Before planting it is a good idea to find your USDA Zone info to determine 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.

By referring to the USDA zone info for Oroville you should be able to figure out when it's possible 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.

Bacopa do well in some cold which tells us that you can plant them just a tiny bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant bacopa in Oroville 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. Any later than that and your bacopa may not have a chance to really do well. You can get started a few weeks earlier by starting your bacopa indoors.

Last Frost Date

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

Just be sure to remember that USDA zone info for Oroville is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Oroville there is a last frost after February 15 be ready to protect your bacopa in the event of one of those late frosts.

USDA Zone Info for Oroville

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 Oroville

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