One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of figuring out when to plant red cabbage is to refer to the USDA zone info for Mount Washington.

Planting Calendar for Red cabbage

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

You can plant red cabbage much earlier in the year because they are very cold tolerant.

The earliest that you can plant red cabbage in Mount Washington 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. If you wait any later than that and 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 few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Mount Washington. You should expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Mount Washington is just an average the actual date of last frost will vary from year to year. Since half of the time in Mount Washington last frost occurs after April 15 be ready to cover your red cabbage if you have one of those late frosts.

USDA Zone Info for Mount Washington

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Mount Washington

You may be interested in your other planting guides for Mount Washington.