Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Maryville you can estimate when it's possible to plant lettuce by using the USDA zone info.

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 a little bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant lettuce in Maryville 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 few weeks earlier.

Last Frost Date

In Maryville the average date of last frost happens on April 15. You should expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Maryville 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 Maryville you get a frost after April 15 be ready to cover your lettuce in the event of a late frost.

USDA Zone Info for Maryville

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 Maryville

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