overpotting root rot on Orchid
Quick answer
If your Orchid has overpotting root rot, the most likely cause is: Overpotting creates excess moisture around orchid roots, leading to root rot and fungal infection. Orchids prefer snug pots where roots are slightly constrained.
Start here:
- 1. 1. Choose pot size based on root mass, not overall plant size
- 2. 2. Place rhizome on drainage layer, then add compost around roots
Why Orchid gets overpotting root rot
Phalaenopsis spp.
Overpotting creates excess moisture around orchid roots, leading to root rot and fungal infection. Orchids prefer snug pots where roots are slightly constrained.
How to reverse overpotting root rot on Orchid
- 1
1. Choose pot size based on root mass, not overall plant size
- 2
2. Place rhizome on drainage layer, then add compost around roots
- 3
3. Form a small mound of compost when potting to support root structure
- 4
4. Crown must be level with pot rim; aerial roots left outside pot
- 5
5. For epiphytic orchids: slatted wood baskets or raft mounting work better than pots
- 6
6. Wait 1 week after potting before first watering; water sparingly for 2 weeks after
Keep overpotting root rot off this Orchid
Keep orchids in smallest possible pots. Repot only when roots are visibly constricted or after flowering.