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.

One way of determining when it's possible to plant asparagus lettuce is to check out the USDA zone info for Vernon Hills.

Planting Calendar for Asparagus lettuce

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

Since asparagus lettuce are not cold tolerant you really should wait until after the last frost has passed before you can plant them.

The earliest that you can plant asparagus lettuce in Vernon Hills 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 grow to maturity. You can get started a few weeks earlier by starting your asparagus lettuce indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Vernon Hills. You should expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Vernon Hills is just an average the actual date of last frost changes from year to year. Since half of the time in Vernon Hills there is a last frost after April 15 be ready to cover your asparagus lettuce in the event of a late frost.

USDA Zone Info for Vernon Hills

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 Vernon Hills

You may be interested in your other planting guides for Vernon Hills.