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

In Stewartville you can figure out when to plant savoy cabbage by looking at the USDA zone info.

Planting Calendar for Savoy cabbage

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

Savoy cabbage 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 savoy cabbage in Stewartville 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 savoy cabbage and expect a good harvest is probably August. If you wait any later than that and your savoy cabbage may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your savoy cabbage indoors.

Last Frost Date

The average date of last frost is May 15 in Stewartville. It might get as low as -25°F during the coldest months of winter.

Keep in mind that USDA zone info for Stewartville may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Stewartville there is a last frost after May 15 be ready to cover your savoy cabbage in the event of a surprise late frost.

USDA Zone Info for Stewartville

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 Stewartville

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