One of the best tools that you have as gardeners to help us estimate your gardening schedule is the 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.

In Rancho Cucamonga you can figure out when to plant red cabbage by reviewing 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 well in cold which means that you can start planting them much earlier than more sensitive plants.

The earliest that you can plant red cabbage in Rancho Cucamonga 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 red cabbage and expect a good harvest is probably October. 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 couple of weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Rancho Cucamonga. It might get as low as 25°F during the coldest months of winter.

Remember that USDA zone info for Rancho Cucamonga is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Rancho Cucamonga you get surprised by a frost after February 15 be ready to cover your red cabbage if you have a surprise late frost.

USDA Zone Info for Rancho Cucamonga

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 Rancho Cucamonga

You may be interested in your other planting guides for Rancho Cucamonga.