When to Plant Chard in Warrenville, IL

One of the first steps you take when you are making a decision about 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.

You will be able to determine when it's a good idea to plant chard by checking out the USDA zone info for Warrenville.


Planting Calendar for Chard

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

Chard are moderately cold tolerant which tells us that you can get them planted earlier than other frost tender plants.

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

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

Last Frost Date

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

It's important to remember that USDA zone info for Warrenville may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in Warrenville you get surprised by a frost after April 15 so just be sure to be ready to protect your chard if you have a late frost.

USDA Zone Info for Warrenville

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 Warrenville

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