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

You should be able to estimate when it's a good idea to plant sutera by reviewing the USDA zone info for Healdsburg.

Planting Calendar for Sutera

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

You can plant sutera just a tiny bit earlier in the year because they are barely cold tolerant.

The earliest that you can plant sutera in Healdsburg 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 sutera and expect a good harvest is probably September. Any later than that and your sutera may not have a chance to really do well. You can get started a few weeks earlier by starting your sutera indoors.

Last Frost Date

On average the last frost has passed is on February 15 in Healdsburg. In the coldest months of winter you should expect an average low temperature of 25°F.

It's important to remember that USDA zone info for Healdsburg is not always accurate and the actual date of last frost is different every year. Since half of the time in Healdsburg it frosts late in the year after February 15 be ready to protect your sutera in the event of a surprise late frost.

USDA Zone Info for Healdsburg

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 Healdsburg

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