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Transition Zone Horticultural Inst

Flagstaff, AZ · EIN 942788812 · Form 990 · FY2022 · NTEE C40 · Environment · Small ($100K-$1M) · www.thearb.org
revenue
$666K
expenses
$977K
net assets
$2.3M
employees
24
volunteers
65
program ratio
65%
mission · from form 990

To increase the appreciation, understanding, and conservation of plants and plant communities native to the Colorado Plateau.

profile · synthesized from sources

The Arboretum at Flagstaff is a nonprofit organization dedicated to increasing the understanding, appreciation, and conservation of plants native to the Colorado Plateau. Located in Flagstaff, Arizona, it features a 200-acre property with over 750 species of plants and offers educational programs, events, and a plant nursery. The organization serves the local community through hands-on learning experiences and conservation efforts.

irs program accomplishments · form 990 part iii · fy2022

what they reported doing

Program narrative the organization filed with the IRS. Ordered by program spending.

  1. #1 primary $252K
    Conservation of Native Plants - Our horticulture and conservation departments work to preserve native plants at riskby providing native plant and ecological information, conductingrestoration and citizens science projects, on site display garden development and interpretation, and in-house plant propagation and community plant sales.
  2. #2 $126K
    Environmental Education - our onsite education programs for children include school field trips. in-class programing, and summer camps For adults, our programs include docent training courses, guided nature walks, seminars, lectures, and hands-on workshops.
named programs · 4 · from sources

what they call their work

Ales with the Arb
Monthly talks featuring research in biological sciences held at a local brewery.
Bird Walks
Guided morning walks to observe and learn about local bird species.
Eco-Explorers Summer Camp
Educational summer camp for children focused on exploring local ecology and conservation.
Wildflower Walks
Guided tours through the gardens to explore native wildflower species.
activities · 5 clusters

what they do

  • Nature-Based Environmental Education Programs 3 activities
    • Bird Walks Program
      Hosts bird walks led by Dr. Celia Holm through The Arboretum at Flagstaff gardens, with over 130 bird species recorded on site.
    • Offer guided nature walks
      Offers morning wildflower walks led by knowledgeable staff through its gardens to explore native Northern Arizona wildflowers, limiting participation to 15 individuals per session. Also hosts bird walks led by Dr. Celia Holm, having recorded over 130 different species at the Arboretum.
    • Wildflower Walks Program
      Offers guided morning walks through the gardens to explore native Northern Arizona wildflowers, led by knowledgeable staff, with participation limited to 15 individuals per session.
  • Desert & Native Plant Garden Management 2 activities
    • Arboretum Grounds Maintenance
      Maintains a 200-acre property featuring display gardens, greenhouses, open space, and woodland trails, supporting 750 species of plants native to the Colorado Plateau.
    • Maintain a botanical garden and arboretum
      Maintains a 200-acre property featuring display gardens, greenhouses, open space, and woodland trails, which is home to 750 species of plants native to the Colorado Plateau.
  • Horticultural Exhibitions and Plant Sales 2 activities
    • Host special events and facility rentals
      Hosts special events, plant sales, wedding and facility rentals, youth and adult classes, and features local artist works in its gift shop. This includes a seasonal art installation called "Botanical Blacksmiths" displaying metal garden sculptures for purchase.
    • Special Events and Public Programs
      Hosts a variety of public events including plant sales, wedding and facility rentals, youth and adult classes, and rotating art installations such as the seasonal "Botanical Blacksmiths" exhibit featuring metal garden sculptures available for purchase.
  • Native and Specialty Plant Nursery Operations 2 activities
    • Native Plant Nursery Operations
      Operates a nursery that grows and sells locally sourced, greenhouse-grown native plants adapted for high-elevation gardens.
    • Operate a native plant nursery
      Operates a plant nursery that sells greenhouse-grown native plants suitable for high elevation gardens.
  • Uncategorized 2 activities
    • Eco-Explorers Summer Camp
      Offers a summer camp program for youth focused on environmental education and exploration.
    • Provide youth summer camps
      Offers an Eco-Explorers Summer Camp for youth.
financials · form 990 · fy2022

the money

revenue
Total revenue$666K
Contributions & grants$466K70%
Program service revenue$143K21%
Investment income$-163K-24%
Other revenue$219K
expenses
Total expenses$977K
Program expenses65%
Admin / overhead23%
Fundraising5%
Salaries & benefits$473K
Grants paid out$0
Largest expense lineCompensation
balance sheet
Total assets$2.51M
Cash$216K
Investments$861K
Liabilities$170K
Net assets$2.34M
Liquid reserves13.2 mo
3 years on record · 2020–2022 · YoY revenue -19.5%
leadership · form 990 part vii · fy2022

who runs it

paid leadership · 1
NameTitleHours/wkCompensation
Nate O'Meara Executive Director 50 $79K
board members · 10
  • Alexis Fojtgik — Director
  • Austin Leggett — Director
  • Brian Webb — Director
  • Charlie Odegaard — Vice President
  • Dennis Kruse — Director
  • Dr Celia Holm — Director
  • Ellen Wade — Secretary
  • Eric Creekmur — President
  • James Allen — Director
  • Ryan Stuart — Treasurer
relationships · 9

who they work with

  • Holleday Funder — Season sponsor for 2026
  • Holleday Funder — Season sponsor for 2026.
  • International Raptor and Falconry Center Partner — Partners to bring raptors for visitors to meet.
  • Mother Road Funder — Season sponsor for 2026
  • Mother Road Funder — Season sponsor for 2026.
  • Mother Road Brewing Company Partner — Hosts "Ales with the Arb" events.
  • Mother Road Brewing Company Partner — Hosts "Ales with the Arb" nature and science talks at their location.
  • Russ Lyon Funder — Season sponsor for 2026
  • Russ Lyon Funder — Season sponsor for 2026.