The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. 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 painted tongues in San Diego can be figured out by reviewing the USDA zone info.

Planting Calendar for Painted Tongues

Frost tolerance for painted tongues:	Not tolerant of frost.
When to plant:	After the last frost.

Painted Tongues require warm weather which means that you must wait until it warms up after all chance of frost has passed before you can plant them.

The earliest that you can plant painted tongues 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 painted tongues and expect a good harvest is probably September. You probably don't want to wait any later than that or else your painted tongues may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your painted tongues indoors.

Last Frost Date

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

Since the USDA zone info for San Diego is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in San Diego it frosts late in the year after January 31 be ready to cover your painted tongues in the event of 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.