Green Growths on Orchid Air Roots: Normal Root Branching

Identification

Green tips on air roots are new root growth—either elongation or side branches (collaterals). Covered later by white velamen.

Leave them; they strengthen the plant.

Orchids: Planting Agave Around a Boulder: Root Pruning and Site Selection; Encouraging Root Growth on a Vanda Orchid; Orchids Cannot Be Rooted from Cuttings in Water; Repotting Phalaenopsis with Long Aerial Roots; Root or Flower Spike? How to Tell the Difference; Orchid with No Roots Left: The Long-Game Rescue in a Humidity Bag; Phalaenopsis Air Roots and Yellowing Spike: Repotting Guide; Repotting Phalaenopsis: Handling Aerial Roots, Dead Roots, and Pot Size; Thuja Green Giant Root System: Depth, Spread & Landscape Considerations; Root Systems: The Hidden Engine of Plant Health

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