One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The best time to plant asparagus lettuce in Zone 5b can be estimated by reviewing the USDA zone info.

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.

Since asparagus lettuce do not do well in cold weather it is necessary to wait until after the last frost before you can plant them.

The earliest that you can plant asparagus lettuce in Zone 5b 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. Any later than that and your asparagus lettuce may not have a chance to really do well. You can get started a few weeks earlier by starting your asparagus lettuce indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Zone 5b. In the coldest months of winter you should expect an average low temperature of -15°F.

Since the USDA zone info for Zone 5b is just an average the actual date of last frost is different every year. Half of the time in Zone 5b you get surprised by a frost after April 15 so make sure that you are ready to protect your asparagus lettuce if you have a late frost.

USDA Zone Info for Zone 5b

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 Zone 5b

You may be interested in your other planting guides for Zone 5b.