One of the first steps you take when you are getting a good idea 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.

One way of determining when it's possible to plant nierembergia is to refer to the USDA zone info for Lawrenceburg.

Planting Calendar for Nierembergia

Frost tolerance for nierembergia:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since nierembergia do not do well in cold weather it's necessary to wait until after the last frost has passed before you can plant them.

The earliest that you can plant nierembergia in Lawrenceburg is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant nierembergia and expect a good harvest is probably August. You probably don't want to wait any later than that or else your nierembergia may not have a chance to grow to maturity. You can get started a little bit earlier by starting your nierembergia indoors.

Last Frost Date

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

Since the USDA zone info for Lawrenceburg is not always accurate the actual date of last frost is different every year. Half of the time in Lawrenceburg there is a last frost after April 15 so always be ready to protect your nierembergia in the event of a surprise late frost.

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.