The Emerald Cup stands as the world's premier cannabis competition, drawing cultivators, connoisseurs, and advocates from across the globe to celebrate the art and science of growing exceptional flower. For Living Roots Compost Tea, this event is more than a showcase—it's a gathering of the tribe that understands healthy soil is the foundation of any great harvest. By blending tradition with innovation, the Cup honors the plant while pushing the boundaries of what organic cultivation can achieve.
A Tradition of Excellence
Founded in 2003 by Tim Blake, The Emerald Cup began as a small gathering of farmers in Northern California's famed Emerald Triangle, a region synonymous with world-class cannabis. Over nearly two decades, it has evolved into a massive annual event held at the Sonoma County Fairgrounds in Santa Rosa. What sets it apart is its rigorous judging process: entries are lab-tested for potency, purity, and terpene profiles, then evaluated by panels of expert judges. The competition is open to both sun-grown and indoor flower, but a strong emphasis on sun-grown, organic methods has always been at the heart of the Cup's ethos.
Winners earn the coveted Emerald Cup trophy, a symbol of mastery that growers display with pride. Beyond the competition, the event features educational seminars, live music, art installations, and a bustling marketplace where companies like Living Roots demonstrate how compost tea can enhance soil biology and plant health. The atmosphere is electric with collaboration—farmers sharing tips, researchers presenting findings, and attendees sampling some of the finest cannabis on Earth.
The best cannabis comes from living soil. The Emerald Cup showcases growers who understand that you can't fake a healthy root zone.
What to Expect at the Cup
Walking into The Emerald Cup, you're immediately immersed in a community passionate about quality and sustainability. The main hall buzzes with vendors offering everything from organic nutrients and supplements to vaporizers and hemp clothing. A key feature is the "Humboldt County Growers Pavilion," where small-scale farmers display their craft. Many of these farmers rely on compost teas and other biological inputs to build soil fertility without synthetic chemicals.
The educational stage hosts talks by soil scientists, veteran growers, and industry leaders. Topics range from regenerative agriculture and water conservation to legal compliance and market trends. For Living Roots, this is a critical venue to share research on how aerated compost tea can suppress pathogens, improve nutrient cycling, and boost terpene production. Attendees can attend hands-on workshops on brewing teas at home or on a commercial scale.

Judging and Awards
The competition itself is a rigorous multi-day process. Entries are submitted in categories like sun-grown, mixed-light, and indoor. Each sample is assigned a code to ensure blind judging. Judges evaluate based on appearance, aroma, flavor, and effect, with lab results confirming cannabinoid and terpene content. The top winners are announced in a ceremony that captures the excitement of the industry. In recent years, the Cup has also introduced categories for edibles, concentrates, and topicals.
Why Compost Tea Matters in Cannabis Cultivation
Compost tea is a liquid extract brewed from high-quality compost, aerated to encourage beneficial microorganisms. When applied to soil or foliage, it introduces bacteria, fungi, protozoa, and nematodes that create a resilient soil ecosystem. For cannabis, this translates to stronger roots, better nutrient uptake, and enhanced flavor profiles. Living Roots Compost Tea products are carefully formulated to suit the specific needs of cannabis plants, whether in vegetative growth or flowering stages.
The connection to The Emerald Cup is natural: many winning entries are grown in living soil amended with compost tea. The Cup's emphasis on organic practices encourages growers to move away from synthetic inputs. By attending the Cup, Living Roots aligns with a movement that values not just potent cannabis, but a sustainable future for agriculture. The company offers workshops and samples at their booth, allowing farmers to see the difference a healthy microbial population can make.
Living Roots at The Emerald Cup
Living Roots Compost Tea participates in The Emerald Cup as an exhibitor, educator, and sponsor. Their booth is a hub for growers seeking to improve soil health. Team members demonstrate how to brew tea effectively, answer questions about application rates, and discuss the science behind their formulas. They also partner with local farms to showcase results—side-by-side plants showing the benefits of compost tea versus conventional fertilizers.

The event provides an opportunity to connect with both home gardeners and large-scale commercial cultivators. Living Roots emphasizes that compost tea is accessible to everyone: from a hobbyist with a few plants to a multi-acre farm. They also address common challenges like tea storage, aeration, and strain-specific adjustments. One memorable workshop at the Cup covered the role of mycorrhizal fungi in cannabis root systems, sparking lively discussion among attendees.
The Future of Organic Cannabis
As legalization spreads, the cannabis industry faces pressure to adopt sustainable practices. The Emerald Cup remains a beacon for those committed to organic cultivation. Living Roots Compost Tea sees a growing appetite for education around soil biology. More growers are recognizing that synthetic shortcuts degrade both the plant and the land. Instead, they're turning to regenerative methods that build soil carbon, retain moisture, and produce cleaner medicine.
The Cup's influence extends beyond the event itself: winners often see increased demand, and their techniques are studied by others. Living Roots supports this ripple effect by offering ongoing resources, including brewing guides and a customer support line. They also collaborate with research institutions to further validate the benefits of compost tea in cannabis. In the years ahead, expect The Emerald Cup to continue championing the growers who prioritize soil health as the true source of quality.
Plan Your Visit
If you're planning to attend a future Emerald Cup, consider arriving early to take advantage of workshops and networking. The event typically features over 200 vendors, live music across two stages, and a dispensary-style marketplace where attendees can purchase products from exhibitors. Tickets often sell out weeks in advance. For the most current information, check the official Emerald Cup website. And while you're there, stop by the Living Roots booth to see how compost tea can elevate your next grow.
Living Roots Compost Tea also participates in other key events throughout the year, including upcoming events like the NC State's 18th Annual Vermiculture Conference and the Tennessee Local Food Summit. Each gathering reinforces the message that healthy soil grows healthier plants—and a healthier world.