SITCSection 2
U.S. imports of live plants, cuttings & slips (nes); mushroom spawn (SITC 29269) totaled $108.2M in April 2026, traded with 49 countries.
Importers of Live Plants, Cuttings & Slips (NES); Mushroom Spawn paid $2.1M in duties in April 2026 — an effective duty rate of 12% on $16.8M in dutiable value, based on actual customs collections rather than the published tariff schedule. Live Plants, Cuttings & Slips (NES); Mushroom Spawn imports of $108.2M in April 2026 ran 31% above the year-to-date monthly average of $82.4M.
Last updated: April 2026 dataUnrooted cuttings, rooted slips, and live plants not captured by more specific SITC headings — along with mushroom spawn (inoculated substrate used to propagate edible or commercial fungi) — share this residual classification. USDA APHIS regulates all live plant material at the border, and many genera require an import permit in addition to a phytosanitary certificate from the exporting country. Mushroom spawn presents a distinct biological profile from ornamental cuttings and may be subject to separate admissibility determinations based on the fungal species involved. Admissibility and classification are complex; consult a licensed customs broker or USDA APHIS before importing.
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Not necessarily. Mushroom spawn — inoculated grain or substrate carrying fungal mycelium — is evaluated by APHIS under different biological risk criteria than vascular plant cuttings. Importers should contact APHIS Plant Protection and Quarantine to determine whether a specific spawn product requires a permit, and whether the fungal species is subject to any quarantine restrictions.
Cuttings and slips are vegetative propagules — sections of stem, leaf, or root taken for rooting — while finished live plants have an established root system. Both fall under this heading when not covered by a more specific SITC code, but the distinction can matter for phytosanitary treatment requirements and for certain HTS tariff lines at the 10-digit level.
| Country | Imports | Exports | Balance |
|---|---|---|---|
| CANADA | $90.7M | $43.6M | -$47.1M |
| TAIWAN | $3.5M | $10K | -$3.5M |
| MEXICO | $334K | $3.1M | +$2.7M |
| CHINA | $2.4M | $59K | -$2.4M |
| COSTA RICA | $2.0M | $6K | -$2.0M |
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Monthly import values over time