One of the first steps you take when you are determining 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.

In Granite City you can estimate when it's the best time to plant bachelor buttons by reviewing the USDA zone info.

Planting Calendar for Bachelor Buttons

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

Bachelor Buttons are one of those plants that can tolerate a little bit of cold weather which means that you can get them planted earlier than other plants that might not handle the cold.

The earliest that you can plant bachelor buttons 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 bachelor buttons and expect a good harvest is probably September. You probably don't want to wait any later than that or else your bachelor buttons may not have a chance to really do well. You can get started a little bit earlier by starting your bachelor buttons indoors.

Last Frost Date

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

Just be sure to remember that USDA zone info for Granite City is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Granite City you get surprised by a frost after April 15 so be sure to be ready to cover your bachelor buttons in the event of 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.