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.

The earliest that you can plant red cabbage in Spearfish should be estimated by checking out 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 do ok in cold weather which tells us that you can plant them earlier in the year than other frost tender plants.

The earliest that you can plant red cabbage in Spearfish 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 red cabbage and expect a good harvest is probably September. 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. If you are starting your red cabbage indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Spearfish the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -20°F.

Just be sure to remember that USDA zone info for Spearfish is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Spearfish you get a frost after April 15 be ready to protect your red cabbage if you have a surprise late frost.

USDA Zone Info for Spearfish

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Spearfish

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