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

By referring to the USDA zone info for Charles City you will be able to determine when it's the best time to plant bachelor buttons.

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 mild cold which tells us that you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant bachelor buttons in Charles 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. 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 few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Charles City. It might get as low as -20°F during the coldest months of winter.

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

USDA Zone Info for Charles City

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Charles City

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