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Plant sellers have built a thriving live-auction presence on Palmstreet and Whatnot, often running a parallel Etsy shop for fixed-price listings and rare cuttings. NOSA verifies that full cross-platform presence once, giving buyers a single, trustworthy identity to check instead of three disconnected platform histories. That matters in a category where plant health, accurate sizing, and careful shipping determine whether a buyer actually gets what they paid for. As more plant and garden sellers join the verified directory, it becomes easier for buyers to follow sellers they trust across every platform where those sellers are active.