One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. 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 to plant bacopa by checking out the USDA zone info for Baltimore.

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 a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant bacopa in Baltimore is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant bacopa and expect a good harvest is probably August. You probably don't want to wait any later than that or else your bacopa may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your bacopa indoors.

Last Frost Date

The average date of last frost is April 15 in Baltimore. You should expect an average low temperature of 5°F in the coldest months of winter.

Since the USDA zone info for Baltimore is not always accurate the actual date of last frost changes from year to year. Half of the time in Baltimore there is a last frost after April 15 so make sure that you are ready to cover your bacopa if you have a late frost.

USDA Zone Info for Baltimore

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Baltimore

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