When to Plant Kale in Chatham, IL

Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first opportunity to plant kale in Chatham can be figured out by reviewing the USDA zone info.


Planting Calendar for Kale

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

Kale tend to make it in some cold which tells us that you can plant them a little earlier in the year than plants that are more sensitive to the cold.

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

The earliest that you can plant kale in Chatham 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 kale and expect a good harvest is probably September. If you wait any later than that and your kale may not have a chance to grow to maturity. You can get started a little bit earlier by starting your kale indoors.

Last Frost Date

On average the last frost is on April 15 in Chatham. In the coldest months of winter you should expect an average low temperature of -10°F.

Since the USDA zone info for Chatham is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Chatham it frosts late in the year after April 15 so make sure that you are ready to cover your kale if you have a surprise late frost.

USDA Zone Info for Chatham

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-10°F
Highest Expected Low-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Chatham

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