Massachusetts Prohibited Plant List

Following is a list of plants, including all cultivars, varieties and hybrids, for which the sale, import, trade, purchase, distribution, propagation, and related activities are currently prohibited within the state of Massachusetts:

prohibitedplantlistMay2026.csv

*Phase-out period for newly listed prohibited species:

When a species is added to the Prohibited Plant List, nursery agents/growers may no longer receive or begin propagation of those species. Existing stock is subject to the following phase-out periods, determined by growth form (1 year for herbaceous plants, 2 years for shrubs, 3 years for trees):

Common Name	Scientific Name	Deadline for import/ propagation	Deadline for all sales
black Alder, European alder	Alnus glutinosa	12/8/2025	12/31/2028
Callery/Bradford pear	Pyrus calleryana	9/19/2024	12/31/2028 (with limited exceptions in orchards)
Chinese silver grass, Eulalia, maiden grass	Miscanthus sinensis	12/8/2025	12/31/2026
Japanese Angelica tree	Aralia elata	5/11/2026	5/11/2029
jetbead, white Kerria, jetberry bush	Rhodotypos scandens	12/8/2025	12/31/2027
sapphire berry, Asiatic sweetleaf	Symplocos paniculata	5/11/2026	5/11/2028

Last updated:	February 27, 2026