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• BB&N Service Learning Event

  • When
    4 Mar 2026
  •  
    2:00 PM - 4:00 PM
  • Location
    TBD

  This service learning event on the Watertown-Cambridge Greenway is open only to BB&N students and the staff accompanying the students. 

  Details:

  * Starting point will be determined with BB&N staff.

  * Please bring: drinking water, a hat, and garden gloves if you have them. Please wear long pants, socks, and closed toe/sturdy footwear. We also recommend long sleeves for protection against bugs and scratchy plants.

  * We will provide trash bags, gardening gloves and other tools.

  * All students must provide a 2026 waiver signed by a parent or guardian in advance. Staff participants will be asked to sign the 2026 adult waiver in advance or upon arrival.

  Questions? Contact the Greenway team at Watertown Community Gardens at greenway@watertowngardens.org.

  Show details
• 3rd Annual Watertown-Cambridge Greenway Spring Cleanup

  • When
    14 Mar 2026
  •  
    10:00 AM - 12:00 PM
  • Location
    490 Arsenal Way, Watertown, MA 02472

  Register

  Come and volunteer for some spring cleaning on the Watertown-Cambridge Greenway!

  

  Meets on-site at the trail intersection between Watertown Mall and 490 Arsenal Way (with bench and bike racks). From there, one crew will work westward toward the Watertown end, and the other will work eastward toward Fresh Pond in Cambridge.

  Register to get reminders and event updates (and help us ensure we have enough snacks!). Rain date is March 21st, same time, same place.

  Details:

  * Starting point is at the trail intersection between Watertown Mall and 490 Arsenal Way (with bench and bike racks).

  * We'll have coffee and bagels to start things off! 

  * We'll provide disposable gloves and trash bags. Please wear long pants, socks, and closed toe/sturdy footwear.

  * Everyone will be asked to sign a combined 2026 DCR and Watertown Community Gardens waiver. Participants under 18 must be accompanied by an adult or bring a waiver signed by a parent or guardian in advance.

  Questions? Contact Watertown Community Gardens at info@watertowngardens.org.

  
  

  
  

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• RAIN DATE for 3rd Annual Watertown-Cambridge Greenway Spring Cleanup

  • When
    21 Mar 2026
  •  
    10:00 AM - 12:00 PM
  • Location
    490 Arsenal Way, Watertown, MA 02472

  If we're rained out on Saturday, March 14, we'll plan to do the spring cleanup on Saturday, March 21 instead!

  ---------------------------------------------------------------------

  Come and volunteer for some spring cleaning on the Watertown-Cambridge Greenway!

  

  Meets on-site at the trail intersection between Watertown Mall and 490 Arsenal Way (with bench and bike racks). From there, one crew will work westward toward the Watertown end, and the other will work eastward toward Fresh Pond in Cambridge.

  Register to get reminders and event updates (and help us ensure we have enough snacks!). 

  Details:

  * Starting point is at the trail intersection between Watertown Mall and 490 Arsenal Way (with bench and bike racks).

  * We'll have coffee and bagels to start things off! 

  * We'll provide disposable gloves and trash bags. Please wear long pants, socks, and closed toe/sturdy footwear.

  * Everyone will be asked to sign a combined 2026 DCR and Watertown Community Gardens waiver. Participants under 18 must be accompanied by an adult or bring a waiver signed by a parent or guardian in advance.

  Questions? Contact Watertown Community Gardens at info@watertowngardens.org.

  
  

  
  

  Show details
• Volunteer on the W-C Greenway - Thursday Morning Crew

  • When
    26 Mar 2026
  •  
    9:00 AM - 11:00 AM
  • Location
    Holworthy Place (Cambridge) entrance to Watertown-Cambridge Greenway

  Register

  Come join our small crew, every Thursday morning, to enjoy some time outside and help this beautiful pathway stay green. 

  

  We will remove invasive plants (garlic mustard, Japanese knotweed, mugwort, etc.), plant and water native plants, add/repair rabbit cages, and pick up trash. We'll focus on the Greenway between the Huron Ave. bridge and Cottage St.

  Register to help us keep track of volunteer hours, bring enough tools (and snacks!), and let you know about any changes in time or location. Steady rain or downpours will cancel!

  Details:

  * Starting point is the benches at the Holworthy Place entrance to the Greenway in Cambridge (behind the Star Market on Mt. Auburn St.).

  * Please bring: drinking water, garden gloves, and any tools (clippers, trowel, garden fork) if you have them. Please wear long pants, long sleeves, and closed toe/sturdy footwear.

