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 figuring out when to plant cabbage is to examine the USDA zone info for Red Bluff.

Planting Calendar for Cabbage

Frost tolerance for cabbage:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Since cabbage do well in moderate cold you can plant them just a bit earlier in the year than other frost tender plants.

The earliest that you can plant cabbage in Red Bluff is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant cabbage and expect a good harvest is probably October. Any later than that and your cabbage may not have a chance to really do well. If you are starting your cabbage indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Red Bluff. In the coldest months of winter you can expect an average low temperature of 25°F.

Since the USDA zone info for Red Bluff is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Red Bluff you get surprised by a frost after February 15 be ready to protect your cabbage if you have one of those late frosts.

USDA Zone Info for Red Bluff

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Red Bluff

You may be interested in your other planting guides for Red Bluff.