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.

The earliest that you can plant columbine in Gas City should be determined by referring to 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.

Since columbine do well in moderate cold you can plant them a little bit earlier in the year than more sensitive plants.

The earliest that you can plant columbine in Gas City 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 fully mature. You can get started a few weeks earlier by starting your columbine indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Gas City. You can expect an average low temperature of -15°F in the coldest months of winter.

It's important to remember that USDA zone info for Gas City is just an average and the actual date of last frost changes from year to year. Half of the time in Gas City last frost occurs after April 15 so be sure to be ready to cover your columbine in the event of a late frost.

USDA Zone Info for Gas City

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 Gas City

You may be interested in your other planting guides for Gas City.