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Worms from the Vermillion Wormery

Photo by Darbi Davis

Every issue, landscape designer Darbi Davis digs deep to bring you stories for your outdoor space. This month: Darbi’s love affair with, um, worms. Plus: scroll down for cool product picks from Boxhill.

Darbi Davis. Photo by Jen Long Photography

Darbi Davis. Photo by Jen Long Photography

Several years ago, somewhere between graduate school and child rearing, I decided it was time to venture into the world of composting. Food scraps, yard waste and newspapers were collected in the hopes of producing black gold with the advantage of a lighter garbage can. Two years went by, and there was no sign of anything soft or fluffy in that large, black bin. But it was infested with every species of roach in existence. We quit composting as a result.

1) Worm FOOD!

Worm food! Photo by Darbi Davis

Over time, the horrible memories faded and our family grew – as did the guilt of watching the garbage fill with food scraps and yard waste. I reconsidered the art of composting and decided to try out a far more fascinating method – worms.

For months, I researched the process of worm composting, determined to find a system that was convenient, functional, and of course aesthetic, across all phases of the composting process. I was hoping to start my bin with ‘local’ worms, and discovered the Vermillion Wormery in Oracle, met the most delightful worm coach, Linda Leigh PhD, and began my adventure.

Uncomposted material with news paper shreds and castings when all the critters have completed the process.

Uncomposted material with newspaper shreds (left)  and
castings, after the worms have completed the
process. Photo by Darbi Davis

Linda is the resident expert on worms and many other topics related to the natural environment (she’s lived in an ecosystem outside of the earth’s atmosphere longer than anyone on earth, in Biosphere 2, and she survived an encounter with a 9 foot charging bear in Alaska). So, of course, I asked her a few questions about vermicomposting.

“What I love most about worms is their ability to transform worm food into plant food,” says Linda. “That process of transformation into the microbially rich castings [worm poop]is not well understood by science, and I love that mystery of it. The worm bin is a fabulous educational tool. I also love that almost everyone has a story about worms!”

And I love that worm composting is so compact. All you need is a bin (a regular plastic tote will do it ), bedding, and of course the wriggly farmers themselves.

Here are her tips for making worm composting work:

* Use the right bin Dr. Leigh recommends using a 10 gallon tote to start because it is light enough to move around even when full of castings, and easily starts with a pound of worms. The worms can be purchased online or at the Vermillion Wormery. One pound is adequate for a two-person household and requires a minimal investment in the event that worms don’t flourish in your household.

2) Preparing the Worm Bedding - Coco Coir

Preparing the coco coir worm bedding, Photo by Darbi Davis

* Give the worms bedding Worm bedding, consisting of coco coir, composted horse manure or newspaper shreds, is critical in keeping the worms moist so they can breathe and it serves as a habitat for other microorganisms to thrive and process waste before the worms even eat the food. Think of it as a food processing plant! Coco coir is a natural byproduct of harvesting coconut and is a good medium for the novice and smaller indoor bins because it retains moisture well while still allowing for air circulation.

* Buy local Purchasing worms online is reliable and okay; however, make sure you get a full pound of worms, not worms plus bedding equaling one pound. Worms can quickly die in high temperatures so many places will not ship during the summer. Locally fed worms from places like the Vermillion Wormery are the best source because they eat local waste. Locally produced compost is as equally important as locally-grown food, for many of the same reasons.

* Worms will move to their food.  If it’s in a flat bin, they will find it.  If it’s in a tower-like bin, they will migrate up to it or over (but worms can’t jump, so the tower bins must be touching), and back down if necessary.  They do not like light so if the food is near a light source, they probably won’t get to it.

Linda’s information above is critical when starting your own worm composting system. There are also many great books on these delightful subterranean dwellers, such as Worms Eat My Garbage by Mary Appelhof, and my favorite, The Earth Moved: On the Remarkable Achievements of Earthworms by Amy Stewart.

Here the worms migrate up through holes in each tray to reach their food.

Here the worms migrate up through holes in each
tray to reach their food. Photo by Darbi Davis

For the last year, I can honestly say that these teeny, tiny subterranean farmers have changed our lives. I love that I don’t fear my compost, and that my whole family has an amazing respect for those ridiculously wiggly worms and their underground community. My children are actively involved in their maintenance, and the harvested castings  have turned around seemingly sterile soil.

They truly have become part of the family. For most of the year they reside on our patio. During the heat of summer, we move them into the hall closet, and on the coldest nights they have been known to join us by the living room fireplace. I kid you not.

* Find out more about the Vermillion Wormery here. Visit them every Sunday at the Tucson St. Philip’s Farmer’s Market from 9 am to 1 pm, where they have worm composting systems and worm compost on display.

Darbi’s Plant of the Month: Aloe 

Aloe1 Aloes are lovely succulent plants from Africa that do well in the desert, and come in a variety of sizes and flower colors. Their flowers are gorgeous and should be shooting up any day now if they haven’t already (these guys are active during the winter months and dormant during the summer).


What’s HOT for your desert yard

Boxhill brings us its product picks each month. This issue: outdoor solutions inspired by Pantone’s Color of the Year.


Pantone is the authority on color, and makes predictions for what colors will be popular and why – in fashion, home, industrial design and many other areas of commerce. BOXHILL has used Radiant Orchid, the color of the year, and paired it with complimentary colors  and products  you could use in your outdoor space. Clockwise from top left:
Outdoor Double Cocoon: A cozy little outdoor swing to snuggle up to or put in your favorite tree or patio, it comes in this yummy fresh avocado color. It’s small enough to carry, yet big enough to share. From wind and wet to sun and sea, its high quality, weather-proof fabric resists all the elements.

Brass Tray and Vase : We paired up with HCV (Hot Cool Vintage) with the tray and vase. Loving how we can add vintage bones to any outdoor space. In good vintage condition, this gorgeous hand hammered brass Samovar tray dates back to the turn of the 19th century.

Cement Façade Table: This beautiful and unique pair of decorative details from Arms & Barnes has been salvaged from a building in Philadelphia. The material was crafted into a pair of end tables with custom steel frames. They can be put together making a larger table or separated to flank both sides of your favorite sofa or lounge chair. The pair can also be used on an outdoor patio.Each end table measures 18.5”D x 15”W x 20”H

Classic Boho Area Rug: Our reversible polypropylene mats are made to last! But like everything else we have to take good care of them. Hose clean and drip dry if you wash them. Ideally, roll them up when not in use. For safe indoor use we recommend carpet double face tape at both ends. Product is recyclable at the end of its life-cycle. Comes in 4×6 size.


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