When to Plant Rock Cress in Emeryville, CA

One of the first steps you take when you are figuring out 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.

The first opportunity to plant rock cress in Emeryville should be determined by checking out the USDA zone info.


Planting Calendar for Rock Cress

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

Rock Cress do ok in pretty solid cold which tells us that you can plant them much earlier in the year than other frost tender plants.

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 Emeryville 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 October. If you wait any later than that and your rock cress may not have a chance to really do well. You can get started a couple of weeks earlier by starting your rock cress indoors.

Last Frost Date

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

Since the USDA zone info for Emeryville is not always accurate the actual date of last frost will vary from year to year. Half of the time in Emeryville you get surprised by a frost after January 31 so always be ready to protect your rock cress if you have a surprise late frost.

USDA Zone Info for Emeryville

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 Emeryville

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