SEPTEMBER 10:
El Rio Preserve Nature Stroll
Mission Garden Event: Monthly Bird Walk
Tucson Bird Alliance Field Trip & Workshop: It’s All In the Family: Shorebird ID, Sept. 10th & 12th ($$)
River Run Network Creek Walk: Explore the Santa Cruz River Heritage Outfalls
Tucson Native Plant Society Monthly Meeting
Plant walk/potluck picnic at Molino Basin on the Catalina Highway
SEPTEMBER 11:
Stargazing Agua Caliente
https://www.discovernature.pima.gov/pima-clr
Nature Journaling: Agua Caliente Park
https://www.discovernature.pima.gov/pima-clr
Tucson Botanical Garden Class: Dragonflies and Damselflies (ZOOM)
https://tucsonbotanical.org/event/dragonflies-and-damselflies
Tucson Botanical Garden Class: Seed Starting 101
https://tucsonbotanical.org/event/seed-starting-101
Pima County Master Gardeners Event: Ask the Master Gardener
https://extension.arizona.edu/events/ask-master-gardener-1
Sky Island Alliance Event: Erosion Control on North Slope of Catalinas
Tucson Bird Alliance Paid Field Trip: Harshaw Creek & Paton Center, Sep. 11th, 6:00 AM
Cornell Lab FREE Webinar: Managing Leaves to Maximize Biodiversity: What Recent Research Reveals
https://cornell.zoom.us/webinar/register/WN_8tHbv-cbQIa6M2dOMhc9Xg#/registration
Ask the Experts! How to Provide Nest Sites and Shelter (Xerces Society Zoom)
https://xerces.org/events/ask-experts-how-to-provide-nest-sites-and-shelter
SEPTEMBER 12:
Smartphone Photography Walk: Feliz Paseos
https://www.discovernature.pima.gov/pima-clr
Tour of Historic Canoa Ranch
https://www.discovernature.pima.gov/pima-clr
Kennedy Park September Community Cleanup!
Rincon Community Garden Event: Night under the stars with entomology professionals from the U of A
https://www.rinconheights.com/community-garden.html
REI Event: A Firefighter and a Poet: Wild Pursuits in the Santa Rita Mountains
Pima County Master Gardeners Event: Best Trees for Tucson
https://extension.arizona.edu/events/best-trees-tucson-1
Tucson Bird Alliance Field Trip: Birding For Every BODY at Canoa Ranch, Sept. 12th, 7:00 AM
https://tas.app.neoncrm.com/forms/field-trip-birding-for-every-body-at-canoa-ra-registration
Living Lab & Learning Center Tour
https://watershedmg.org/events/living-lab-learning-center-tour-6
Green Things Plant Bingo
https://greenthingsaz.com/events-classes
Danny Lopez Park Ecological Survey
https://watershedmg.org/events/danny-lopez-park-ecological-survey
Mission Garden Event: Summer Sunset at the garden
https://www.missiongarden.org/events/summer-sunsets-at-mission-garden-1-xex5m-mfj9f-sn6c7
SEPTEMBER 13:
REI Event: Backpacking Basics
Tucson Weeds Week Launch
https://www.inaturalist.org/projects/tucson-weeds-week-summer-26?tab=about
https://www.desertmuseum.org/buffelgrass/pullvol.php?site_id=16845
Monarch Tagging Workshop in Southern Arizona (Butterfly Wonderland)$
SEPTEMBER 14:
Dragons and Damsels of El Rio Preserve
Pima County Master Gardener FREE ZOOM talk: Short Take: Highlighting Native Plants: Blackfoot Daisy, Melampodium leucanthum with Elizabeth
https://arizona.zoom.us/meeting/register/vyYdazqRTCiiCW_rvnqzbQ#/registration
SEPTEMBER 15:
FoodCycle at Home training
https://www.knowwheretothrow.com/event-details/september-15-2026-foodcycle-at-home-training
Plant Propagation at Borderlands Restoration Network
Tucson Bird Alliance Paid Field Trip: Exploring Cienegas Creek, Sept. 15th, 6:00am ($)
SEPTEMBER 16:
