The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for North Branch can be reviewed to figure out when it's a good idea 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 bit earlier in the year because they do well in moderate cold.

The earliest that you can plant lettuce in North Branch 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 lettuce and expect a good harvest is probably August. If you wait any later than that and your lettuce may not have a chance to grow to maturity. If you are starting your lettuce indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is May 15 in North Branch. In the coldest months of winter you should expect an average low temperature of -30°F.

It's important to remember that USDA zone info for North Branch may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in North Branch last frost occurs after May 15 be ready to protect your lettuce if you have a late frost.

USDA Zone Info for North Branch

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in North Branch

You may be interested in your other planting guides for North Branch.