The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You will be able to determine when it's the best time to plant chard by reviewing the USDA zone info for Granite City.

Planting Calendar for Chard

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

Since chard do well in moderate cold you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant chard in Granite City 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 little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Granite City. You can expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Granite City may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Granite City you get a frost after April 15 be ready to cover your chard if you have one of those late frosts.

USDA Zone Info for Granite City

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Granite City

You may be interested in your other planting guides for Granite City.