The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of making a decision about when it's possible to plant snow-in summer is to look at the USDA zone info for South Beloit.

Planting Calendar for Snow-in Summer

Frost tolerance for snow-in summer:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Snow-in Summer are moderately cold tolerant which means that you can start planting them earlier than other frost tender plants.

The earliest that you can plant snow-in summer in South Beloit 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 snow-in summer and expect a good harvest is probably September. You probably don't want to wait any later than that or else your snow-in summer may not have a chance to grow to maturity. You can get started a little bit earlier by starting your snow-in summer indoors.

Last Frost Date

The average date of last frost is April 15 in South Beloit. In the coldest months of winter you can expect an average low temperature of -15°F.

Since the USDA zone info for South Beloit is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in South Beloit it frosts late in the year after April 15 be ready to cover your snow-in summer if you have a late frost.

USDA Zone Info for South Beloit

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 South Beloit

You may be interested in your other planting guides for South Beloit.