One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Belle Fourche you can estimate when it's the best time to plant bacopa by using 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.

You can plant bacopa slightly 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 Belle Fourche 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. Any later than that and your bacopa may not have a chance to grow to maturity. Starting your bacopa indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is May 15 in Belle Fourche. In the coldest months of winter you should expect an average low temperature of -25°F.

Since the USDA zone info for Belle Fourche is not always accurate the actual date of last frost changes from year to year. Half of the time in Belle Fourche you get surprised by a frost after May 15 so always be ready to protect your bacopa if you have a late frost.

USDA Zone Info for Belle Fourche

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 Belle Fourche

You may be interested in your other planting guides for Belle Fourche.