When to Plant Radicchio in Palos Park, IL

One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By looking at the USDA zone info for Palos Park it's possible to estimate when you can plant radicchio.


Planting Calendar for Radicchio

Frost tolerance for radicchio: Tolerant of some frost.
When to plant: Up to 5 weeks before last frost.

Since radicchio do well in moderate cold you can plant them a little bit earlier in the year than other plants that might not handle the cold.

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

The earliest that you can plant radicchio in Palos Park is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant radicchio and expect a good harvest is probably September. You probably don't want to wait any later than that or else your radicchio may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your radicchio indoors.

Last Frost Date

In Palos Park the average date of last frost happens on April 15. It might get as low as -15°F during the coldest months of winter.

Since the USDA zone info for Palos Park may not be accurate from year to year the actual date of last frost is different every year. Half of the time in Palos Park you get surprised by a frost after April 15 so be sure to be ready to protect your radicchio if you have a surprise late frost.

USDA Zone Info for Palos Park

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 Palos Park

You may be interested in your other planting guides for Palos Park.