The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By reviewing the USDA zone info for Rice Lake it's a good idea to determine when it's possible to plant aurinia.

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 start planting them much earlier than other plants that might not handle the cold.

The earliest that you can plant aurinia in Rice Lake 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 aurinia and expect a good harvest is probably August. If you wait any later than that and your aurinia may not have a chance to fully mature. You can get started a little bit earlier by starting your aurinia indoors.

Last Frost Date

The average date of last frost is May 15 in Rice Lake. In the coldest months of winter you should expect an average low temperature of -30°F.

Since the USDA zone info for Rice Lake is just an average the actual date of last frost changes from year to year. Since half of the time in Rice Lake there is a last frost after May 15 be ready to cover your aurinia if you have a late frost.

USDA Zone Info for Rice Lake

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Rice Lake

You may be interested in your other planting guides for Rice Lake.