When to Plant Violas in Belleville, IL

One of the first steps you take when you are making a decision about 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 opportunity to plant violas in Belleville can be determined by reviewing the USDA zone info.


Planting Calendar for Violas

Frost tolerance for violas: Very tolerant of frost.
When to plant: Up to 7 weeks before last frost.

You can plant violas a lot earlier in the year because they do well in cold.

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

The earliest that you can plant violas in Belleville is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant violas and expect a good harvest is probably September. If you wait any later than that and your violas may not have a chance to grow to maturity. Starting your violas indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Belleville. In the coldest months of winter you should expect an average low temperature of -5°F.

Keep in mind that USDA zone info for Belleville is just an average and the actual date of last frost changes from year to year. Half of the time in Belleville it frosts late in the year after April 15 so make sure that you are prepared to cover your violas if you have a late frost.

USDA Zone Info for Belleville

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-5°F
Highest Expected Low0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Belleville

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