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Resource Directory

Find everything you need to help your farm grow

The newly expanded Marbleseed Organic Resource Directory now includes buyers, suppliers, and certification agencies, as well as educational resources such as fact sheets, workbooks, guidebooks, and more.

Want to see your business or resource listed in the Marbleseed Organic Resource Directory? We review all submissions to ensure products, services, and educational resources are appropriate for inclusion in the directory. To submit your business or resource for consideration, please use the forms below.

If you would like to order large quantities of the Organic Resource Directory or Guidebooks, please email info@marbleseed.org, or call 888-906-6737 to place your order.

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Fruits

A Grower's Guide to Organic Apples

Farming Systems : Organic, Fruits and Specialty Crops : Fruits, Production : Pests
Online organic resource for growing apples from Cornell University. Although these guides were written primarily for New York growers, the recommendations are applicable to growers in other humid regions.

Organic Currant and Gooseberry Production
Oct 2023 by Chris McGuire

“All in all, currants and gooseberries are healthful, delicious fruits which can thrive on organic farms in our region. Currants are particularly easy to grow, high-yielding plants; gooseberries can…

Perennial Farm Ecosystem Conference

Sep 08, 9:00 AM - 4:00 PM CT
Sutton Bay, MI | $

Learn about systems to improve soil and plant health, fruit quality, and overall profitability of your orchard or vineyard.

PFI Field Day: Agritourism with an Ecological Slant

Jul 14 | Adel, IA | Free
Topics include: certified organic and “convention light” apple production, IPM practices, on-farm apple processing facility, sorghum sudan grass maze, organic peach production, diverse agritourism…

Organic Apples 101
2023 by Rachel Henderson, Tom Rosenfeld

Want to grow organic apples? This session will address both the
business of apples and the basics of growing certified organic apples
in the Midwest. Topics include choosing your market, site…

Introduction to Growing Pears
2023 by David Sliwa

Pears can be among the choicest of tree fruits when grown to perfection. Growing a really good pear starts with selecting among the best of the old and new varieties; training and pruning these…

MOFFA Organic Intensives

Jan 07, 8:00 AM ET
East Lansing, MI | $

This is a day long event and the topics and presenters are:
• Keeping Outside the Box: A Comprehensive Understanding of Sustainable Beekeeping in Today’s Declining Environment – Jessica & Keith…

Gitigaaning Farm & Manoomin Tour

Aug 20, 9:00 AM - 3:30 PM CT
Cloquet, MN | Free

Join us for a tour of two incredible agricultural sites of the Fond du Lac Band of Lake Superior Chippewa! Visit Perch Lake to learn about manoomin (wild rice) and the importance of treaties in tribal…

Remembering holistic orchard specialist, Michael Phillips
May 2022 by Rachel Henderson

Michael Phillips died unexpectedly at his home orchard in Northumberland, New Hampshire, on Sunday, February 27. Michael owned and operated Lost Nation Orchard and Heartsong Farm with his wife…

Ask a Specialist - How can I improve fertility in my organic fruit trees?
May 2022 by Rachel Henderson

The fertility needs of perennial fruit crops are very different from those of annual vegetable or row crops. Trees and shrubs must be managed for both long-term soil fertility AND yearly nutrient…

Organic Tree Fruit Certification

Fruits and Specialty Crops : Fruits, Farm Business : Certification
Factsheet: Organic orchard production and certification

Fire Blight Control Program in Organic Fruit

Production : Diseases, Fruits and Specialty Crops : Fruits
This 28-page report from The Organic Center provides the latest information on controlling fire blight in organic fruit production without the use of antibiotics.

Minnesota High Tunnel Production Manual for Commercial Growers

Production : Fertility, Fruits and Specialty Crops : Fruits, Vegetables
Published in 2010 and updated in 2012. University of Minnesota Extension

Resources For Organic Orchard

Farming Systems : Organic, Fruits and Specialty Crops : Fruits
Factsheet: List of resources for organic orchardists

Grow Organic Apples/Holistic Orchard Network

Fruits and Specialty Crops : Fruits
Based in New England, where the climate creates very similar pest and disease concerns as the Midwest. Great source of information, takes a holistic approach to fruit production.

University of WI Fruit Program

Fruits and Specialty Crops : Fruits, Fruits and Specialty Crops : Fruits
Not exclusively organic, but actively maintains links to research, along with good information on growing fruit

Insect Search Tool Online

Production : Pests, Fruits and Specialty Crops : Fruits
A search engine for tree fruit diseases, insect and mite pests, and beneficials.

Organic Fruit Growers Association

Fruits and Specialty Crops : Fruits, Fruits and Specialty Crops : Fruits
Based in the upper midwest, this organization maintains and active listserv of fruit growers, hosts on-farm field days, and connects fruit growers to one another and to research and other resources.

Organic Management of Spotted Wing Drosophila

Production : Pests, Fruits and Specialty Crops : Fruits, Fruits and Specialty Crops : Nuts
Producers battling Spotted Wing Drosophila can find information online about the organic management of this invasive pest.

Michigan State IPM

Production : Pests, Fruits and Specialty Crops : Fruits
Excellent guides for scouting pests and diseases in various fruits