When to Plant Scabiosa in Olney, IL

One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By looking at the USDA zone info for Olney it's possible to estimate when it's a good idea to plant scabiosa.


Planting Calendar for Scabiosa

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

You can plant scabiosa a bit earlier in the year because they are moderately cold tolerant.

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

The earliest that you can plant scabiosa in Olney 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 scabiosa and expect a good harvest is probably September. You probably don't want to wait any later than that or else your scabiosa may not have a chance to grow to maturity. Starting your scabiosa 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 Olney. You should expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Olney is an average the actual date of last frost changes from year to year. Since half of the time in Olney you get surprised by a frost after April 15 be ready to cover your scabiosa 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.