Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of determining when it's the best time to plant sweet peas is to look at the USDA zone info for Cedarburg.

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.

Sweet Peas can survive in some cold which means that you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant sweet peas in Cedarburg 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 sweet peas and expect a good harvest is probably August. Any later than that and your sweet peas may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your sweet peas indoors.

Last Frost Date

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

Since the USDA zone info for Cedarburg may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Cedarburg you get a frost after April 15 so make sure that you are ready to protect your sweet peas in the event of one of those late frosts.

USDA Zone Info for Cedarburg

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Cedarburg

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