Outdoor Gardenias in Florida: Humidity and Acid Soil

Why Gardenias Turn Brown and Drop Leaves in SE Florida

A gardener in SE Florida has year-old gardenias with browning, falling leaves.

Key Requirements

• High humidity – gardenias love moist air.
• Acidic soil (pH 5.0) – essential for nutrient uptake.
• Consistent moisture – never let soil dry out completely.

This is an outdoor gardening question; for detailed fertilizer and pest management, consult a local extension service.