When to Plant Napa Valley Fern in Hickory Hills, IL

One of the best tools that you have as gardeners to help us estimate 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 first chance to plant napa valley fern in Hickory Hills can be determined by looking at the USDA zone info.


Planting Calendar for Napa Valley Fern

Frost tolerance for napa valley fern: Not tolerant of frost.
When to plant: After the last frost.

Since napa valley fern do not do well in cold weather you must wait until after the last frost before you can plant them.

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

The earliest that you can plant napa valley fern in Hickory 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 napa valley fern and expect a good harvest is probably August. Any later than that and your napa valley fern may not have a chance to fully mature. If you are starting your napa valley fern indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

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

Since the USDA zone info for Hickory Hills is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Hickory Hills last frost occurs after April 15 be ready to protect your napa valley fern if you have a surprise late frost.

USDA Zone Info for Hickory 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 Hickory Hills

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