The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You will be able to determine when to plant lettuce by looking at the USDA zone info for Grantsville.

Planting Calendar for Lettuce

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

Lettuce can survive in some cold which means that you can plant them a little earlier in the year than more sensitive plants.

The earliest that you can plant lettuce in Grantsville 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. Any later than that and your lettuce may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your lettuce indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Grantsville. You can expect an average low temperature of 0°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Grantsville is not always accurate and the actual date of last frost is different every year. Since half of the time in Grantsville you get a frost after April 15 be ready to protect your lettuce if you have a late frost.

USDA Zone Info for Grantsville

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 Grantsville

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