Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The earliest that you can plant iceberg lettuce in Maryville can be determined by referring to the USDA zone info.

Planting Calendar for Iceberg lettuce

Frost tolerance for iceberg lettuce:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Iceberg lettuce tend to make it in some cold which tells us that you can plant them slightly earlier in the year than other plants that might not handle the cold.

The earliest that you can plant iceberg lettuce in Maryville is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant iceberg lettuce and expect a good harvest is probably August. If you wait any later than that and your iceberg lettuce may not have a chance to really do well. You can get started a couple of weeks earlier by starting your iceberg lettuce indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Maryville. It might get as low as 0°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Maryville is an average and the actual date of last frost is different every year. Half of the time in Maryville you get surprised by a frost after April 15 so make sure that you are prepared to protect your iceberg lettuce if you have 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.