Before planting it is a good idea to find your USDA Zone info to estimate 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.

It's possible to estimate when it's a good idea to plant bachelor buttons by referring to the USDA zone info for Rochester.

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 tend to make it in moderate cold which means 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 Rochester 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 fully mature. You can get started a few weeks earlier by starting your bachelor buttons indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Rochester. It might get as low as -15°F during the coldest months of winter.

Always keep in mind that USDA zone info for Rochester is an average and the actual date of last frost will vary from year to year. Half of the time in Rochester it frosts late in the year after April 15 so make sure that you are ready to protect your bachelor buttons if you have a late frost.

USDA Zone Info for Rochester

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Rochester

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