The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You should be able to estimate when you can plant bidens by reviewing the USDA zone info for Pittsfield.

Planting Calendar for Bidens

Frost tolerance for bidens:	Not tolerant of frost.
When to plant:	After the last frost.

Since bidens do not do well in cold weather you need to wait until after the last frost has passed before you can plant them.

The earliest that you can plant bidens in Pittsfield is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant bidens and expect a good harvest is probably August. Any later than that and your bidens may not have a chance to really do well. If you are starting your bidens indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

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

Always keep in mind that USDA zone info for Pittsfield may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Pittsfield you get a frost after April 15 be ready to protect your bidens if you have a late frost.

USDA Zone Info for Pittsfield

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 Pittsfield

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