As a non-profit organization, we rely on your support. Your membership dollars help us improve our experiential education programs, expand our conservation efforts, maintain regular event programming, and support facility and rental space renovations.


Benefits of Membership


  • FREE garden admission including admission to more than 330 gardens nationwide through the American Horticultural Society Reciprocal Admissions Program (Pssst…this includes the Desert Botanic Garden and Durango Botanic Gardens!)
  • Early admission to our Annual Plant Sale
  • Free admission to Wildflower Walks and Bird Walks
  • Exclusive member discounts on concert and event tickets, at plant sales and Summer Camps
  • Discounts on native plants at Warner’s Nursery

How do I become a member?


It’s so easy! Select a membership level (described on your right) and scroll up on this page to complete your payment details.

Already a member? Please consider increasing your membership level, give a gift membership, or buy a membership for your canine family member! With each increase, you will enjoy additional benefits and help us grow The Arboretum’s capacity to do more good things.

Membership Levels


ASTER $40 – 1 adult, 2 guest passes deductible amount* $40
BUTTERCUP $75 – 2 adults + children, 4 guest passes deductible amount* $75
CLIFFROSE $100 -2 adults + children, 8 guest passes deductible amount* $64
PONDEROSA $250 – 2 adults + children + dogs, 8 guest passes deductible amount* $196
COLUMBINE $500 – 2 adults + children + dogs, 10 guest passes, PLUS Private Garden Tour! deductible amount* $428
PENSTEMON $1,000 – 2 adults + children + dogs, 12 guest passes, PLUS Private Garden Tour! deductible amount* $910
DOGWOOD $15 – 1 canine companion deductible amount* $15
LUPINE $750 – Business Membership – 2 business membership cards + 20 guest passes +2 tickets to each of our concerts + linked logo on this membership page

*You may be able to deduct membership fees you pay to The Arboretum at Flagstaff.  However, you can deduct only the amount that is more than the value of the benefits you receive.  Please consult your tax advisor with any questions. 


Give a Gift to Honor Friends or Family

The Arboretum can arrange for dedication benches, garden plaques or trees to be placed in the gardens in honor or in memory of your loved one. Please email for more information. 2020 Arb Memorial Brochure