Bare-Root Shipping: Soil-Free Plant Standards
What USDA 7 CFR 319.37 requires of soil-free plant material, how hydrodynamic washing removes 100% of substrate, and why nematode inspection depends on it.
International biosecurity laws do not restrict live plants because of the plants themselves; they restrict the soil accompanying them. Soil is an uncontrollable vector for burrowing nematodes (*Radopholus similis*), fungal sclerotia, insect pupae, and foreign agricultural bacteria.
USDA 7 CFR 319.37 Soil-Free Mandate
The United States Department of Agriculture strictly mandates that all imported plants must be completely free of soil, potting mix, bark chunks, sand, or unapproved organic substrate. If a USDA inspector discovers even a small clump of native potting compost adhered to a root ball at an inspection station, the entire consignment can be subjected to immediate mandatory destruction or costly re-export.
The 3-Stage Hydrodynamic Cleansing Process
At our Blitar export preparation facility, every single plant undergoes a rigorous 3-stage washing regimen:
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Export-Grade Cultivars Discussed in This Guide
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