Invasive Plant Volunteer Events

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Wednesday, March 12, 2025
Time: 7:00 AM - 11:00 AM

Organization: Sonoran Desert Weedwackers - Pima County Conservation Lands & Resources
Description: Join us for a beautiful morning of removing buffelgrass in Tucson Mountain Park! Volunteers should be comfortable with strenuous work including hiking up hills and working off trail on rocky terrain. We'll provide snacks and drinks when we've finished.
Meeting Location: Ellie will send details on the specific meeting location within Tucson Mountain Park a couple days ahead of time. Text or call Ellie if you haven't received an email with meeting location details. A bathroom may or may not be available depending on the meeting location.
Event location: , Tucson Mountain Park
Volunteers: 10 registered out of a total capacity of 25
Tools Provided: lightweight digging bars, rock picks, work gloves
Bring: water (2 liters), snacks, backpack, sunscreen
Wear: hiking boots or sturdy shoes, long pants, sun protection (hat, sunglasses, long sleeves)
Additional Information: Our volunteer group works every 2nd & 4th Wednesday of the month and every 3rd Saturday of the month. Wednesdays tend to include more challenging terrain and/or further hikes.

Thursday, March 13, 2025
Time: 8am to 1130am

Organization: Arizona Native Plant Society and Catalina State Park
Description: We will walk 20 minutes to our destination along the Loop Trail. After an orientation on grass identification, we will dig out Lehmann Lovegrass plants that are invading a 3 acre Mariposa Lily Patch. With this very dry year we will not disturb the lily bulbs.
Meeting Location: After driving through the Catalina State Park entrance, proceed straight ahead to the main parking lot on the north side where you will see a white F150 truck with the tools.
Event location: Lat: 32.417782 Long: -111.930415
Volunteers: 2 registered out of a total capacity of 10
Tools Provided: Lightweight geology picks will be provided
Bring: Camelback with water, gloves
Wear: sturdy boots, long pants and long sleeve shirt, hat
Additional Information: I will send my cell number to people who sign up for this event.

Saturday, March 15, 2025
Time: 8:00 AM - 12:00 PM

Organization: Watershed Management Group
Description: WMG’s River Run Network is excited to tackle the removal of an invasive species, Arundo donax (giant reed), from along Tanque Verde Creek in east Tucson. Arundo is harmful because it drinks up to 3-4 times as much water as native desert plants, crowds out native species and habitat, and increases the risk of flooding and wildfire. By helping to remove Arundo at this workshop, you’ll be helping to restore groundwater levels and surface flow in the Tanque Verde Creek. New to this effort? At each workshop, we will hand out a punch card to new volunteers and punch returning volunteers' cards to help you keep track of the workshops you've been to!
Meeting Location: We will be meeting on the south side of Forty Niner Drive and then carpooling /caravanning to the creek entrance. Please plan to arrive 15 minutes early for check in.
Event location: 12050 E Forty Niner Drive, Tucson, Arizona 85749
Volunteers: 1 registered out of a total capacity of 30
Tools Provided: Yes
Bring: Refillable water bottle
Wear: Close-toed shoes, Long pants, Long sleeved shirt, Hat, sunscreen and sunglasses, Work gloves if you like (we will also provide these for you), Snacks (if you want them)

Saturday, March 15, 2025
Time: 7:00 AM - 11:00 AM

Organization: Sonoran Desert Weedwackers - Pima County Conservation Lands & Resources
Description: Join us for a beautiful morning of removing buffelgrass in Tucson Mountain Park! Volunteers should be comfortable with strenuous work including hiking up hills and working off trail on rocky terrain. We'll provide snacks and drinks when we've finished.
Meeting Location: Ellie will send details on the specific meeting location within Tucson Mountain Park a couple days ahead of time. Text or call Ellie if you haven't received an email with meeting location details. A bathroom may or may not be available depending on the meeting location.
Event location: , Tucson Mountain Park
Volunteers: 3 registered out of a total capacity of 25
Tools Provided: lightweight digging bars, rock picks, work gloves
Bring: water (2 liters), snacks, backpack, sunscreen
Wear: hiking boots or sturdy shoes, long pants, sun protection (hat, sunglasses, long sleeves)
Additional Information: Our volunteer group works every 2nd & 4th Wednesday of the month and every 3rd Saturday of the month. Saturdays tend to be on less strenuous terrain and are good opportunities for new volunteers to join.

