One of the first steps you take when you are figuring out 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.

A common way of making a decision about when you can plant bachelor buttons is to consult the USDA zone info for Carnegie.

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 do well in moderate cold which tells us that you can plant them a little bit earlier than more sensitive plants.

The earliest that you can plant bachelor buttons in Carnegie 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. Any later than that and your bachelor buttons may not have a chance to fully mature. Starting your bachelor buttons indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

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

Always keep in mind that USDA zone info for Carnegie is just an average and the actual date of last frost will vary from year to year. Since half of the time in Carnegie you get a frost after April 15 be ready to cover your bachelor buttons in the event of one of those late frosts.

USDA Zone Info for Carnegie

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 Carnegie

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