  * We will provide trash bags, gardening gloves and other tools as needed for the day's activities.

  * If you haven't yet signed a 2026 waiver, you will be asked to sign a waiver upon arrival.

  * Any participants under 18 must be accompanied by an adult.

  Show details
• Volunteer on the W-C Greenway - Thursday Morning Crew

  • When
    2 Apr 2026
  •  
    9:00 AM - 11:00 AM
  • Location
    Holworthy Place (Cambridge) entrance to Watertown-Cambridge Greenway

  Register

  Come join our small crew, every Thursday morning, to enjoy some time outside and help this beautiful pathway stay green. 

  

  We will remove invasive plants (garlic mustard, Japanese knotweed, mugwort, etc.), plant and water native plants, add/repair rabbit cages, and pick up trash. We'll focus on the Greenway between the Huron Ave. bridge and Cottage St.

  Register to help us keep track of volunteer hours, bring enough tools (and snacks!), and let you know about any changes in time or location. Steady rain or downpours will cancel!

  Details:

  * Starting point is the benches at the Holworthy Place entrance to the Greenway in Cambridge (behind the Star Market on Mt. Auburn St.).

  * Please bring: drinking water, garden gloves, and any tools (clippers, trowel, garden fork) if you have them. Please wear long pants, long sleeves, and closed toe/sturdy footwear.

  * We will provide trash bags, gardening gloves and other tools as needed for the day's activities.

  * If you haven't yet signed a 2026 waiver, you will be asked to sign a waiver upon arrival.

  * Any participants under 18 must be accompanied by an adult.

  Show details
• Volunteer on Watertown-Cambridge Greenway - Invasive Plant Removal

  • When
    4 Apr 2026
  •  
    10:00 AM - 12:00 PM
  • Location
    Greenway intersection between Watertown Mall and 490 Arsenal Way (with bench and bike racks)

  Help keep the Greenway green!

  We will be working to remove invasive plants and restore wildlife habitat on the Watertown-Cambridge Greenway. The focus for this work day will be on removing garlic mustard, Japanese knotweed and other invasive plant species, and caring for the Pollinator Garden established on the Greenway. Exact tasks will be defined the day of the event.

  Details:

  * Starting point is at the trail intersection between Watertown Mall and 490 Arsenal Way (with bench and bike racks).

  * Please bring: drinking water, garden gloves, and any tools (clipper/pruners/shears, trowel) if you have them. Please wear long pants, long sleeves and closed toe/sturdy footwear

  * We will provide trash bags, trowels, gardening gloves and other tools as needed for the day's activities.

  * All participants will be asked to sign a waiver upon arrival.

  * Any participants under 18 must be accompanied by an adult, or bring a waiver signed by a parent or guardian in advance.

  Questions?

  Contact Watertown Community Gardens at info@watertowngardens.org

  Show details
• Volunteer on the W-C Greenway - Thursday Morning Crew

  • When
    9 Apr 2026
  •  
    9:00 AM - 11:00 AM
  • Location
    Holworthy Place (Cambridge) entrance to Watertown-Cambridge Greenway

  Register

  Come join our small crew, every Thursday morning, to enjoy some time outside and help this beautiful pathway stay green. 

  

  We will remove invasive plants (garlic mustard, Japanese knotweed, mugwort, etc.), plant and water native plants, add/repair rabbit cages, and pick up trash. We'll focus on the Greenway between the Huron Ave. bridge and Cottage St.

  Register to help us keep track of volunteer hours, bring enough tools (and snacks!), and let you know about any changes in time or location. Steady rain or downpours will cancel!

  Details:

  * Starting point is the benches at the Holworthy Place entrance to the Greenway in Cambridge (behind the Star Market on Mt. Auburn St.).

  * Please bring: drinking water, garden gloves, and any tools (clippers, trowel, garden fork) if you have them. Please wear long pants, long sleeves, and closed toe/sturdy footwear.

  * We will provide trash bags, gardening gloves and other tools as needed for the day's activities.

  * If you haven't yet signed a 2026 waiver, you will be asked to sign a waiver upon arrival.

  * Any participants under 18 must be accompanied by an adult.

  Show details
• Volunteer on the W-C Greenway - Thursday Morning Crew

  • When
    16 Apr 2026
  •  
    9:00 AM - 11:00 AM
  • Location
    Holworthy Place (Cambridge) entrance to Watertown-Cambridge Greenway

  Register

  Come join our small crew, every Thursday morning, to enjoy some time outside and help this beautiful pathway stay green. 