Restoration Seedball Workshop
https://www.discovernature.pima.gov/pima-clr
Tucson Bird Alliance Field Trip: Sweetwater Wetlands, Sept. 16th, 6:15am
https://tas.app.neoncrm.com/forms/field-trip-sweetwater-wetlands-sept-9th-6-registration
Birdability’s On-line Book Club, Turning to Birds: The Power and Beauty of Noticing by Lili Taylor
https://www.birdability.org/birdability-book-club
Pima County Master Gardener FREE ZOOM talk: Invasive Species Series: Battling the Invader: Understanding Saltcedar, Tamarix spp with Ben
https://arizona.zoom.us/meeting/register/7ts5NydpTQ6L9OD4eRT3sQ#/registration
Composting Toilets: Sustainable Desert Living Series
https://watershedmg.org/events/composting-toilets-sustainable-desert-living-series-1
Order Up! Bonus Episode: Skimmers (Pima County Master Naturalists ZOOM)
SEPTEMBER 17:
Tucson Cactus and Succulent Society Monthly Meeting
Tucson Botanical Garden Class: Desert Container Gardening: Plan for 365 Days of Living Color
https://tucsonbotanical.org/event/desert-container-gardening
SEPTEMBER 18:
Anza Tour at Historic Canoa Ranch
https://www.discovernature.pima.gov/pima-clr
Tour of Barrio Viejo
https://www.discovernature.pima.gov/pima-clr
111th Santa Cruz County Fair – Santa Cruz County Fair and Rodeo Association
Pima County Master Gardeners Event: Landscape Gardening in the Desert
https://extension.arizona.edu/events/landscape-gardening-desert
SEPTEMBER 19:
Watercolor Workshop with Brushes and Boots
https://www.rei.com/events/wwss/watercolor-workshop-with-brushes-and-boots
Guided Night Hike
A Taste of Gardening
Tour of Historic Canoa Ranch
https://www.discovernature.pima.gov/pima-clr
Oracle State Park Event: Star Party
https://azstateparks.com/oracle/events/star-party-oracle
Sonoran Sashay/Santa Cruz County Dragonfly Festival Event at Hotel Congress (21 + Event)
Pima County Master Gardeners Event: Cool Season Vegetables
https://extension.arizona.edu/events/cool-season-vegetables-1
Pima County Master Gardeners Event: Agave and Yucca
https://extension.arizona.edu/events/agave-and-yucca-1
Sierra Club Event: Mushroom Foray with the Desert Alchemist on Mt Lemmon
Tucson Mountain Park – Buffelgrass Removal Volunteer Event
https://www.desertmuseum.org/buffelgrass/pullvol.php?site_id=16843
Reid Park Zoo Event: Walk for Conservation: 2026 Wildlife Ranger Challenge
Family Nature Exploration: The Santa Cruz River
Pots and Paint Workshop with Pima County Master Gardeners
SEPTEMBER 20:
Discover the Arizona Trail: Behind the Scenes of a Desert to Mountain Adventure
Santa Cruz County Dragonfly Festival Tour
https://sonoraninstitute.org/events/sccdf26
Tucson Bird Alliance Field Trip: Accessible ‘Sit’ Outing at Santa Rita Lodge, Sept. 20th, 6:30 AM
https://tas.app.neoncrm.com/forms/field-trip-accessible-sit-outing-at-registration-19392
Tucson Bird Alliance Field Trip: Montosa Canyon, Sept. 20th, 6:30 AM
https://tas.app.neoncrm.com/forms/field-trip-montosa-canyon-june-7-630-amco-registration
Monarch Tagging Workshop in Southern Arizona (Butterfly Wonderland) $
SEPTEMBER 21:
FoodCycle at Home Training
https://www.knowwheretothrow.com/event-details/september-21-2026-foodcycle-at-home-training
Make Your Own Dragonfly Kit/Podrás Crear tu Propia Libélula** Available at all Pima County libraries, as supplies last/disponible en todas las bibliotecas del condado de Pima hasta agotar existencias.
