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The Story of Glass Gem Corn: Beauty, History, and Hope

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If you’ve spent any time online recently, you might have noticed a striking photo making its rounds. Feast your eyes on Glass Gem corn: a stunning, multi-colored heirloom that has taken Facebook and the blogosphere by storm. With its opalescent kernels glimmering like rare jewels, it’s easy to see what the buzz is about. This is some truly mind-blowing maize.

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For the staff here at Native Seeds/SEARCH, the viral explosion of interest in Glass Gem has been thrilling—but not surprising. As the proud stewards of this variety (along with the bioregional seed company, Seeds Trust) we are lucky enough to have grown and admired this extraordinary corn ourselves. Rest assured, this is no Photoshop sham. It is truly as stunning held in your your hand as it is on your computer screen. When you peel back the husk from a freshly harvested ear to reveal the rainbow of colors inside, it’s like unwrapping a magical present. And this is a gift that is meant to be shared far and wide.

Like many heirloom treasures, Glass Gem corn has a name, a place, and a story. Its origin traces back to Carl Barnes, a part-Cherokee farmer living in Oklahoma. Barnes had an uncanny knack for corn breeding. More specifically, he excelled at selecting and saving seed from those cobs that exhibited vivid, translucent colors. Exactly how long Barnes worked on Glass Gem—how many successive seasons he carefully chose, saved, and replanted these special seeds—is unknown. But after many years, his painstaking efforts created a wondrous corn cultivar that has now captivated thousands of people around the world.

Approaching old age, Barnes bestowed his precious seed collection to Greg Schoen, his corn-breeding protégé. The weighty responsibility of protecting these seeds was not lost on Schoen. While in the process of moving in 2010, he sought out a place to store a sampling of the collection to ensure its safekeeping. Schoen passed on several unique corn varieties to fellow seedsman Bill McDorman, who is a former Executive Director of Native Seeds/SEARCH. Curious about the oddly named Glass Gems, he planted a handful of seeds in his garden. The spectacular plants that emerged took him by surprise. “I was blown away,” McDorman recalls. “No one had ever seen corn like this before.”

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The story of Barnes, Schoen, and their remarkable corn is not unusual. For millennia, people have elegantly interacted with the plants that sustain them through careful selection and seed saving. This process, repeated year after year, changes and adapts the plants to take on any number of desirable characteristics, from enhanced color and flavor to disease resistance and hardiness.

The bounty of genetic diversity our ancestral farmers and gardeners created in this way was shared and handed down across generations. But under today’s industrial agricultural paradigm of monocropping, GMOs, and hybrid seeds, this incredible diversity has been narrowed to a shred of its former abundance. A 1983 study compared the seed varieties found in the USDA seed bank at the time with those available in commercial seed catalogs in 1903. The results were striking. Of the 408 different tomato varieties on the market at the turn of the century, less than 80 were present in the USDA collection. Similarly, lettuces that once flourished with 497 heirloom varieties were only represented by 36 varieties. The same held true for most other veggies including sweet corn, of which only a dozen cultivars were preserved out of 307 unique varieties once available in the catalogs. Though this data leaves some questions around actual diversity decline, the trend toward dwindling crop diversity is alarming. In just a few generations, both the time-honored knowledge of seed saving and many irreplaceable seeds are in danger of disappearing.

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Though much of this diversity may be gone, all hope is not lost. The emergence of a breathtaking heirloom variety like Glass Gem reveals that the art and magic of seed saving lives on. It reminds us that we can return to this age-old practice and restore beauty, wonder, and abundance to our world. Indeed, this renaissance is already underway. The rising seed library movement is encouraging local gardeners to become crop breeders and empowering communities to reclaim sovereignty over their food. Our pioneering Seed School program at Native Seeds/SEARCH is training people from all walks of life in building sustainable local seed systems rooted in ancient traditions. And as eye-popping images of Glass Gem continue to spread around the world, Carl Barnes’ kaleidoscopic corn has become a beacon—and perhaps an inspiring symbol—for the global seed-saving revival.

To Purchase Glass Gem Seed:

Many people have contacted us looking to obtain Glass Gem seed. Demand has been very high for this rare variety. As such, our supplies are limited and vary according to the season. Check the Glass Gem listing on our website for current availability. For those that have asked about its edibility, Glass Gem is a flint corn used for making flour or as a popping corn. Unlike sweet corn, it is not typically eaten right off the cob. However, it was likely bred as an ornamental variety—for obvious reasons. Many of these exquisite ears are simply too beautiful to eat.

