When to Plant Rock Cress in Pismo Beach, 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.

You can estimate when it's the best time to plant rock cress in Pismo Beach by reviewing 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.

You can plant rock cress quite a bit earlier in the year because they are one of those plants that can tolerate quite a bit of cold weather.

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 Pismo Beach 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 fully mature. You can get started a few weeks earlier by starting your rock cress indoors.

Last Frost Date

On average all chance of frost has passed is on January 31 in Pismo Beach. You can expect an average low temperature of 30°F in the coldest months of winter.

Remember that USDA zone info for Pismo Beach is an average and the actual date of last frost is different every year. Half of the time in Pismo Beach last frost occurs after January 31 so make sure that you are ready to protect your rock cress if you have a surprise late frost.

USDA Zone Info for Pismo Beach

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 Pismo Beach

You may be interested in your other planting guides for Pismo Beach.