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 first opportunity to plant browallia in Gardner can be estimated by using the USDA zone info.

Planting Calendar for Browallia

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

It's probably not a good idea to plant browallia until after the last frost when the weather gets warmer because they do not do well in cold weather.

The earliest that you can plant browallia in Gardner 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. Any later than that and your browallia may not have a chance to grow to maturity. If you are starting your browallia indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Gardner. It might get as low as -10°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Gardner is an average and the actual date of last frost is different every year. Since half of the time in Gardner you get a frost after April 15 be ready to cover your browallia if you have a late frost.

USDA Zone Info for Gardner

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Gardner

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