Wednesday, March 19, 2025
Time: 7:00am - 11:30am

Organization: Town of Marana Parks and Recreation
Description: Join the Space Invaders volunteer program and help our Natural Resources team combat invasive plants in our open space parks! Volunteers will work alongside experts to identify and remove non-native species that threaten the health of our local ecosystems. This hands-on experience not only contributes to preserving the natural beauty and biodiversity of our parks but also provides a unique educational opportunity to learn about native flora and the impacts of invasive plants. Be a part of this vital effort to protect and restore our cherished green spaces while connecting with nature and like-minded community members. Ages 16 and Up
Meeting Location: Meet at the Wild Burro Trailhead parking Lot ramada
Event location: 14810 N Secret Springs Dr. , Marana, AZ 85658
Volunteers: 3 registered out of a total capacity of 10
Tools Provided: Yes
Bring: Water, snacks, sun protection
Wear: Long sleeves, long pants, closed toe shoes

Thursday, March 20, 2025
Time: 6:30pm-7:30pm

Organization: Arizona-Sonora Desert Museum
Description: Online support for the Weed Mapping community science project. Join us if you are interested in helping to map invasive plants in southern Arizona and are having difficulty installing or using the Wild Spotter app. Also for questions and queries related to the Weed Mapping project in general.
Meeting Location: Online videoconference. Link to be shared.
Event location: ,
Volunteers: 0 registered out of a total capacity of 6
Tools Provided:
Bring: Your smartphone with the Wild Spotter app installed and a computer with videoconference capability (ie camera and microphone)
Wear: Please be dressed
Additional Information: For more information on the Weed Mapping project, see the http://desertmuseum/weedmapping page.

Saturday, March 22, 2025
Time: 8:00 AM - 12:00 PM

Organization: Watershed Management Group
Description: WMG’s River Run Network is excited to tackle the removal of an invasive species, Arundo donax (giant reed), from along Tanque Verde Creek in east Tucson. Arundo is harmful because it drinks up to 3-4 times as much water as native desert plants, crowds out native species and habitat, and increases the risk of flooding and wildfire. By helping to remove Arundo at this workshop, you’ll be helping to restore groundwater levels and surface flow in the Tanque Verde Creek. New to this effort? At each workshop, we will hand out a punch card to new volunteers and punch returning volunteers' cards to help you keep track of the workshops you've been to!
Meeting Location: We will be meeting on the south side of Forty Niner Drive and then carpooling /caravanning to the creek entrance. Please plan to arrive 15 minutes early for check in.
Event location: 12050 E Forty Niner Drive, Tucson, Arizona 85749
Volunteers: 0 registered out of a total capacity of 30
Tools Provided: Yes
Bring: Refillable water bottle
Wear: Close-toed shoes, Long pants, Long sleeved shirt, Hat, sunscreen and sunglasses, Work gloves if you like (we will also provide these for you), Snacks (if you want them)

Wednesday, March 26, 2025
Time: 7:00 AM - 11:00 AM

Organization: Sonoran Desert Weedwackers - Pima County Conservation Lands & Resources
Description: Join us for a beautiful morning of removing buffelgrass in Tucson Mountain Park! Volunteers should be comfortable with strenuous work including hiking up hills and working off trail on rocky terrain. We'll provide snacks and drinks when we've finished.
Meeting Location: Ellie will send details on the specific meeting location within Tucson Mountain Park a couple days ahead of time. Text or call Ellie if you haven't received an email with meeting location details. A bathroom may or may not be available depending on the meeting location.
Event location: , Tucson Mountain Park
Volunteers: 1 registered out of a total capacity of 25
Tools Provided: lightweight digging bars, rock picks, work gloves
Bring: water (2 liters), snacks, backpack, sunscreen
Wear: hiking boots or sturdy shoes, long pants, sun protection (hat, sunglasses, long sleeves)
Additional Information: Our volunteer group works every 2nd & 4th Wednesday of the month and every 3rd Saturday of the month. Wednesdays tend to include more challenging terrain and/or further hikes.

Saturday, March 29, 2025
Time: 7:00 AM - 11:00 AM

Organization: Sonoran Desert Weedwackers - Pima County Conservation Lands & Resources
Description: Join us for a beautiful morning of removing African lovegrass and buffelgrass at Colossal Cave Mountain Park! Volunteers should be comfortable with strenuous work including hiking and working off trail. We'll provide snacks and drinks when we've finished.
Meeting Location: We'll meet at the main parking lot near the cave tour entrance. Then we'll get in a county 12 passenger van to ride to a location in the park closer to our work area.
Event location: 16721 E Old Spanish Trail, Vail, AZ 85641
Volunteers: 3 registered out of a total capacity of 15
Tools Provided: lightweight digging bars, rock picks, work gloves
Bring: water (2 liters), snacks, backpack, sunscreen
Wear: hiking boots or sturdy shoes, long pants, sun protection (hat, sunglasses, long sleeves)

Saturday, March 29, 2025
Time: 8:00 AM - 12:00 PM

Organization: Watershed Management Group
Description: WMG’s River Run Network is excited to tackle the removal of an invasive species, Arundo donax (giant reed), from along Tanque Verde Creek in east Tucson. Arundo is harmful because it drinks up to 3-4 times as much water as native desert plants, crowds out native species and habitat, and increases the risk of flooding and wildfire. By helping to remove Arundo at this workshop, you’ll be helping to restore groundwater levels and surface flow in the Tanque Verde Creek. New to this effort? At each workshop, we will hand out a punch card to new volunteers and punch returning volunteers' cards to help you keep track of the workshops you've been to!
Meeting Location: We will be meeting on the south side of Forty Niner Drive and then carpooling /caravanning to the creek entrance. Please plan to arrive 15 minutes early for check in.
Event location: 12050 E Forty Niner Drive, Tucson, Arizona 85749
Volunteers: 0 registered out of a total capacity of 30
Tools Provided: Yes
Bring: Refillable water bottle
Wear: Close-toed shoes, Long pants, Long sleeved shirt, Hat, sunscreen and sunglasses, Work gloves if you like (we will also provide these for you), Snacks (if you want them)

