Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. 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 it's the best time to plant bacopa by checking out the USDA zone info for Willmar.

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 Willmar 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. You probably don't want to wait any later than that or else 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 couple of weeks earlier.

Last Frost Date

In Willmar the average date of last frost happens on May 15. In the coldest months of winter you can expect an average low temperature of -25°F.

Keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Willmar and it can change quite a bit from year to year. Half of the time in Willmar you get a frost after May 15 so just be sure to be ready to cover your bacopa if you have one of those late frosts.

USDA Zone Info for Willmar

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 Willmar

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