Check out Arnoldia, the Arnold Arboretum’s magazine of science, horticulture, arts, and letters exploring the nature of trees.
Help celebrate 150 years of the Arnold Arboretum!
Join Now or Renew
As a member, you are part of a strong community of like-minded people who want to help the Arnold Arboretum flourish now and in the future. You are part of our 150 years of special relationships between plants and people—a community that includes plant and environmental scientists, science educators, school children and families, walkers and runners, and nature enthusiasts everywhere.
As a nonprofit organization that is free and open to the public every day of the year, we rely on the thoughtfulness and generosity of our contributors. Our strength derives from the support of members like you who enjoy the Arboretum for free (both in person and online), yet contribute annually to ensure the Arboretum stays vibrant and dynamic. Individuals, families, and institutions can join or renew their membership at any level by simply following the links below to our online membership form.
Please note our membership levels changed in May 2022 after more than 25 years to better align costs and revenue. Please select the membership level below that makes sense for you—every dollar contributed helps advance our work and benefits all visitors. If you would like to make a donation that is different from or in addition to the membership levels, we welcome you to make a gift via our donation page.
To join or renew membership by mail, complete our Printable Membership Form and mail to: The Arnold Arboretum of Harvard University, P.O. Box 419209, Boston, MA 02241-9209.
Share Your Love of Trees!
Want to give a friend or family member a present that benefits the natural world? Give the gift of membership at the Arnold Arboretum! Your gift recipient can enjoy a year of benefits and access to exclusive programming, as well as the good feeling that comes from supporting biodiversity, education, and the landscape of Boston’s tree museum and urban oasis.
Community Member
- Arnoldia, the quarterly magazine of plant science, horticulture, ecology, and history—print edition and online access to current volume
- Invitations to members-only events, early access to registration for all programming, and online access to recorded tours
- 10% Discounts at more than 25 participating nurseries and garden centers
- Free or discounted admission at more than 345 gardens through the reciprocal gardens program of the American Horticultural Society
- Arnold Arboretum membership sticker
- 15% Discount on merchandise at the Hunnewell Visitor Center
Arbor Day Member
- Arbor Day Seedling cultivated by the Arnold Arboretum
- Arnoldia, the quarterly magazine of plant science, horticulture, ecology, and history—print edition and online access to current volume
- Invitations to members-only events, early access to registration for all programming, and online access to recorded tours
- 15% Discount on merchandise at the Hunnewell Visitor Center
- 10% Discounts at more than 25 participating nurseries and garden centers
- Free or discounted admission at more than 345 gardens through the reciprocal gardens program of the American Horticultural Society
- Arnold Arboretum membership sticker
Notable Member
- Arnold Arboretum membership-exclusive pack of 5 note cards, with images from the Arboretum’s grounds and archives
- Arbor Day Seedling cultivated by the Arnold Arboretum
- Arnoldia, the quarterly magazine of plant science, horticulture, ecology, and history—print edition and online access to current volume
- Invitations to members-only events, early access to registration for all programming, and online access to recorded tours
- 15% Discount on merchandise at the Hunnewell Visitor Center
- 10% Discounts at more than 25 participating nurseries and garden centers
- Free or discounted admission at more than 345 gardens through the reciprocal gardens program of the American Horticultural Society
- Arnold Arboretum membership sticker
Patron Member
- Arnold Arboretum membership-exclusive wall calendar with modern and archival images the Arboretum and its collection
- Arnold Arboretum membership-exclusive pack of 5 note cards, with images from the Arboretum’s grounds and archives
- Arbor Day Seedling cultivated by the Arnold Arboretum
- Arnoldia, the quarterly magazine of plant science, horticulture, ecology, and history—print edition and online access to current volume
- Invitations to members-only events, early access to registration for all programming, and online access to recorded tours
- 15% Discount on merchandise at the Hunnewell Visitor Center
- 10% Discounts at more than 25 participating nurseries and garden centers
- Free or discounted admission at more than 345 gardens through the reciprocal gardens program of the American Horticultural Society
- Arnold Arboretum membership sticker
Benefactor Member
- Recognition in the Arboretum’s Annual Report
- Arnold Arboretum membership-exclusive wall calendar with modern and archival images the Arboretum and its collection
- Arnold Arboretum membership-exclusive pack of 5 note cards, with images from the Arboretum’s grounds and archives
- Arbor Day Seedling cultivated by the Arnold Arboretum
- Arnoldia, the quarterly magazine of plant science, horticulture, ecology, and history—print edition and online access to current volume
- Invitations to members-only events, early access to registration for all programming, and online access to recorded tours
- 15% Discount on merchandise at the Hunnewell Visitor Center
- 10% Discounts at more than 25 participating nurseries and garden centers
- Free or discounted admission at more than 345 gardens through the reciprocal gardens program of the American Horticultural Society
- Arnold Arboretum membership sticker
Sargent-Olmsted Society
For a donation of $2,500 or more, we welcome you into our Sargent-Olmsted Society. Your membership in this core group means that you are instrumental in the Arboretum’s continued strength in horticulture and protecting biodiversity. And you are key in fulfilling our founding promise as a public park in the City of Boston.
