Rainwater Harvesting for Drylands and Beyond by Brad Lancaster

Brad Lancaster, Aleck MacKinnon, Omar Ore-Giron with Desert Harvesters and Dunbar/Spring Neighborhood Foresters: FREE Hands-On Neighborhood Tree-Pruning & Mulching Workshop, February 10, 2018 — Tucson AZ

February 10, 2018
9:00 amto2:00 pm

FREE Hands-On Neighborhood Tree-Pruning & Mulching Workshop

plus, an opportunity to get your prunings chipped into mulch for an extremely reasonable donation

Neighborhood volunteer pruning crew—note the fresh prunings on curb ready for chipping

Neighborhood volunteer pruning crew—note the piles of fresh prunings on the curb, ready for chipping

Saturday, February 10, 2018
Starts at 9 am—stay as long as you can or want
Meet at Dunbar/Spring Community Garden/Orchard
(NW corner of 11th Ave & University Blvd)

After the demonstration, we will move to various parts of the Dunbar/Spring neighborhood to get hands-on experience with Aleck as we prune native and domesticated food-bearing trees in the neighborhood’s public rights-of-way.


Local certified arborist Aleck MacKinnon (The Pedaling Arborist),
Brad Lancaster (Desert Harvesters and Rainwater Harvesting for Drylands and Beyond), and
Omar Ore-Giron (Native Roots Landscaping)

Participants will learn:

– Best pruning times, techniques, and tools;

– Best practices to maintain City clearance standards for trees in public rights-of-way along footpaths and streets; and

– How to reuse prunings (cut up with hand tools or chipped with chipper/shredder) as an aesthetically-pleasing, water-conserving, fertility-enhancing mulch.

Immediately after the pruning, we will turn the prunings into mulch with a chipper/shredder that will be moving through the neighborhood behind the pruners.

In this way the pruned biomass is recycled back into the root zone of the trees it came from. Nothing is thrown away or removed from the natural system.

This is how to transform wasteful Brush & Bulky
into resourceful Chipped & Mulchy

Come learn how you can replicate and evolve this practice to grow more healthy forests and citizen foresters in your neighborhood.

This workshop is open to and can be attended by EVERYONE, no matter what neighborhood you live in.

NOTE: All public rights-of-way in front of properties must maintain a minimum continuous clear walkway area 5 feet wide and 7 feet tall to make our neighborhood walkways and forests easily navigable for all.

See our Dunbar/Spring Neighborhood Walkability Study

Sponsored by the Dunbar/Spring Neighborhood Foresters
and Desert Harvesters

Chipping Service (by donation): Turn “wastes” into resources, as you transform your prunings into mulch
Throughout the pruning-workshop day, Omar Ore-Giron will be operating a rented industrial chipper-shredder to quickly turn prunings into mulch. To cover costs he will be asking for a donation of $30 per property for those using the chipper services. This is an amazing deal, as this would ordinarily cost well over $100 per property.

Pruning Requirements and Guidelines for Neighborhood Mulching Service:

Contact Omar (nativeroots.az@gmail.com, (520) 425-9795) by Friday, February 9, to let him know you want your prunings mulched. Suggested minimum donation is $30.

• All public rights-of-way adjoining all properties must maintain/prune a continuous clear walkway a minimum 5 feet wide and 7 feet tall, so two people can comfortably walk along the path side by side without having to duck under limbs. Violations are subject to citations from the City of Tucson.

• All piles of prunings left beside street curb (for chipping into mulch) should contain ONLY freshly pruned green limbs 3” in diameter or less.

No old, dry dead wood will be chipped into mulch, as this dulls the chipper blades too quickly.

• Pile branches so branch butts are all facing in the same direction. This helps ensure that the pile of prunings is not tangled, but rather is orderly and therefore easy to take apart to chip into mulch.

• Wide branch “crotches” or “V’s” should be cut at their base, so the branch will fit into the chipper (no diameter can exceed 3 inches).

• All piles must be on the street curbside before chipping service arrives on site.

This is a wonderful opportunity to:

• Meet neighbors, build community, and expand your knowledge of local plants and ecology,

• Prune your trees in a way that will improve their health and reduce future need to prune,

• Make walking and bicycling in our neighborhood more convenient, enjoyable, and safe,

• Keep our trees’ useful biomass and fertility in our neighborhood,

• Increase our living soil’s ability to bioremediate/filter pollutants,

• Enhance our soil’s ability to absorb and hold onto water—lessening flooding AND reducing water bills, and

• Maximize the amount of carbon we can beneficially sequester in our soils and trees.

Bring hat, work gloves, water bottle, and pruning tools if you have them (we will also have some for those without).

If you have trees in need of some pruning, prunings in need of chipping into mulch, or would like to participate, please contact:

Omar Ore-Giron, Dunbar/Spring resident and owner of Native Roots Landscaping, at nativeroots.az@gmail.com or (520) 425-9795.

Before pruning...

Right-of-way footpath before pruning…

...after pruning!

…and after pruning!

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