Calvert's Gift Farm
17
acres
14
crops grown
2
certifications
About Calvert's Gift Farm
Calvert's Gift Farm is a certified organic farm located in Sparks, Maryland (All County). The operation focuses on Tomatoes, Potatoes and Strawberries, and 9 more crops.
Calvert's Gift Farm is committed to certified organic farming practices, prioritizing biological soil health and sustainable agriculture in Maryland. 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 Maryland Department of Agriculture. Certificate data is sourced directly from the USDA National Organic Program registry. View USDA Certificate
Crops Grown at Calvert's Gift Farm
Each crop links to biological fertilizer guides and state-specific growing data.
Biological Programs for Tomatoes Growers
Shop allProducts Used by Maryland Organic Farmers — matched to Tomatoes 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 Maryland
Maryland is home to 12,000 farm operations, a growing number of which hold USDA Organic certification. Organic farms in Maryland primarily produce Soybeans, Corn, Wheat, 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 Maryland, replacing synthetic fertilizers while improving soil structure and crop resilience.
More Farms in All County
Certifications
Crops Grown
Shop Biological Inputs
Biological inputs for Tomatoes 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 →