Wrap specimens separately in paper towels or newspaper. Do not put in plastic. Pack with sufficient padding to avoid crushing. Packing Keep plants cool and moist before shipping. Mail as soon as possible after collection.
Mail specimens early in the week to avoid delay in the post office over weekends or holidays.
Pack in a sturdy container to prevent crushing in transit. Use paper to pack the specimen firmly in the container. Identify package with labels both outside and inside. Put the label and the Plant Clinic slip in a waterproof barrier such as plastic. Plant Diagnostic Clinic, Attn.