When can I plant Rock Cress in Zone 11a

Before planting it is a good idea to find our USDA Zone info to determine our garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for our area.

You will be able to estimate when it's the best time to plant rock cress by referring to the USDA zone info for Zone 11a.


Planting Calendar for Rock Cress

Frost tolerance for rock cress: Very tolerant of frost.
When you should plant them: Up to 7 weeks before last frost.

You can plant rock cress quite a bit earlier in the year because they do well in cold.

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

The earliest that you can plant rock cress in Zone 11a 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 rock cress and expect a good harvest is probably November. If you wait any later than that and your rock cress may not have a chance to really do well. Starting your rock cress indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Zone 11a it never frosts. We can expect an average low temperature of 40°F in the coldest months of winter.

Since the USDA zone info for Zone 11a is an average our actual date of last frost changes from year to year. Since it never frosts in Zone 11a you do not have to be ready to cover your rock cress if we have a surprise late frost.

USDA Zone Info for Zone 11a

Here is the info for USDA Zone 11a.

Average Date of Last Frost (spring)Never
Average Date of First Frost (fall)Never
Lowest Expected Low40°F
Highest Expected Low45°F

This means that on a really cold year, the coldest it will get is 40°F. On most years you should be prepared to experience lows near 45°F.

Plants to Grow in Zone 11a

You may be interested in our other planting guides for Zone 11a.