Grieb Optimal Winecrafting dba Treveri Cellars
15
acres
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crops grown
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certifications
About Grieb Optimal Winecrafting dba Treveri Cellars
Grieb Optimal Winecrafting dba Treveri Cellars is a certified organic farm located in Yakima, Washington (Yakima County). The operation focuses on Grapes.
Grieb Optimal Winecrafting dba Treveri Cellars is committed to certified organic farming practices, prioritizing biological soil health and sustainable agriculture in Washington. Organic certification ensures the farm meets strict USDA standards for avoiding synthetic pesticides and fertilizers, instead relying on biological inputs, cover cropping, and regenerative practices that build long-term soil fertility.
This farm holds the following certifications: USDA Certified Organic, Certified by Washington State Department of Agriculture. Certificate data is sourced directly from the USDA National Organic Program registry. View USDA Certificate
Crops Grown at Grieb Optimal Winecrafting dba Treveri Cellars
Each crop links to biological fertilizer guides and state-specific growing data.
Biological Programs for Grapes Growers
Shop allProducts Used by Washington Organic Farmers — matched to Grapes production. Ships direct from AgConcepts to your farm.
Enhance
FoliarFoliar fertilizer that delivers phosphate and essential nutrients directly through the leaf — applied during vegetative-to-reproductive transition for maximum crop response.
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ProMax
BiologicalOMRI-Listed organic soil fungicide and nematicide powered by thyme oil — zero REI, zero PHI, proven for potatoes, vegetables, and all row crops.
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Certified Organic Farming in Washington
Washington is home to 35,800 farm operations, a growing number of which hold USDA Organic certification. Organic farms in Washington primarily produce Apples, Wheat, Potatoes, and similar crops using biological soil programs that build long-term sustainability.
Biological inputs — including humic acids, beneficial enzymes, and mycorrhizal fungi — are a cornerstone of certified organic production across Washington, replacing synthetic fertilizers while improving soil structure and crop resilience.
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Shop Biological Inputs
Biological inputs for Grapes farms — humic acids, enzymes, and beneficial biology.
Shop All Products →Request Bulk QuoteAbout This Listing
This listing is sourced from the USDA National Organic Program (NOP) certified operations registry. Listed on February 22, 2026.
View USDA Certificate →