Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of estimating when to plant painted tongues is to use the USDA zone info for Sunnyvale.

Planting Calendar for Painted Tongues

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

It's probably a bad idea to plant painted tongues until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant painted tongues in Sunnyvale is March. However, you really should wait until April 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

The average date of last frost is February 15 in Sunnyvale. You can expect an average low temperature of 25°F in the coldest months of winter.

Keep in mind that USDA zone info for Sunnyvale is just an average and the actual date of last frost will vary from year to year. Half of the time in Sunnyvale there is a last frost after February 15 so make sure that you are prepared to cover your painted tongues in the event of one of those late frosts.

USDA Zone Info for Sunnyvale

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Sunnyvale

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