Pima County Master Gardeners Event: Welcome to Tucson Gardening: A Beginner’s Guide to a Thriving Garden in the Sonoran
Pima County Master Gardener FREE ZOOM talk: Science Short: Propagating Cacti with Paul
https://arizona.zoom.us/meeting/register/UrZsd79fQEui8_zXFj5yig#/registration
SEPTEMBER 22:
Mission Garden Event: Waters of the Diaspora Celebrate the Autumnal Equinox
https://www.missiongarden.org/events/waters-of-the-diaspora-celebrate-the-autumnal-equinox
Ocotillo Immersion: Ongoing Explorations – Autumn Release with John Slatterly
Pima County Master Gardeners Event: Welcome to Tucson Gardening: A Beginner’s Guide to a Thriving Garden in the Sonoran Desert
8th Annual BeaverFest 2026
https://watershedmg.org/events/8th-annual-beaverfest-2026
Santa Cruz River National Wildlife Refuge Coalition Monthly Meeting via Zoom
Time: Sep 22, 2026 11:00 AM Arizona
Join Zoom Meeting
https://wilderness.zoom.us/j/87503059033
Meeting ID: 875 0305 9033
SEPTEMBER 23:
Housing & Community Development, Tucson Clean and Beautiful, and community volunteers are teaming up to clean up the Roberts Community!
https://survey123.arcgis.com/share/1df83e6f6179455ba73cda82c6faafa6
Tucson Botanical Garden Class: Tiny Terrains: Mini Botanical Landscapes Workshop
https://tucsonbotanical.org/event/mini-botanical-landscapes
Pima County Master Gardeners Event: Ask the Master Gardener
https://extension.arizona.edu/events/ask-master-gardener-5
Tucson Bird Alliance Field Trip: Sweetwater Wetlands, Sept. 23rd, 6:15am
https://tas.app.neoncrm.com/forms/field-trip-sweetwater-wetlands-sept-16th-6-registration
Tucson Mountain Park – Buffelgrass Removal Volunteer Event
https://www.desertmuseum.org/buffelgrass/pullvol.php?site_id=16844
Pima County Master Gardener FREE ZOOM talk: Ask the MG with Toni, Deb, and Silvia
https://arizona.zoom.us/meeting/register/0qIHR9LmRheitIRFQqj7fA#/registration
SEPTEMBER 24:
Pueblos del Maíz Tour at Native Seeds/SEARCH (September 24 and 25)
https://www.nativeseeds.org/pages/nss-pueblos-del-maiz-tour
El Rio Preserve Nature Stroll
Sky Island Alliance VIRTUAL event: From Summer Rains to Winter El Niño: The Climate Outlook for the Southwest
https://www.mobilize.us/skyislandalliance/event/1018104
SEPTEMBER 25:
Nature Journaling: Agua Caliente Park
https://www.discovernature.pima.gov/pima-clr
Join Housing and Community Development, Ward 3, 05 Thrive, and community volunteers as we roll up our sleeves to spruce up the neighborhood.
