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.

One way of determining when it's a good idea to plant savoy cabbage is to consult the USDA zone info for Glendive.

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 tells us that you can plant them a quite a bit earlier than plants that are more sensitive to the cold.

The earliest that you can plant savoy cabbage in Glendive 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. You probably don't want to wait any later than that or else your savoy cabbage may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your savoy cabbage indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on May 15 in Glendive. It might get as low as -30°F during the coldest months of winter.

Remember that USDA zone info for Glendive is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Glendive you get a frost after May 15 so be sure to be ready to protect your savoy cabbage in the event of a late frost.

USDA Zone Info for Glendive

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 Glendive

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