When to Plant Asparagus Fern in Carpentersville, IL

The USDA Zone info is a great tool for gardeners to help us estimate your gardening 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 Carpentersville should be looked at to estimate when 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.

You should not plant asparagus fern until after the last frost when the weather gets warmer because they do not do well in cold weather.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant asparagus fern
Possibly ok, but a risky time to plant asparagus fern
Probably not a good time to plant asparagus fern

The earliest that you can plant asparagus fern in Carpentersville 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. If you are starting your asparagus fern indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

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

It's important to remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Carpentersville and it is different every year. Half of the time in Carpentersville it frosts late in the year after April 15 so just be sure to be ready to protect your asparagus fern if you have a surprise late frost.

USDA Zone Info for Carpentersville

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 Carpentersville

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