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 garden cress in Tustin by reviewing the USDA zone info.

Planting Calendar for Garden cress

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

Since garden cress require warm weather you need to wait until after the last frost before you can plant them.

The earliest that you can plant garden cress in Tustin 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 garden cress and expect a good harvest is probably September. You probably don't want to wait any later than that or else your garden cress may not have a chance to really do well. You can get started a couple of weeks earlier by starting your garden cress indoors.

Last Frost Date

On average the last frost has passed is on January 31 in Tustin. You should expect an average low temperature of 30°F in the coldest months of winter.

Remember that USDA zone info for Tustin is an average and the actual date of last frost is different every year. Since half of the time in Tustin there is a last frost after January 31 be ready to cover your garden cress in the event of a surprise late frost.

USDA Zone Info for Tustin

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 Low	30°F
Highest Expected Low	35°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 Tustin

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