Growing Gardenias Indoors Under Artificial Lights

A husband wanted to gift a gardenia for Christmas but needed guidance on grow light type (HID, metal halide, fluorescent, incandescent).

Recommended Setup

Fluorescent is practical and effective:

• Use 2–4 tubes (e.g., two 2-tube fixtures side by side).
• Keep 6–12 inches above plant top.
• Mix cool white + warm white tubes in each fixture.
• Monitor closely for pests (indoor gardenias attract them).

Alternative Resources

University extension and horticulture sites offer detailed guides on light intensity, duration, and spectrum for gardenias.

With adequate light and vigilance, indoor gardenias can thrive and bloom.