  

  We will remove invasive plants (garlic mustard, Japanese knotweed, mugwort, etc.), plant and water native plants, add/repair rabbit cages, and pick up trash. We'll focus on the Greenway between the Huron Ave. bridge and Cottage St.

  Register to help us keep track of volunteer hours, bring enough tools (and snacks!), and let you know about any changes in time or location. Steady rain or downpours will cancel!

  Details:

  * Starting point is the benches at the Holworthy Place entrance to the Greenway in Cambridge (behind the Star Market on Mt. Auburn St.).

  * Please bring: drinking water, garden gloves, and any tools (clippers, trowel, garden fork) if you have them. Please wear long pants, long sleeves, and closed toe/sturdy footwear.

  * We will provide trash bags, gardening gloves and other tools as needed for the day's activities.

  * If you haven't yet signed a 2026 waiver, you will be asked to sign a waiver upon arrival.

  * Any participants under 18 must be accompanied by an adult.

  Show details
• Volunteer on the W-C Greenway - Thursday Morning Crew

  • When
    23 Apr 2026
  •  
    9:00 AM - 11:00 AM
  • Location
    Holworthy Place (Cambridge) entrance to Watertown-Cambridge Greenway

  Register

  Come join our small crew, every Thursday morning, to enjoy some time outside and help this beautiful pathway stay green. 

  

  We will remove invasive plants (garlic mustard, Japanese knotweed, mugwort, etc.), plant and water native plants, add/repair rabbit cages, and pick up trash. We'll focus on the Greenway between the Huron Ave. bridge and Cottage St.

  Register to help us keep track of volunteer hours, bring enough tools (and snacks!), and let you know about any changes in time or location. Steady rain or downpours will cancel!

  Details:

  * Starting point is the benches at the Holworthy Place entrance to the Greenway in Cambridge (behind the Star Market on Mt. Auburn St.).

  * Please bring: drinking water, garden gloves, and any tools (clippers, trowel, garden fork) if you have them. Please wear long pants, long sleeves, and closed toe/sturdy footwear.

  * We will provide trash bags, gardening gloves and other tools as needed for the day's activities.

  * If you haven't yet signed a 2026 waiver, you will be asked to sign a waiver upon arrival.

  * Any participants under 18 must be accompanied by an adult.

  Show details
• Volunteer on the W-C Greenway - Thursday Morning Crew

  • When
    30 Apr 2026
  •  
    9:00 AM - 11:00 AM
  • Location
    Holworthy Place (Cambridge) entrance to Watertown-Cambridge Greenway

  Register

  Come join our small crew, every Thursday morning, to enjoy some time outside and help this beautiful pathway stay green. 

  

  We will remove invasive plants (garlic mustard, Japanese knotweed, mugwort, etc.), plant and water native plants, add/repair rabbit cages, and pick up trash. We'll focus on the Greenway between the Huron Ave. bridge and Cottage St.

  Register to help us keep track of volunteer hours, bring enough tools (and snacks!), and let you know about any changes in time or location. Steady rain or downpours will cancel!

  Details:

  * Starting point is the benches at the Holworthy Place entrance to the Greenway in Cambridge (behind the Star Market on Mt. Auburn St.).

  * Please bring: drinking water, garden gloves, and any tools (clippers, trowel, garden fork) if you have them. Please wear long pants, long sleeves, and closed toe/sturdy footwear.

  * We will provide trash bags, gardening gloves and other tools as needed for the day's activities.

  * If you haven't yet signed a 2026 waiver, you will be asked to sign a waiver upon arrival.

  * Any participants under 18 must be accompanied by an adult.

  Show details
• Volunteer on Watertown-Cambridge Greenway - Invasive Plant Removal

  • When
    2 May 2026
  •  
    10:00 AM - 12:00 PM
  • Location
    Greenway intersection between Watertown Mall and 490 Arsenal Way (with bench and bike racks)

  Register

  Help keep the Greenway green!

  We will be working to remove invasive plants and restore wildlife habitat on the Watertown-Cambridge Greenway. The focus for this work day will be on removing garlic mustard, Japanese knotweed and other invasive plant species, and caring for the Pollinator Garden established on the Greenway. Exact tasks will be defined the day of the event.

  Details:

  * Starting point is at the trail intersection between Watertown Mall and 490 Arsenal Way (with bench and bike racks).

  * Please bring: drinking water, garden gloves, and any tools (clipper/pruners/shears, trowel) if you have them. Please wear long pants, long sleeves and closed toe/sturdy footwear

  * We will provide trash bags, trowels, gardening gloves and other tools as needed for the day's activities.

