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 Irvine should be read to figure out when it's the best time 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 ok in moderate cold which tells us that you can start planting them slightly earlier than plants that are more sensitive to the cold.

The earliest that you can plant bacopa in Irvine 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 really do well. You can get started a few weeks earlier by starting your bacopa indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on January 31 in Irvine. You should expect an average low temperature of 30°F in the coldest months of winter.

Remember that USDA zone info for Irvine is an average and the actual date of last frost is different every year. Half of the time in Irvine it frosts late in the year after January 31 so make sure that you are prepared to cover your bacopa in the event of one of those late frosts.

USDA Zone Info for Irvine

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Irvine

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