The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. 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 columbine in Barberton can be estimated 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 are one of those plants that can tolerate a little bit of cold weather which means that you can get them planted earlier than other plants that might not handle the cold.

The earliest that you can plant columbine in Barberton 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. If you wait any later than that and your columbine may not have a chance to really do well. You can get started a couple of weeks earlier by starting your columbine indoors.

Last Frost Date

The average date of last frost is April 15 in Barberton. You should expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Barberton may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Barberton last frost occurs after April 15 so make sure that you are prepared to cover your columbine if you have a surprise late frost.

USDA Zone Info for Barberton

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 Barberton

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