One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for San Diego should be used to estimate when it's possible to plant indian cress.

Planting Calendar for Indian cress

Frost tolerance for indian cress:	Not tolerant of frost.
When to plant:	After the last frost.

Indian cress are not cold tolerant which means that it's necessary to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant indian cress in San Diego is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant indian cress and expect a good harvest is probably September. If you wait any later than that and your indian cress may not have a chance to fully mature. You can get started a little bit earlier by starting your indian cress indoors.

Last Frost Date

The average date of last frost is January 31 in San Diego. You can expect an average low temperature of 35°F in the coldest months of winter.

Keep in mind that USDA zone info for San Diego is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in San Diego there is a last frost after January 31 so always be ready to cover your indian cress if you have a surprise late frost.

USDA Zone Info for San Diego

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in San Diego

You may be interested in your other planting guides for San Diego.