One of the best tools that you have as gardeners to help us determine 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.

You should be able to estimate when you can plant aurinia by using the USDA zone info for Pleasant Prairie.

Planting Calendar for Aurinia

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

Aurinia are very cold tolerant which means that you can get them planted much earlier than other plants that might not handle the cold.

The earliest that you can plant aurinia in Pleasant Prairie 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 aurinia and expect a good harvest is probably September. You probably don't want to wait any later than that or else your aurinia may not have a chance to really do well. You can get started a few weeks earlier by starting your aurinia indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Pleasant Prairie. In the coldest months of winter you should expect an average low temperature of -15°F.

Since the USDA zone info for Pleasant Prairie is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Pleasant Prairie there is a last frost after April 15 so make sure that you are ready to cover your aurinia if you have a surprise late frost.

USDA Zone Info for Pleasant Prairie

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 Pleasant Prairie

You may be interested in your other planting guides for Pleasant Prairie.