Check our CALENDAR for this season’s programs, or our calendar-at-a-glance

    • VISIT

      Our grounds are open everyday from sunrise to sunset. The Visitor Center is opened daily from 9:30am to 4pm, with daily tours at 10am. Self-guided tour info is located in the parking lot kiosk. Picnic grounds available.  No dogs please, $5 donation, free for members and children 12 and under.


      Help support our mission of plant research, education and conservation by becoming a MEMBER  or donating today.

Welcome to the Polly Hill Arboretum


Check out our new Plant Selection Guide



The Polly Hill Arboretum, a Martha’s Vineyard horticultural and botanical landmark, was developed by the legendary horticulturist, Polly Hill (1907-2007). Here in 1958, Polly began an arboretum by sowing a seed, eventually bringing 20 acres under cultivation while preserving 40 additional acres as native woodland. Established in 1998 as a not-for-profit institution the Arboretum is devoted to the cultivation and study of plants and the preservation of the character and magic of this tranquil landscape.


Rare trees and shrubs from around the world are set among stone walls, meadows, and fields, including Polly’s famous North Tisbury azaleas, the national stewartia collection, camellias, hollies, rhododendrons, crabapples, conifers, magnolias, and many more. The kousa dogwood allee, perennial border, monkey puzzle tree, and the Julian Hill magnolia are favorites with visitors.




Plant Selection Guide

Need help finding the right plant for your landscape and site conditions? Check out our web-based searchable plant selection guide. Searches are based on site conditions, native region, plant type and plant characteristics. Each category has more detailed options, allowing your search to narrow down plant options for each location.


Read more about the guide here







 DSC00227Visitor Center to Open for Season

Saturday, May 23

Help us celebrate Help us celebrate the opening of our Visitor Center for the season with our annual Memorial Day Plant Sale. Whether you’re a budding gardener or a seasoned veteran, our plant sale will have something for you. Arboretum staff have chosen and grown plants that are noted not only for their superior ornamental qualities but also for their adaptability to Martha’s Vineyard. We plan to offer a selection of trees, shrubs, and perennials including many Island natives. Plants for sale all season long.  Check out plant availability here!





vanishing actsVanishing Acts: Trees Under Threat

March – June 2015

Visit Vanishing Acts, a traveling outdoor exhibit developed by the Morton Arboretum at PHA! This exhibit seeks to increase public awareness of the precarious future of the world’s endangered trees. As the forests go, so go the trees. Experts are delivering new warnings that deforestation, plant diseases pests, and climate change are combining to dramatically reduce the amount and health of the world’s forests and trees. Ten percent of all tree species are now threatened with extinction, officials say.
Visitors will embark upon a global journey, exploring compelling tree stores from around the world displayed on 15 panels. Many of the featured trees are planted on the Arboretum grounds.

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Read more about it here!








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