One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A way of determining when it's possible to plant columbine is to consult the USDA zone info for Mebane.

Planting Calendar for Columbine

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

Since columbine are moderately cold tolerant you can plant them just a bit earlier in the year than more sensitive plants.

The earliest that you can plant columbine in Mebane 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 few weeks earlier by starting your columbine indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Mebane. It might get as low as 5°F during the coldest months of winter.

Since the USDA zone info for Mebane is just an average the actual date of last frost changes from year to year. Since half of the time in Mebane you get a frost after April 15 be ready to cover your columbine in the event of one of those late frosts.

USDA Zone Info for Mebane

Here is the info for USDA Zone 7b.

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

Plants to Grow in Mebane

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