Step-by-Step Phalaenopsis Repotting for Root Rot Recovery

Repotting a Sentimental Phalaenopsis with Rotted Roots

A 17-month-old Phalaenopsis (engagement gift) hasn't rebloomed. It has 4 healthy leaves, new roots, but lost bottom leaves. Several roots are brown and mushy; mix stays wet. The plant sits 3 feet from a south sliding door with an overhang.

Repotting Procedure

1. Buy orchid potting mix (medium/large bark with perlite or sponge rock).
2. Reuse current pot if enough live roots; otherwise downsize. Wash pot.
3. Remove plant, clean off old mix. Cut all mushy roots (firm = alive).
4. Place 1 inch mix in pot, center plant with lowest leaf just below rim. Fill around roots, gently firming.
5. Water, then place in warm shade for 3 weeks. Water only when mix is nearly dry. Mist mornings for humidity.
6. After 3 weeks, move to bright indirect light (60–85°F, >50% humidity, air movement). Water when barely moist. Feed weakly weekly with balanced fertilizer.

Rebloom likely next winter/spring. New leaves should match or exceed old size; if not, repotting and feeding will help.