https://survey123.arcgis.com/share/51d748aa7f154fdf84c726abb42b4306
Pima County Master Gardeners Event: Welcome to Tucson Gardening: A Beginner’s Guide to a Thriving Garden in the Sonoran Desert
Sky Island Alliance Event: Erosion Control on North Slope of Catalinas
SEPTEMBER 26:
Celebrate National Public Lands Day at REI
https://www.rei.com/events/nplc/celebrate-national-public-lands-day-at-rei
Tour of Historic Canoa Ranch
https://www.discovernature.pima.gov/pima-clr
Rosemont West Neighborhood Tree Planting – Volunteer RSVP
Tucson Botanical Garden Class: Pressed Flowers in Glass: Coaster Set
https://tucsonbotanical.org/event/pressed-flowers-coaster
Tucson Botanical Garden Class: Mushroom Cultivation Workshop
https://tucsonbotanical.org/event/mushroom-cultivation-workshop
Cooking: Foraging: Autumn Foraging in the Sonoran Desert: Fruits, Seeds & More Class with John Slatterly
https://ticketing.dbg.org/events/019fc9a6-53c7-0c47-69ea-96adf374d6cd
Fiesta del Maiz
Fall Plant Sale Borderlands Nursery
Mission Garden Event: Archaeology Day
National Public Lands Day 2026
Pima County Guided Dragonfly Tours/Recorrido Guiado de Libélulas en el condado de Pima**, 9 am – 12 pm – Catch and learn about dragonflies with local experts/atrapa y aprende sobre las libélulas con expertos locales.
https://sonoraninstitute.org/events/scrdft26
Pima County Master Gardeners Event: Best Trees for Tucson
https://extension.arizona.edu/events/best-trees-tucson-4
ENR2 Guided Tour
https://arboretum.arizona.edu/events/enr2-guided-tour-4
Tucson Bird Alliance Bird Walk: Paton Center for Hummingbirds, Sept. 26th, 7am
https://tas.app.neoncrm.com/forms/bird-walk-paton-center-for-hummingbirds-augu-registration
Tucson Bird Alliance Paid Class: Brand New to Birding Field Workshop, Sept. 26th, 6:30am ($)
https://tas.app.neoncrm.com/forms/paid-class-brand-new-to-birding-field-worksho-registration
Mission Garden Event: Family Dragonfly Activities and Art with Pima County Conservation Lands and Resources
https://www.missiongarden.org/events/santa-cruz-river-dragonfly-festival
SEPTEMBER 27:
Backpacking Tents and Sleep Systems Workshop @ REI
https://www.rei.com/events/90091/backpacking-tents-and-sleep-systems-workshop
Living River Ramble
https://www.discovernature.pima.gov/pima-clr
Choose Your Activity & Explore Danny Lopez Park!
Tucson Bird Alliance Field Trip: Birding for EveryBODY at El Rio Preserve, Sept. 27th, 6:30 AM
https://tas.app.neoncrm.com/forms/field-trip-birding-for-everybody-at-el-registration
Tucson Bird Alliance Paid Class: Advanced Birding Series: Sparrow Identification, Sept. 27th, 6:30am ($)
https://tas.app.neoncrm.com/forms/paid-class-advanced-birding-series-monsoon-bi-registration-19322
SEPTEMBER 28:
Arizona Trail History Hike
https://www.discovernature.pima.gov/pima-clr
Pima County Master Gardener FREE ZOOM Talk: What to Do in the Garden in October with Paul
https://arizona.zoom.us/meeting/register/ob6jlBQgSgybVHW1ec1ccA#/registration
SEPTEMBER 29:
Plant Propagation at Borderlands Restoration Network
Pima County Master Gardener FREE ZOOM talk: The Secret Life of Plants – A Three-Part Series Session 3: Plant Lifecycles and Living Partnerships” with William
https://arizona.zoom.us/meeting/register/_ECCZAzLQLGtZkebMIu1pw#/registration
SEPTEMBER 30:
Tucson Botanical Garden Class: Nature Journaling in Watercolor
https://tucsonbotanical.org/event/nature-journaling-watercolor
Tucson Bird Alliance Field Trip: Sweetwater Wetlands, Sept. 30th, 6:15am
https://tas.app.neoncrm.com/forms/field-trip-sweetwater-wetlands-sept-23rd-6-registration
Get Outside Tucson! 