When to Plant Violas in Winfield, IL

The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The best time to plant violas in Winfield can be figured out by using the USDA zone info.

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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 are very cold tolerant.

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 Winfield 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. Any later than that and your violas may not have a chance to fully mature. Starting your violas indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Winfield. You should expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Winfield may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Winfield you get a frost after April 15 be ready to cover your violas if you have one of those late frosts.

USDA Zone Info for Winfield

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 Winfield

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