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Sarracenia purpurea Dormancy in California: No Fridge Needed

Eric (California) asked how to simulate S. purpurea dormancy in a "tropical climate"—refrigerator?

Natural Dormancy Occurs Outdoors

California is subtropical (Zone 9), not tropical. Frost occurs. Outdoor S. purpurea experiences natural photoperiod shortening, triggering dormancy—temperature alone doesn't drive it. Most sold are S. purpurea venosa (Southern), not the northern subspecies needing extreme cold. Many Hawaiian growers succeed with Sarracenia in near-tropical conditions. No intervention needed.

Carnivorous Plants: Breaking Dormancy in Sarracenia purpurea with Light Cycle Adjustment; Sarracenia purpurea Holes, Leaf Arrangement, and VFT Trap Death After Feeding; Why Sarracenia purpurea Hoods Vary: Normal Variation, Not a Problem; Superthrive for Carnivorous Plants: Safe for All, Best for Nepenthes and Transplants; Young Sarracenia purpurea Leaf Dieback: Normal Dormancy Transition; Sarracenia purpurea Slow Spring Emergence: Wait Until June; Winter Care for Sarracenia purpurea venosa and S. rosea: To Trim or Not?; Sarracenia purpurea ssp. purpurea in Zone 9: Dormancy Adequacy and Large Pot Soil Mix; Most Shade-Tolerant Nepenthes for Indoor Growing; Growth Rates: Sarracenia purpurea, Sundews, and Venus Flytraps

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