When to Plant Stevia in Olney, IL

Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The best time to plant stevia in Olney should be determined by using the USDA zone info.


Planting Calendar for Stevia

Frost tolerance for stevia: Not tolerant of frost.
When to plant: After the last frost has passed.

Stevia are not cold tolerant which tells us that you really should wait until it warms up after the last frost has passed before you can plant them.

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

The earliest that you can plant stevia in Olney 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 stevia and expect a good harvest is probably August. If you wait any later than that and your stevia may not have a chance to fully mature. Starting your stevia indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Olney. It might get as low as -10°F during the coldest months of winter.

It's important to remember that USDA zone info for Olney 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 Olney last frost occurs after April 15 so just be sure to be ready to protect your stevia in the event of a late frost.

USDA Zone Info for Olney

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-10°F
Highest Expected Low-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Olney

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