When to Plant Bacopa in Watertown, MA

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.

The first opportunity to plant bacopa in Watertown can be figured out by reviewing the USDA zone info.


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 are barely cold tolerant which means that you can start planting them slightly earlier than other plants that might not handle the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant bacopa
Possibly ok, but a risky time to plant bacopa
Probably not a good time to plant bacopa

The earliest that you can plant bacopa in Watertown 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. If you wait any later than that and your bacopa may not have a chance to fully mature. Starting your bacopa indoors is a great way to get them started a little bit earlier.

Last Frost Date

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

Remember that USDA zone info for Watertown may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Watertown there is a last frost after April 15 be ready to protect your bacopa in the event of a late frost.

USDA Zone Info for Watertown

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-5°F
Highest Expected Low0°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 0°F.

Plants to Grow in Watertown

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