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We encourage everyone who grows Glass Gem corn to rejoin the ritual of seed saving by setting aside your favorite selections for replanting the following year. Share seed with your friends and neighbors, organize a seed swap, or start a seed library in your community. Support Native Seeds/SEARCH in our work to conserve and protect Glass Gem corn along with the nearly 2,000 rare, aridlands-adapted crop varieties we steward in our seed bank. Your efforts and energy make a difference. As Carl Barnes has taught us, all it takes is one person to create a more colorful, diverse and abundant world—one seed at a time.



Securing the Future of Food

Securing the Future of Food

Crop diversity is key to achieving sustainable food security both globally and within our own region of focus, the southwestern U.S. and northwestern Mexico. Our approach to food security focuses on seed security, which relies on the conservation and sharing of appropriate crop diversity and the knowledge to use that diversity effectively. Our programs are designed to address these goals and broadly entail:

  • Seed banking to ensure the survival of unique agricultural biodiversity and to document its traits.
  • Seed distribution so that these crops continue to contribute to the region's food systems.
  • Support for on-farm maintenance of dynamically-evolving crop varieties.
  • Research into low-input and climate-appropriate agricultural practices.
  • Education in managing local crop diversity and contributing to regional efforts.
Learn More About Our Approach
Many Ways to Get Connected with Seeds

Many Ways to Get Seeds

Agricultural biodiversity is most valuable when it is actively used to strengthen local food and farming systems. With this in mind, Native Seeds/SEARCH strives to provide affordable public access to seeds of regionally-appropriate crop varieties. We have programs designed to meet the needs of many types of individuals and organizations.

    • ADAPTS: An online platform for exploring the contents of the NS/S seed bank collection. If you want to conduct a detailed search for appropriate crop varieties, start here. Otherwise, you may explore currently available seed varieties through our online store.
    • Native American Free Seed Program: Provides a limited number of seed packets at zero or reduced cost to Native American individuals.
    • Seed Library: If you are in Tucson, Arizona, we encourage you to visit our seed library.
    • Retail Sales: If you are looking for seeds for personal use and are ineligible for seeds through our other programs, you may purchase seeds online or at our retail store in Tucson, Arizona. Some varieties are in limited supply and are restricted to NS/S members and Free Seed recipients.
    • ADAPTS: An online platform for exploring the contents of the NS/S seed bank collection. If you want to conduct a detailed search for appropriate crop varieties, start here. Otherwise, you may explore currently available seed varieties through our online store.
    • Native American Free Seed Program: Provides a limited number of seed packets at zero or reduced cost to Native American individuals.
    • Bulk Seed Exchange: Makes bulk seed quantities available to farmers in exchange for a return of seeds after a successful harvest.
    • Retail Sales: If you are looking for seeds for personal use and are ineligible for seeds through our other programs, you may purchase seeds online or at our retail store in Tucson, Arizona. Some varieties are in limited supply and are restricted to NS/S members and Free Seed recipients.
    • ADAPTS: An online platform for exploring the contents of the NS/S seed bank collection. If you want to conduct a detailed search for appropriate crop varieties, start here. Otherwise, you may explore currently available seed varieties through our online store.
    • Community Seed Grants: Free seeds for organizations (including schools) that are working to promote nutrition, food security, education, agricultural sustainability, and/or community resilience.
    • Retail Sales: If you are looking for seeds for personal use and are ineligible for seeds through our other programs, you may purchase seeds online or at our retail store in Tucson, Arizona. Some varieties are in limited supply and are restricted to NS/S members and Free Seed recipients.
    • ADAPTS: An online platform for exploring the contents of the NS/S seed bank collection. If you want to conduct a detailed search for appropriate crop varieties, start here. Otherwise, you may explore currently available seed varieties through our online store.
    • Researchers: If you are a researcher interested in incorporating material from our collection into your research, please contact us. We are committed to continued open public accessibility of crop diversity and will not make seeds available for research purposes that are contrary to that goal.
Learn More about How to Obtain Seeds
Many Ways to Get Educated

Many Ways to Get Educated

At Native Seeds/SEARCH, we believe that education is an important key to building individual and community capacity for seed and food security. Our education offerings are intended to provide skills and knowledge around seed saving, aridlands agriculture, and related topics.

  • Courses and Workshops: Our instructional programming trains individuals and organizations in the Southwest to save, share, and produce their own seeds. We offer focused courses for students at different learning levels and seed saving goals.
  • Native Seeds/SEARCH Blog: Our blog is frequently updated with stories and practical advice related to the work that we do and the issues that we care about.
  • The Seedhead News: Our tri-annual newsletter also contains a wealth of useful information to help you get the most out of your seeds and to understand their cultural and historical contexts.
  • Our website also contains pages about Gardening in the Desert and Seed Saving.
Learn More About Our Education Programs

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