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

By checking out the USDA zone info for Byron you should be able to estimate 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.

Lettuce do well in moderate cold which means that you can plant them a little bit earlier than more sensitive plants.

The earliest that you can plant lettuce in Byron 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 really do well. 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 May 15 in Byron. You should expect an average low temperature of -25°F in the coldest months of winter.

Keep in mind that USDA zone info for Byron is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Byron it frosts late in the year after May 15 be ready to cover your lettuce if you have a surprise late frost.

USDA Zone Info for Byron

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Byron

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