One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By referring to the USDA zone info for Marquette you should be able to determine when it's possible to plant lettuce.

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 earlier in the year because they do well in moderate cold.

The earliest that you can plant lettuce in Marquette 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 really do well. You can get started a couple of weeks earlier by starting your lettuce indoors.

Last Frost Date

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

Since the USDA zone info for Marquette may not be accurate from year to year the actual date of last frost is different every year. Half of the time in Marquette there is a last frost after April 15 so be sure to be ready to protect your lettuce in the event of a late frost.

USDA Zone Info for Marquette

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 Marquette

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