One of the first steps you take when you are getting a good idea 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 USDA zone info for Libertyville should be reviewed to estimate when it's a good idea to plant asparagus fern.

Planting Calendar for Asparagus Fern

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

It's not a good idea to plant asparagus fern until after the last frost because they are not cold tolerant.

The earliest that you can plant asparagus fern in Libertyville 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 fern and expect a good harvest is probably August. If you wait any later than that and your asparagus fern may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your asparagus fern indoors.

Last Frost Date

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

Keep in mind that USDA zone info for Libertyville is just an average and the actual date of last frost is different every year. Since half of the time in Libertyville you get a frost after April 15 be ready to protect your asparagus fern if you have a late frost.

USDA Zone Info for Libertyville

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 Libertyville

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