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

It's possible to determine when it's possible to plant bacopa by using the USDA zone info for Gaithersburg.

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.

You can plant bacopa slightly earlier in the year because they do ok in moderate cold.

The earliest that you can plant bacopa in Gaithersburg 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 grow to maturity. 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

The average date of last frost is April 15 in Gaithersburg. It might get as low as 0°F during the coldest months of winter.

Remember that USDA zone info for Gaithersburg is an average and the actual date of last frost will vary from year to year. Since half of the time in Gaithersburg you get surprised by a frost after April 15 be ready to protect your bacopa in the event of one of those late frosts.

USDA Zone Info for Gaithersburg

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Gaithersburg

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