Jackson's 'Dente' flytrap grows well outdoors in full sun with distilled water, but 8–10 new leaves blacken at the edges before traps fully open. He suspects root fungus.
Hot, dry, breezy conditions can cause this. Check for spider mites with a magnifier—common in dry climates. Watering method matters: flytraps prefer moist soil, not deep standing water. A shallow dish is better than a deep container.
Include the growing area. Visual diagnosis allows much better recommendations.
Good Growing!
Jeff Dallas
Sarracenia Northwest
www.cobraplant.com
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