One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Worcester you can figure out when it's a good idea to plant bachelor buttons by checking out 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 moderately cold tolerant which means that you can plant them earlier than other frost tender plants.

The earliest that you can plant bachelor buttons in Worcester 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 really do well. If you are starting your bachelor buttons indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Worcester the average date of last frost happens on April 15. You can expect an average low temperature of -15°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Worcester may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Worcester last frost occurs after April 15 so just be sure to be ready to protect your bachelor buttons if you have a late frost.

USDA Zone Info for Worcester

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 Worcester

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