When to Plant Columbine in Carbondale, IL

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

You can determine when to plant columbine in Carbondale by checking out the USDA zone info.


Planting Calendar for Columbine

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

Columbine tend to make it in a little bit of cold which tells us that you can plant them a little bit earlier in the year than other plants that might not handle the cold.

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

The earliest that you can plant columbine in Carbondale 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 columbine and expect a good harvest is probably September. Any later than that and your columbine may not have a chance to grow to maturity. You can get started a little bit earlier by starting your columbine indoors.

Last Frost Date

On average the last frost is on April 15 in Carbondale. You should expect an average low temperature of -5°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Carbondale is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Carbondale you get a frost after April 15 so be sure to be ready to protect your columbine in the event of one of those late frosts.

USDA Zone Info for Carbondale

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-5°F
Highest Expected Low0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Carbondale

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