One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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.

The USDA zone info for Lawrenceburg can be looked at to determine when it's possible 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.

Since columbine are moderately cold tolerant you can plant them a little bit earlier in the year than other frost tender plants.

The earliest that you can plant columbine in Lawrenceburg 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 really do well. Starting your columbine indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Since the USDA zone info for Lawrenceburg 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 Lawrenceburg 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 Lawrenceburg

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 Low	0°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 Lawrenceburg

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