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 determining when you can plant lettuce is to consult the USDA zone info for Chillicothe.

Planting Calendar for Lettuce

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

You can plant lettuce just a bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant lettuce in Chillicothe 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. If you wait any later than that and your lettuce may not have a chance to fully mature. If you are starting your lettuce indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Chillicothe the average date of last frost happens on April 15. You can expect an average low temperature of -15°F in the coldest months of winter.

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

USDA Zone Info for Chillicothe

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Chillicothe

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