When to Plant Cabbage in Upland, CA

Before planting it is a good idea to find your USDA Zone info to determine 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.

A common way of estimating when it's the best time to plant cabbage is to look at the USDA zone info for Upland.


Planting Calendar for Cabbage

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

You can plant cabbage a bit earlier in the year because they are moderately cold tolerant.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant cabbage
Possibly ok, but a risky time to plant cabbage
Probably not a good time to plant cabbage

The earliest that you can plant cabbage in Upland 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. If you wait any later than that and your cabbage may not have a chance to fully mature. You can get started a few weeks earlier by starting your cabbage indoors.

Last Frost Date

On average all chance of frost has passed is on January 31 in Upland. It might get as low as 30°F during the coldest months of winter.

Since the USDA zone info for Upland is not always accurate the actual date of last frost will vary from year to year. Since half of the time in Upland it frosts late in the year after January 31 be ready to cover your cabbage in the event of one of those late frosts.

USDA Zone Info for Upland

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)January 31
Average Date of First Frost (fall)December 15
Lowest Expected Low30°F
Highest Expected Low35°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 35°F.

Plants to Grow in Upland

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