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

You will be able to figure out when it's the best time to plant bacopa by reviewing the USDA zone info for Massena.

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 just a tiny bit earlier in the year because they are one of those plants that can tolerate a tiny bit of cold weather.

The earliest that you can plant bacopa in Massena is April. However, you really should wait until May 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 really do well. If you are starting your bacopa indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Massena the average date of last frost happens on May 15. You should expect an average low temperature of -25°F in the coldest months of winter.

Since the USDA zone info for Massena may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Massena there is a last frost after May 15 so just be sure to be ready to protect your bacopa if you have a surprise late frost.

USDA Zone Info for Massena

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°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 -20°F.

Plants to Grow in Massena

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