Overwintering Sarracenia in Small Pots and Shipping Mexican Pinguicula Bare-Root Internationally

A Zone 6 grower successfully dividing Sarracenia wants to downsize from 14-inch pots to 1–2.5 gallon containers for winter, using mulch. They also ask about bare-root shipping of Mexican Pinguicula internationally (wrapped in live sphagnum and cling film) and permit requirements.

Sarracenia Pot Size for Winter

• Minimum space: 1 inch from rhizome to pot rim.
• Larger pots are better for winter: More soil volume buffers temperature swings.
• 1–2.5 gallon pots work if they provide that 1-inch clearance. Mulch helps.
• Root room: Adequate for most species, including large, flowering plants.

Bare-Root Shipping of Mexican Pinguicula

• Core principle: Keep roots moist and plant immobilized during transit.
• Sphagnum + cling wrap method (as described) is effective for domestic shipping.
• International permits: Vary by country. Most require phytosanitary certificates (including Canada). Check the destination country's Dept. of Agriculture.
• US export rules: No CITES permit needed for Pinguicula (not threatened), but customs declaration required. Private export permits may apply—research USDA APHIS regulations.
• Carrier restrictions: USPS does not ship plants to the EU. Verify carrier policies.

International plant shipping is complex—hence many nurseries avoid it. Thorough research is essential.