Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Asheboro can be reffered to in order to estimate when it's the best time to plant columbine.

Planting Calendar for Columbine

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

Columbine do well in some cold which means that you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant columbine in Asheboro 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 grow to maturity. You can get started a couple of weeks earlier by starting your columbine indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Asheboro. In the coldest months of winter you should expect an average low temperature of 5°F.

Always keep in mind that USDA zone info for Asheboro may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Asheboro it frosts late in the year after April 15 be ready to cover your columbine if you have one of those late frosts.

USDA Zone Info for Asheboro

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 Asheboro

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