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

A common way of getting a good idea when it's the best time to plant bacopa is to refer to the USDA zone info for Donna.

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 do ok in moderate cold you can plant them just a tiny bit earlier in the year than other frost tender plants.

The earliest that you can plant bacopa in Donna 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. If you are starting your bacopa indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost has passed is on February 15 in Donna. It might get as low as 25°F during the coldest months of winter.

Remember that USDA zone info for Donna is just an average and the actual date of last frost will vary from year to year. Half of the time in Donna you get a frost after February 15 so make sure that you are ready to cover your bacopa in the event of a surprise late frost.

USDA Zone Info for Donna

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 Donna

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