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

One way of getting a good idea when you can plant bacopa is to examine the USDA zone info for Menomonie.

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.

Since bacopa are barely cold tolerant you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant bacopa in Menomonie 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 fully mature. 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

On average all chance of frost has passed is on May 15 in Menomonie. You should expect an average low temperature of -25°F in the coldest months of winter.

It's important to remember that USDA zone info for Menomonie is not always accurate and the actual date of last frost is different every year. Since half of the time in Menomonie you get a frost after May 15 be ready to cover your bacopa if you have a surprise late frost.

USDA Zone Info for Menomonie

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 Menomonie

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