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Permaculture Q&A: Michael Judd’s Blueberry Soil Mix

As Permaculture Month continues throughout May, some of our expert authors are answering questions submitted by our readers. Here, Michael Judd reveals his special recipe for blueberry soil mix that imitates the plant’s natural forest edge habitat.

For more do-it-yourself projects to turn your landscape into a luscious and productive edible Eden, check out Judd’s book, Edible Landscaping with a Permaculture Twist.

And, browse these previous posts from the “Permaculture Q&A” series for answers to questions about design patterns, nutrients, invasive grasses, and more:
Permaculture: An Economic Perspective
Eric Toensmeier on Aggressive Grass and Partial Shade
Toby Hemenway on Soil and Natural Patterns
Ben Falk Talks Nutrient Cycling

Danielle from WA asks:
I planted four blueberries bushes last year. They got a lot rain, so I did not water them for a few weeks, but now I see a few of them are brown. These bushes get lots of sun. Any thoughts on how to stop the browning?

MICHAEL JUDD: Hi Danielle, challenges with blueberries generally stem from the soil prep and pH. Blueberries are naturally a forest edge species which means that they like a very rich and loose soil that comes from a leafy compost-like medium. This is usually imitated with peat or sphagnum moss mixed with compost and soil, but I try to avoid pulling material from distant ecosystems, especially sensitive bog areas where peat comes from, and instead create my own blueberry soil mix. My recipe is 50% fine pine bark, 25% compost, and 25% top soil with sulfur pellets mixed in to lower the pH to 4.5-5.5. Mix them well into a generous sized hole before planting the blueberry. Mulch well with a pine bark mulch for the added long term acidity and moisture retention. Blueberries are shallow rooted so keep the mulch on and other plants/weeds away from their base and be mindful to not water with a strong stream that knocks the mulch and soil away exposing the roots.

Though blueberries are generally disease resistant they benefit from good air flow, full sun and spacing. If you make the soil balanced your plants should be healthy.

Hope that helps. Happy fruiting!


Ask the Expert: Andrew Mefferd

Before writing The Greenhouse and Hoophouse Grower’s Handbook: Organic Vegetable Production Using Protected Culture, Andrew Mefferd spent seven years in the research department at Johnny’s Selected Seeds, traveling around the world to consult with researchers and farmers on the best practices in greenhouse growing. Andrew has graciously agreed to offer up his expertise to our […] Read More

Top 10 favorite goat facts (with gifs)

New this month from author Gianaclis Caldwell, Holistic Goat Care is the essential resource on caring for your herd. Goats have provided humankind with essential products for centuries; indeed, they bear the noble distinction of being the first domesticated farm animal. From providing milk and meat for sustenance and fiber and hides for clothing and shelter […] Read More

New French edition of The Resilient Farm and Homestead available

Great news for French-speaking fans of Ben Falk’s The Resilient Farm and Homestead: An Innovative Permaculture and Whole Systems Design Approach. The French language translation is now available from Imagine Un Colibri, from French booksellers, and on Amazon.fr. Falk’s book is a technical manual that details the strategies he and his team have developed for […] Read More

How to Make Biochar

Doing some spring cleaning around your property? By making biochar from brush and other hard-to-compost organic material, you can improve soil—it enhances nutrient availability and also enables soil to retain nutrients longer. This excerpt from The New Farmer’s Almanac, Volume 3, explains how to get started. To make biochar right in your garden, start by […] Read More

Generosity as Activism, and Other Homesteading Principles to Live By

“Like everyone I know, we occasionally find ourselves faced with a decision to which there is no obvious answer,” says Ben Hewitt, coauthor of The Nourishing Homestead. “Do we borrow money to build a bigger barn, or do we keep getting by with what we have? Do we spend our meager savings on trees and […] Read More
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