Before planting it is a good idea to find your USDA Zone info to estimate 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 Whitehall should be reviewed to estimate when it's possible to plant asparagus lettuce.

Planting Calendar for Asparagus lettuce

Frost tolerance for asparagus lettuce:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Asparagus lettuce require warm weather which means that it is important to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant asparagus lettuce in Whitehall 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. If you are starting your asparagus lettuce indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Whitehall. It might get as low as -5°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Whitehall is an average and the actual date of last frost is different every year. Half of the time in Whitehall you get surprised by a frost after April 15 so make sure that you are prepared to cover your asparagus lettuce if you have a late frost.

USDA Zone Info for Whitehall

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Whitehall

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