Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Great Falls you can determine when it's the best time to plant red cabbage by looking at the USDA zone info.

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 tend to make it in quite a bit of cold which means that you can plant them much earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant red cabbage in Great Falls 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. If you wait any later than that and your red cabbage may not have a chance to grow to maturity. If you are starting your red cabbage indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Great Falls the average date of last frost happens on May 15. In the coldest months of winter you should expect an average low temperature of -30°F.

Since the USDA zone info for Great Falls is an average the actual date of last frost will vary from year to year. Half of the time in Great Falls you get a frost after May 15 so make sure that you are ready to protect your red cabbage if you have a late frost.

USDA Zone Info for Great Falls

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 Great Falls

You may be interested in your other planting guides for Great Falls.