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30th annual community planting of new street-side, water-harvesting basins in the public rights-of-ways of the Dunbar/Spring neighborhood – Tucson, AZ

March 21 @ 6:00 am - 8:00 am

WHEN: 6am – 8am, Saturday, March 21, 2026

WHERE: We will gather plants and tools at 6am at 813 N. 9th Avenue,
then go around the corner to plant at 722 and 730 N. Perry Ave in the Dunbar/Spring neighborhood.
Once we are done with those plantings we will move a block or so away to 40 W. University Blvd.
We should be done by 8am before it gets hot.

Come help us plant seven new street-side, water-harvesting, eddy basins  — installations in the public commons, planted and stewarded by the participating public.
We plant the rain before we plant the plants!

This planting of rain, trees, understory, & wildflowers is occurring in the Dunbar/Spring neighborhood, but the planting event is open to anyone from any neighborhood, and is a great opportunity to see how such an event, or other Neighborhood Forester endeavors, could be organized elsewhere.

NOTE: there will be a film crew documenting the planting

 

We’ll start with a brief planting demonstration led by Brad Lancaster then plant. The demonstration will show you how to plant the rain to maximize its potential, how to plant food-bearing native trees by seed and/or with nursery stock to maximize passive summer shading/cooling, and how to recycle/plant prunings and leaves as fertility-building, carbon-sequestering, pollutant-filtering, water-harvesting mulch.
End time of ten is approximate (with a good showing of folks we’ll likely finish up early).

Cost: FREE—plus your planting help

 

Come join us in planting native shade trees, understory vegetation, wildflowers, and seed within or beside water-harvesting earthworks in the public rights-of-way. The idea is to plant native food-producing, flood-controlling, wildlife-habitat-producing, beautiful, air- and water-filtering, living air conditioners.
Street trees that shade up to 75% of the street’s surface can also cool summer neighborhood temperatures by up to 20ºF.

This enhances the walkability and bikeability of our neighborhoods, which improves health and drops crime. When we harvest street runoff to irrigate the street trees, we reduce water consumption as we reduce downstream flooding we naturally bioremediate/filter pollutants, and help indirectly and directly recharge our groundwater. Thus far this annual event has resulted in over 1,800 trees being planted in our neighborhood/waterhood, thousands of understory plants, and contributed to annually harvesting over one million gallons of stormwater that used to go to the stormdrain—let’s keep going!

Thanks to Little John Excavating for doing the basin excavation, Churchman Sand & Gravel for catalina granite rock, neighbor Keith for the donation of urbanite, Neighborhood Foresters for the mesquite branches, and Dryland Design for doing the excellent rockwork and logwork.

 

What to bring: Work clothes, sun hat, gloves, and water as we’ll be working outdoors. A pointed shovel, pruning tools, and/or hard rake would also be great (and we’ll have some extra tools on hand for those lacking them).

ALSO COME TO OUR next planting event in the West University neighborhood – with whom we share the same watershed, thus we are all the same waterhood – in one week.
See here for details

 

For info and photos from past plantings see here

 

For more info on our Annual Neighborhood Rain, Tree, & Food Forest Planting see here

 

For more info on these and many other water harvesting strategies, check out the full-color, revised editions of Rainwater Harvesting for Drylands and Beyond available at deep discount direct from the author Brad Lancaster.

Details

  • Date: March 21
  • Time:
    6:00 am - 8:00 am

Organizer

  • Dunbar Spring Neighborhood Foresters