When to Plant Chard in Alton, 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.

By using the USDA zone info for Alton you should be able to estimate when you can plant chard.


Planting Calendar for Chard

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

Since chard are moderately cold tolerant you can plant them a bit earlier in the year 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 Alton 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. Any later than that and your chard may not have a chance to really do well. Starting your chard indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Alton. It might get as low as -10°F during the coldest months of winter.

Keep in mind that USDA zone info for Alton may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Alton there is a last frost after April 15 be ready to cover your chard if you have a late frost.

USDA Zone Info for Alton

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 Alton

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