Nature’s Notebook

Connecting People with Nature to Benefit Our Changing Planet

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Volunteers learn how to make phenology observations on plants in the Central Arizona Highlands.

Image credit:
L. Barnett

Central Arizona Phenology Trail

The Central Arizona Phenology Trail encourages people to engage in active, outdoor education, ask and answer local science, management and climate questions, and connect like-minded organizations together through a shared community project.  

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Our Partners

The Central Arizona Phenology Trail consists of walks at our wonderful partnering organization sites. Partner locations include:

  1. The Highlands Center for Natural History on Walker Road
    • Find Highlands Center Trail #442 where plants are tagged for observation
  2. The Community Nature Center of Prescott on Williamson Valley Road
  3. Prescott Creeks/Watson Woods on US Hwy 89
  4. The Natural History Institute at Prescott College on Grove Avenue 
    • Fremont cottonwoods are being monitored along Butte Creek as part of USA-NPN's Green Wave Southwest campaign. Prescott College and the City of Prescott plan to develop a phenology trail as part of the future Greenways Trail System along Lower Butte Creek.The public is welcome on campus, especially during daylight hours.
  5. The Walnut Creek Center for Education and Research near the Juniper Mesa Wilderness
    • Contact Royce or Nita for more information by email at or via phone at 928-308-2872
  6. Supporting partner: Arizona Native Plant Society

Be sure to visit each of these locations to check out the tagged plants and animals and make some phenology observations.  Each site offers many other natural history, environmental, gardening and other great programs, so be sure to see what else you can learn while there!


Check out some of the plant species being observed by sites on the Central AZ Phenology Trail sites

Acer negundo Achillea millefolium  Arctostaphylos pungens 
Asclepias asperula Asclepias subverticillata Bouteloua curtipendula
Bouteloua gracilis Cercocarpus montanus Fraxinus velutina
Ipomopsis aggregata Juglans major Juniperus deppeana
Nolina microcarpa Oenothera caespitosa Pinus edulis
Pinus ponderosa Populus fremontii Purshia stansburiana
Quercus emoryi Quercus gambelii Rhus aromatica
Rosa woodsii   Vitis arizonica



If you live in the Prescott area, or are just visiting, you can help us build a long-term dataset for the plants and animals we've tagged in Nature's Notebook

Follow these three steps:

  1. Register for a Nature's Notebook account
  2. On the Edit My Account page, find the Central Arizona Phenology Trail Group, click on the + sign, and select the sub-groups you'd like to visit.
  3. Save your updated information and return to your Observation Deck to start observing.