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.

By reviewing the USDA zone info for Miles City you should be able to figure out when it's the best time to plant red cabbage.

Planting Calendar for Red cabbage

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

Red cabbage do ok in pretty solid cold which means that you can plant them much earlier in the year than more sensitive plants.

The earliest that you can plant red cabbage in Miles City 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 red cabbage and expect a good harvest is probably August. You probably don't want to wait any later than that or else your red cabbage may not have a chance to grow to maturity. Starting your red cabbage indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

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

Keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Miles City and it will vary from year to year. Half of the time in Miles City there is a last frost after May 15 so always be ready to protect your red cabbage in the event of a surprise late frost.

USDA Zone Info for Miles City

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 Miles City

You may be interested in your other planting guides for Miles City.