Chestnuts occupy a specialized niche in the US nut import market, with fresh product arriving seasonally in autumn and dried or peeled forms traded year-round for confectionery, flour milling, and food-service use. USDA APHIS phytosanitary requirements are particularly stringent for fresh chestnuts because of chestnut blight and other quarantine pests, and import permits or treatment may be required depending on origin. Shelled and peeled dried chestnuts face fewer phytosanitary hurdles but remain subject to FDA entry review for mold and moisture compliance. Buyers sourcing for specialty retail or European-style confectionery should confirm variety (e.g., marron versus standard chestnut) with suppliers, as this affects both pricing and end-use suitability.

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