The USDA Zone info is a great tool for gardeners to help us determine 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.

In Pittsfield you can determine when it's a good idea to plant alternaria by using the USDA zone info.

Planting Calendar for Alternaria

Frost tolerance for alternaria:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

It's probably a bad idea to plant alternaria until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant alternaria 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 alternaria and expect a good harvest is probably August. Any later than that and your alternaria may not have a chance to really do well. Starting your alternaria 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 Pittsfield. You can expect an average low temperature of -15°F in the coldest months of winter.

Always keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Pittsfield and it is different every year. Half of the time in Pittsfield there is a last frost after April 15 so just be sure to be ready to protect your alternaria if you have one of those late frosts.

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.