The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant chocolate daisy in Sonoma can be estimated by referring to the USDA zone info.

Planting Calendar for Chocolate Daisy

Frost tolerance for chocolate daisy:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

You can plant chocolate daisy slightly earlier in the year because they are barely cold tolerant.

The earliest that you can plant chocolate daisy in Sonoma 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 chocolate daisy and expect a good harvest is probably September. You probably don't want to wait any later than that or else your chocolate daisy may not have a chance to really do well. If you are starting your chocolate daisy indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on February 15 in Sonoma. You should expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Sonoma is not always accurate the actual date of last frost can change quite a bit from year to year. Since half of the time in Sonoma last frost occurs after February 15 be ready to protect your chocolate daisy in the event of a surprise late frost.

USDA Zone Info for Sonoma

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 Sonoma

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