Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Waconia you can figure out when it's a good idea to plant browallia by using 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.

Since browallia do not do well in cold weather it is important to wait until after the last frost before you can plant them.

The earliest that you can plant browallia in Waconia is May. However, you really should wait until June 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. Starting your browallia indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Waconia the average date of last frost happens on May 15. It might get as low as -25°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Waconia is not always accurate and the actual date of last frost changes from year to year. Half of the time in Waconia last frost occurs after May 15 so always be ready to cover your browallia if you have a late frost.

USDA Zone Info for Waconia

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 Waconia

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