -25°F in the coldest months of winter.

It's important to remember that USDA zone info for Wausau is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Wausau it frosts late in the year after May 15 be ready to cover your sweet peas if you have one of those late frosts.

USDA Zone Info for Wausau

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 Wausau

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