One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The best time to plant painted tongues in Santa Rosa can be determined by using the USDA zone info.

Planting Calendar for Painted Tongues

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

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

The earliest that you can plant painted tongues in Santa Rosa 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 really do well. If you are starting your painted tongues indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Santa Rosa the average date of last frost happens on February 15. In the coldest months of winter you can expect an average low temperature of 25°F.

Always keep in mind that USDA zone info for Santa Rosa is just an average and the actual date of last frost changes from year to year. Since half of the time in Santa Rosa you get surprised by a frost after February 15 be ready to protect your painted tongues if you have one of those late frosts.

USDA Zone Info for Santa Rosa

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 Santa Rosa

You may be interested in your other planting guides for Santa Rosa.