Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Santa Rosa can be read to determine when to plant bacopa.

Planting Calendar for Bacopa

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

Since bacopa are one of those plants that can tolerate a tiny bit of cold weather you can plant them slightly earlier in the year than other plants that might not handle the cold.

The earliest that you can plant bacopa in Santa Rosa 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 bacopa and expect a good harvest is probably September. If you wait any later than that and your bacopa may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your bacopa indoors.

Last Frost Date

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

Since the USDA zone info for Santa Rosa is an average the actual date of last frost is different every year. Since half of the time in Santa Rosa there is a last frost after February 15 be ready to cover your bacopa in the event of a surprise late frost.

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.