Tuesday, April 1, 2025
Time: 6:30pm-7:30pm

Organization: Arizona-Sonora Desert Museum
Description: Online support for the Weed Mapping community science project. Join us if you are interested in helping to map invasive plants in southern Arizona and are having difficulty installing or using the Wild Spotter app. Also for questions and queries related to the Weed Mapping project in general.
Meeting Location: Online videoconference. Link to be shared.
Event location: ,
Volunteers: 0 registered out of a total capacity of 6
Tools Provided:
Bring: Your smartphone with the Wild Spotter app installed and a computer with videoconference capability (ie camera and microphone)
Wear: Please be dressed
Additional Information: For more information on the Weed Mapping project, see the http://desertmuseum/weedmapping page.

Thursday, April 3, 2025
Time: 7:00 AM - 12:00 PM

Organization: Saguaro National Park
Description: Did you know that April is national poetry month? Bring your favorite nature themed poems for a fun filled morning digging buffelgrass from a beautiful part of the Tucson Mountains in Saguaro National Park! The hike is less than 2 miles along an unmaintained social trail with gradual elevational gain. The work will be done at the base of Panther Peak and provides dramatic, sweeping views. Frankie will serenade you with desert themed poetry to motivate and inspire.
Meeting Location: Exact meeting location will be shared after signing up. A private residence a short drive from the Cam-Boh Trailhead parking area in Picture Rocks.
Event location: Lat: 32°19'56.7"N Long: 111°10'07.4"W
Volunteers: 1 registered out of a total capacity of 15
Tools Provided: All tools and PPE are provided
Bring: Water, snacks, sunscreen, poems(optional)
Wear: Long pants, closed toe shoes, sun protection (hat, sunglasses, sunscreen), long sleeves(optional), a smile(highly encouraged)
Additional Information: This event is also known as the first Thursday Frank and Frankie public pull party. If you also love alliteration, we might just be the group for you.

Saturday, April 5, 2025
Time: 8 am- 12 pm

Organization: Catalina State Park Buffel Slayers
Description: We will spend the morning digging out buffelgrass and saving saguaros. Buffelgrass is the Number One Enemy of our beloved iconic saguaros! Help ensure their continued existence in Catalina State Park by removing it. Buffelgrass also crowds out spring wildflowers and steals moisture from palo verde nurse trees.
Meeting Location: Meet at the Equestrian Center in the Park. Take the first left after the big wash crossing and proceed past the Campground Loops to the end of the road. Park on the left by the corrals. Meet at the picnic area/ 50 Year Trailhead. Exact location of dig will be determined by weather and group size.
Event location: 11570 N. Oracle Rd., Oro Valley, AZ 85737
Volunteers: 3 registered out of a total capacity of 40
Tools Provided: Pick-mattocks, digging bars, hand picks, work gloves, kneeling pads
Bring: 2 Liters of water, snacks, sun screen, work gloves, day pack, trekking pole, if preferred
Wear: Sturdy hiking shoes or boots, long pants, long sleeved shirt, sun hat
Additional Information: We supply the tools and gloves. We will have a baby saguaro to raffle, and we have colorful T-shirts for our 5 time repeat participants. Get into the park for free! Expect to hike at least 30 minutes and work on rough, rocky slopes. This activity requires a moderate fitness level. **We have need for a few volunteers during the summer to monitor for green-up of buffelgrass in a few patches near trailheads. If you like to hike in the cool morning hours during monsoon season, this may be a job for you. This opportunity comes with a free day pass.

Sunday, October 12, 2025
Time: 3:00 PM - 5:00 PM

Organization: Watershed Management Group
Description: We begin this effort by tackling areas across the Rillito this fall (2024) where there have been documented sightings of Arundo, and we need your help to stop the spread and keep it out of our creeks! At this event, we will focus our efforts on picking up trash and removing a few small stands of Arundo in the creek area, easily accessible from the Loop so you can join us by bike or you may even be close enough to walk. We will bring everything you need to participate in this effort to pick up trash and remove the invasive species, but you are welcome to bring your own supplies as well! We recommend bringing your favorite set of gloves, a water bottle, and loppers if you have them.
Meeting Location: We will meet near the Diamond St Loop entrance north of the Rillito, on Craycroft Rd.
Event location: 3455 N Craycroft Rd, , Tucson, AZ 85718
Volunteers: 6 registered out of a total capacity of 30
Tools Provided: Yes
Bring: Refillable water bottle
Wear: Close-toed shoes, Long pants, Long sleeved shirt, Hat, sunscreen and sunglasses, Work gloves if you like (we will also provide these for you), Snacks (if you want them)

Retrieved from the Arizona-Sonora Desert Museum web site on 03-09-2025
http://buffelgrass.org/buffelgrass/pullsitelist.php?range=2025-03-06