Become a supporter From seasoned gardeners & new arboretum tree lovers to those in their first season.We welcome you! Membership & Donations All | Membership | Donations | 2025 Active Membership $50.00 Add To Cart Added! Old City Arboretum from $50.00 Donation: Select Donation $50 $75 $100 $150 $200 Add To Cart Added! Gift A Donation from $50.00 Donation: Select Donation $50 $75 $100 $200 Add To Cart Added!