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Pinguicula grandiflora Stuck in Dormancy in Florida: Needs Cold

P. grandiflora resting bud

P. grandiflora resting bud

Bought last spring, grew/flowered well, dormant June/July, hasn't emerged. Kept drier per guide. In Florida—kept indoors over winter.

Problem: Missing Cold Cue

P. grandiflora is temperate (Europe, mountains). Needs cold winter (snow cover normal). Florida winter indoors = no dormancy cue. Mexican butterworts are totally different.

Rescue Attempt

  1. Spray with sulfur fungicide.
  2. Pot in plastic bag → refrigerator 1 month.
  3. Remove, watch for growth.
  4. Or wait—may break naturally.

Long-term: keep outdoors in shade during Florida winter. P. vulgaris needs actual freezing. Temperate butterworts are rare in trade because warm-climate dormancy is hard.

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