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 first chance to plant painted tongues in San Rafael should be estimated 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 has passed.

Since painted tongues are not cold tolerant it's necessary to wait until after the last frost has passed before you can plant them.

The earliest that you can plant painted tongues in San Rafael 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. Any later than that and your painted tongues may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your painted tongues indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on January 31 in San Rafael. In the coldest months of winter you should expect an average low temperature of 30°F.

Since the USDA zone info for San Rafael is an average the actual date of last frost changes from year to year. Since half of the time in San Rafael you get surprised by a frost after January 31 be ready to cover your painted tongues in the event of a late frost.

USDA Zone Info for San Rafael

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 San Rafael

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