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

The USDA zone info for Zone 6a can be read to estimate when to plant asparagus lettuce.

Planting Calendar for Asparagus lettuce

Frost tolerance for asparagus lettuce:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Asparagus lettuce are not cold tolerant which means that it is necessary to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant asparagus lettuce in Zone 6a is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant asparagus lettuce and expect a good harvest is probably August. You probably don't want to wait any later than that or else your asparagus lettuce may not have a chance to grow to maturity. Starting your asparagus lettuce indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Zone 6a. It might get as low as -10°F during the coldest months of winter.

Since the USDA zone info for Zone 6a is not always accurate the actual date of last frost will vary from year to year. Half of the time in Zone 6a it frosts late in the year after April 15 so make sure that you are prepared to cover your asparagus lettuce in the event of a surprise late frost.

USDA Zone Info for Zone 6a

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Zone 6a

You may be interested in your other planting guides for Zone 6a.