Managing Phalaenopsis Keikis: When to Separate and How to Encourage Blooming

Phalaenopsis orchids often produce keikis—baby plants—on their flower spikes. Knowing when to remove a keiki and how to care for both the mother plant and the offspring ensures continued health and future blooms.

When to Remove a Keiki

Wait until the keiki has developed at least three roots, each 2 inches or longer, before separating it from the mother plant. Removing it too early risks failure. The mother plant will not be significantly drained by the keiki while it has its own leaves and minimal root system. In fact, the mother plant will continue its normal flowering cycle regardless of the keiki's presence.

Feeding the Keiki Without Disturbing the Mother

To nourish the keiki's developing roots, apply a dilute fertilizer solution directly to them. Dip the keiki's roots into a small container of weak fertilizer, taking care not to wet the mother plant's leaf axils, which can invite rot. This targeted feeding supports the keiki without overwatering the parent.

Encouraging the Mother Plant to Rebloom

The mother plant will bloom again on its natural schedule, typically once a year. Removing the keiki does not trigger or prevent flowering. Ensure the plant receives bright, indirect light, a distinct day-night temperature differential (about 10°F cooler at night), and consistent, balanced fertilization to initiate spike formation.

Key Takeaways

• Separate keikis only after they have 3+ roots of 2+ inches.
• Feed keiki roots directly with dilute fertilizer.
• Mother plant blooms on its own cycle; keiki removal doesn't affect it.

Patience and precise care will yield two healthy, blooming plants.