One of the best tools that you have as gardeners to help us estimate 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.

In Galesburg you can estimate when it's possible to plant browallia by referring to 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 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 Galesburg 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 really do well. 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 when the weather gets warmer is on April 15 in Galesburg. It might get as low as -15°F during the coldest months of winter.

It's important to remember that USDA zone info for Galesburg is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Galesburg last frost occurs after April 15 so always be ready to protect your browallia if you have one of those late frosts.

USDA Zone Info for Galesburg

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Galesburg

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