From Sea to Soil: Neptune’s Harvest Joins the American Autoflower Cup 2026 in Los Angeles

Walk the garden and you’ll see the subtle signature of excellence - glowing leaves, tight nodes, resin-coated tips catching the light. What you don’t always see is the root of the story: the living soil, the active microbes, and the balanced nutrients that let genetics perform.

That’s where Neptune’s Harvest comes in. Rooted in Gloucester, Massachusetts, they harvest North Atlantic fish and seaweed, cold-process them into fully bio-available fertilizers, and create formulas that feed more than plants - they feed culture. 

For autoflower cultivators, this kind of foundational nutrition is just as critical as genetics. Autos are fast. They demand precision - less room for waste, less time to let the plant catch up. You need a system that supports speed and depth. Neptune’s Harvest delivers that with its cold–processed hydrolyzed fish fertilizer and pure Ascophyllum nodosum seaweed feed.

Imagine feeding a strain that’s bred for high terpene expression, rapid finish, and extraction-ready resin - and then giving it a nutrient base that was built for longevity and subtlety. The result: a flower that doesn’t just finish fast, it finishes with character. That’s the kind of environment in which autos change the game. Partnering with Neptune’s Harvest is more than a sponsorship. It’s a statement: autos are grown for precision, cultivated with finesse, and optimized for expression.

If you’re part of the California cannabis community, this is your invitation. Come celebrate the evolution of autos, connect with like-minded cultivators, and see what’s next for the future of sustainable cannabis.

Want to compete? The 2026 categories are:

• Best Autoflower Breeder - Community vote
• Highest THC - Lab tested
• Best Hash
• Best Terps
• Best Smoke
• Best Overall

The registration is open on our website and you can get your tickets on Eventbrite.

See you around!