I live in CT and unfortunately the State Nursery is closed. But I contacted MA and received the following info. if someone is looking for trees/shrubs/plants.
Also the various conservation districts in MA hold spring plant sales.
This is the link to the one in Middlesex County:
http://middlesexconservation.org/?page_id=38
The Worcester County:
http://www.worcesterconservation.org/seedling-sale-15.html
Hampden County:
http://www.pioneervalleyconservation.org
I wish the drive wasn't so far for me but those living close hopefully can take advantage.