  * All participants will be asked to sign a waiver upon arrival.

  * Any participants under 18 must be accompanied by an adult, or bring a waiver signed by a parent or guardian in advance.

  Questions?

  Contact Watertown Community Gardens at info@watertowngardens.org

  Show details
• Volunteer on Watertown-Cambridge Greenway - Black swallowwort pull!

  • When
    30 May 2026
  •  
    10:00 AM - 12:00 PM
  • Location
    Greenway intersection between Watertown Mall and 490 Arsenal Way (with bench and bike racks)

  Help keep the Greenway green! 

  We will focus this work session on pulling out Black swallowwort, an invasive plant that is a threat to monarch butterflies. 

  The recent rain means that we can pull out a lot of the plants' roots, which will really help to keep its spread in check. Unfortunately, the recent rain is also good for poison ivy... so please wear long pants AND long sleeves!

  Details:

  * Starting point is at the trail intersection between Watertown Mall and 490 Arsenal Way (with bench and bike racks).

  * Please bring: drinking water, a hat, and garden gloves if you have them. Please wear long pants, socks, closed toe/sturdy footwear - and long sleeves!

  * We will provide trash bags, pitch forks, gardening gloves and trash bags to bag up the black swallowwort.

  * If you haven't yet signed a 2025 waiver, you will be asked to sign a waiver upon arrival.

  * Any participants under 18 must be accompanied by an adult, or bring a waiver signed by a parent or guardian in advance.

  Questions? Contact Watertown Community Gardens at info@watertowngardens.org

  Show details
• Volunteer on Watertown-Cambridge Greenway - Pollinator Garden weeding!

  • When
    27 Jun 2026
  •  
    9:00 AM - 11:00 AM
  • Location
    Pollinator Garden on the Watertown-Cambridge Greenway, near where Wheeler Court ends at the Greenway

  Are you an experienced gardener? Know the difference between the common invasive plants and many native wildflowers? Come join us at this work session dedicated to careful weeding of the Pollinator Garden on the Watertown-Cambridge Greenway.

  

  If we have time, we'll move on to cutting and digging out some of the invasive plants right around the Pollinator Garden, including mugwort, Japanese knotweed, buckthorn and black swallowwort.

  Register to get reminders and event updates (and help us ensure we have enough snacks!).

  Details:

  * NOTE 9 AM START TIME! We're starting earlier now that summertime heat has arrived.

  * Starting point is the Pollinator Garden on the Watertown-Cambridge Greenway, near where Wheeler Court ends at the Greenway, and roughly half-way between the bench behind the Watertown Mall and the trail intersection with Arlington St. and Nichols Ave.

  * If you're driving, there's parking nearby behind the Watertown Mall or at the end of Arsenal Way. 

  * Please bring: drinking water, garden gloves, and clippers and weeding knife if you have them. A kneeling pad or similar foam pad can be helpful. We will provide trash bags, and extra gardening gloves and other tools.

  * If you haven't yet signed a 2025 waiver, you will be asked to sign this waiver upon arrival. Any participants under 18 must be accompanied by an adult, or bring a waiver signed by a parent or guardian in advance.

  Questions? Contact Watertown Community Gardens at info@watertowngardens.org.

  Show details
• Volunteer on Watertown-Cambridge Greenway - Invasive Plant Management

  • When
    25 Jul 2026
  •  
    9:00 AM - 11:00 AM
  • Location
    Greenway, southwest of intersection with Arlington and Nichols St (near the bench)

  Help keep the Greenway green!

  

  Come join neighbors and path users as we work to remove invasive plants and restore wildlife habitat on the Watertown-Cambridge Greenway.

  We will be cutting a patch of Japanese knotweed west of Arlington St.

  Register to get reminders and event updates (and help us ensure we have enough snacks!).
  

  Details:

  

  * Starting point is southwest of the intersection with Arlington and Nichols St (near the bench). See the area highlighted in yellow in this screenshot.

  * Please bring: drinking water, a hat, and garden gloves if you have them. Please wear long pants, socks, and closed toe/sturdy footwear. A kneeling pad or similar foam pad can be helpful. We also recommend long sleeves for protection against bugs and occasional poison ivy.

  * We will provide trash bags, and extra gardening gloves and other tools.

  * If you haven't yet signed a 2026 waiver, you will be asked to sign this waiver upon arrival. Any participants under 18 must be accompanied by an adult, or bring a waiver signed by a parent or guardian in advance.

  Questions? Contact Watertown Community Gardens at info@watertowngardens.org.

  Show details