T5 Light Heights for Mixed Orchid Collection

Light Distance by Genus

12 inches above leaves: Cymbidiums, Cattleyas, Oncidiums, Brassia, Dendrobiums (high light)
18 inches above leaves: Paphiopedilums (lower light)

Measure from leaf tops to tubes. Adjust as needed for species variation.

Orchids: Fertilizing Leyland Cypress: Timing and Product Selection; Fertilizing Citrus After Leafminer Infestation: Continue Feeding, Add Fall Oil Spray; When and How to Fertilize Young Seedlings for Strong Growth; Choosing Grow Lights for Seed Starting; African Violet Fertilizing Schedule: Why Half-Strength Weekly Feeding Works Best; High-Output Fluorescent Light Distance: Match Distance to Lumen Output; Fertilizing Clematis: High Phosphorus (10-20-10), Three Times a Year; When to Fertilize Overwintering Fuchsias in a Greenhouse; What Is Bt (Bacillus thuringiensis) and How Does It Control Caterpillars?; Fertilizing Water Lilies: Tablets and Timing

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