One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. 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 Kewanee should be reviewed to determine when you can 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.

You should not plant asparagus lettuce until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant asparagus lettuce in Kewanee 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. If you wait any later than that and your asparagus lettuce may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your asparagus lettuce indoors.

Last Frost Date

The average date of last frost is April 15 in Kewanee. In the coldest months of winter you should expect an average low temperature of -15°F.

Remember that USDA zone info for Kewanee may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Kewanee there is a last 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 Kewanee

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 Kewanee

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