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.

The USDA zone info for Lake Elmo can be reffered to in order to determine when you can plant browallia.

Planting Calendar for Browallia

Frost tolerance for browallia:	Not tolerant of frost.
When to plant:	After the last frost has passed.

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

The earliest that you can plant browallia in Lake Elmo 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. Any later than that and your browallia may not have a chance to fully mature. You can get started a little bit earlier by starting your browallia indoors.

Last Frost Date

The average date of last frost is May 15 in Lake Elmo. It might get as low as -25°F during the coldest months of winter.

Always keep in mind that USDA zone info for Lake Elmo may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Lake Elmo you get surprised by a frost after May 15 be ready to protect your browallia in the event of a late frost.

USDA Zone Info for Lake Elmo

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 Lake Elmo

You may be interested in your other planting guides for Lake Elmo.