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.

A way of estimating when it's possible to plant lettuce is to use the USDA zone info for Harrodsburg.

Planting Calendar for Lettuce

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

Lettuce tend to make it in a little bit of cold which tells us that you can plant them just a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant lettuce in Harrodsburg 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 lettuce and expect a good harvest is probably September. You probably don't want to wait any later than that or else your lettuce may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your lettuce indoors.

Last Frost Date

The average date of last frost is April 15 in Harrodsburg. In the coldest months of winter you should expect an average low temperature of -5°F.

Since the USDA zone info for Harrodsburg may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Harrodsburg it frosts late in the year after April 15 so always be ready to protect your lettuce in the event of one of those late frosts.

USDA Zone Info for Harrodsburg

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 Harrodsburg

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