Ginkgo Circle
- Invitation to Sargent-Olmsted Society Reception
- Recognition in the Arboretum’s Annual Report
- Arnold Arboretum membership-exclusive wall calendar with modern and archival images the Arboretum and its collection
- Arnold Arboretum membership-exclusive pack of 5 note cards, with images from the Arboretum’s grounds and archives
- Arbor Day Seedling cultivated by the Arnold Arboretum
- Arnoldia, the quarterly magazine of plant science, horticulture, ecology, and history—print edition and online access to current volume
- Invitations to members-only events, early access to registration for all programming, and online access to recorded tours
- 15% Discount on merchandise at the Hunnewell Visitor Center
- 10% Discounts at more than 25 participating nurseries and garden centers
- Free or discounted admission at more than 345 gardens through the reciprocal gardens program of the American Horticultural Society
- Arnold Arboretum membership sticker
Stewartia Circle
- Behind-the-scenes gathering with the Director
- Invitation to Sargent-Olmsted Society Reception
- Recognition in the Arboretum’s Annual Report
- Arnold Arboretum membership-exclusive wall calendar with modern and archival images the Arboretum and its collection
- Arnold Arboretum membership-exclusive pack of 5 note cards, with images from the Arboretum’s grounds and archives
- Arbor Day Seedling cultivated by the Arnold Arboretum
- Arnoldia, the quarterly magazine of plant science, horticulture, ecology, and history—print edition and online access to current volume
- Invitations to members-only events, early access to registration for all programming, and online access to recorded tours
- 15% Discount on merchandise at the Hunnewell Visitor Center
- 10% Discounts at more than 25 participating nurseries and garden centers
- Free or discounted admission at more than 345 gardens through the reciprocal gardens program of the American Horticultural Society
- Arnold Arboretum membership sticker
Maple Circle
- One “Notable Membership” ($250 level) to give as a gift
- Behind-the-scenes gathering with the Director
- Invitation to Sargent-Olmsted Society Reception
- Recognition in the Arboretum’s Annual Report
- Arnold Arboretum membership-exclusive wall calendar with modern and archival images the Arboretum and its collection
- Arnold Arboretum membership-exclusive pack of 5 note cards, with images from the Arboretum’s grounds and archives
- Arbor Day Seedling cultivated by the Arnold Arboretum
- Arnoldia, the quarterly magazine of plant science, horticulture, ecology, and history—print edition and online access to current volume
- Invitations to members-only events, early access to registration for all programming, and online access to recorded tours
- 15% Discount on merchandise at the Hunnewell Visitor Center
- 10% Discounts at more than 25 participating nurseries and garden centers
- Free or discounted admission at more than 345 gardens through the reciprocal gardens program of the American Horticultural Society
- Arnold Arboretum membership sticker
Metasequoia Circle
- One “Notable Membership” ($250 level) to give as a gift
- Behind-the-scenes gathering with the Director
- Invitation to Sargent-Olmsted Society Reception
- Recognition in the Arboretum’s Annual Report
- Arnold Arboretum membership-exclusive wall calendar with modern and archival images the Arboretum and its collection
- Arnold Arboretum membership-exclusive pack of 5 note cards, with images from the Arboretum’s grounds and archives
- Arbor Day Seedling cultivated by the Arnold Arboretum
- Arnoldia, the quarterly magazine of plant science, horticulture, ecology, and history—print edition and online access to current volume
- Invitations to members-only events, early access to registration for all programming, and online access to recorded tours
- 15% Discount on merchandise at the Hunnewell Visitor Center
- 10% Discounts at more than 25 participating nurseries and garden centers
- Free or discounted admission at more than 345 gardens through the reciprocal gardens program of the American Horticultural Society
- Arnold Arboretum membership sticker
Director’s Circle
Don’t find what you are looking for? Email the Membership Department or call 617.384.5766. To join by mail, complete our Printable Membership Form and mail to: The Arnold Arboretum of Harvard University, P.O. Box 419209, Boston, MA 02241-9209.