One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Lawrenceburg you can estimate when you can plant periwinkles by using the USDA zone info.

Planting Calendar for Periwinkles

Frost tolerance for periwinkles:	Not tolerant of frost.
When to plant:	After the last frost.

Since periwinkles require warm weather it is necessary to wait until after the last frost has passed before you can plant them.

The earliest that you can plant periwinkles 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 periwinkles and expect a good harvest is probably August. If you wait any later than that and your periwinkles may not have a chance to grow to maturity. Starting your periwinkles indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Lawrenceburg. It might get as low as 0°F during the coldest months of winter.

Always keep in mind that USDA zone info for Lawrenceburg is an average and the actual date of last frost is different every year. Half of the time in Lawrenceburg you get surprised by a frost after April 15 so make sure that you are ready to cover your periwinkles if you have one of those late frosts.

USDA Zone Info for Lawrenceburg

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Lawrenceburg

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