Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The best time to plant bachelor buttons in Dayton can be estimated by looking at 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 do ok in moderate cold which tells us that you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant bachelor buttons in Dayton is March. However, you really should wait until April 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 August. Any later than that and 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 May 15 in Dayton. It might get as low as -25°F during the coldest months of winter.

Just be sure to remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Dayton and it will vary from year to year. Since half of the time in Dayton last frost occurs after May 15 be ready to cover your bachelor buttons in the event of a surprise late frost.

USDA Zone Info for Dayton

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Dayton

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