When to Plant Violets in Willow Springs, IL

The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first opportunity to plant violets in Willow Springs should be figured out by using the USDA zone info.


Planting Calendar for Violets

Frost tolerance for violets: Tolerant of some frost.
When to plant: Up to 5 weeks before last frost.

Violets are moderately cold tolerant which means that you can start planting them earlier than other frost tender plants.

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

The earliest that you can plant violets in Willow Springs 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 violets and expect a good harvest is probably September. You probably don't want to wait any later than that or else your violets may not have a chance to fully mature. If you are starting your violets indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Willow Springs the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -15°F.

Since the USDA zone info for Willow Springs is an average the actual date of last frost changes from year to year. Since half of the time in Willow Springs last frost occurs after April 15 be ready to cover your violets in the event of a late frost.

USDA Zone Info for Willow Springs

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 Willow Springs

You may be interested in your other planting guides for Willow Springs.