When to Plant Violas in Manteno, IL

One of the best tools that you have as gardeners to help us figure out 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 chance to plant violas in Manteno 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 quite a bit earlier in the year because they are one of those plants that can tolerate quite a bit of cold weather.

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 Manteno 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 fully mature. If you are starting your violas indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Manteno the average date of last frost happens on April 15. It might get as low as -15°F during the coldest months of winter.

Remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Manteno and it will vary from year to year. Half of the time in Manteno it frosts late in the year after April 15 so be sure to be ready to protect your violas in the event of a surprise late frost.

USDA Zone Info for Manteno

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 Manteno

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