When to Plant Browallia in Mount Horeb, WI

One of the first steps you take when you are determining your gardening schedule is find your 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.

The first chance to plant browallia in Mount Horeb should be figured out by checking out the USDA zone info.


Planting Calendar for Browallia

Frost tolerance for browallia: Not tolerant of frost.
When to plant: After the last frost when the weather gets warmer.

It's a bad idea to plant browallia until after the last frost has passed because they do not do well in cold weather.

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

The earliest that you can plant browallia in Mount Horeb 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 browallia and expect a good harvest is probably August. You probably don't want to wait any later than that or else your browallia may not have a chance to fully mature. You can get started a few weeks earlier by starting your browallia indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Mount Horeb. In the coldest months of winter you can expect an average low temperature of -20°F.

Keep in mind that USDA zone info for Mount Horeb may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Mount Horeb you get a frost after April 15 so be sure to be ready to cover your browallia in the event of one of those late frosts.

USDA Zone Info for Mount Horeb

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-20°F
Highest Expected Low-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Mount Horeb

You may be interested in your other planting guides for Mount Horeb.