Troubleshooting
White Spider Orchid problems — and how to fix them
White Spider Orchid (Caladenia longicauda) is generally forgiving once you match its basics, but a few issues come up again and again. Here is what each one looks like, why it happens, and the fix.
Tuber rot in dormancy
The number-one killer in cultivation; any soil moisture in summer will rot the tuber within weeks. Lift tubers and store dry or ensure the container is moved to a completely dry location.
Failure to flower
Plants may produce a leaf but fail to flower without the correct chilling or drought cues. Ensure a pronounced dry dormancy followed by autumn watering to trigger the growth cycle.
Fungal stem rot
Can affect the base of the leaf in humid conditions. Improve air circulation and ensure water is applied to the soil only, not the foliage.
Caterpillar damage
Moth and butterfly larvae occasionally consume the leaf. Inspect regularly and remove by hand or treat with a BT-based biological pesticide.
Prevent white spider orchid problems before they start
Most white spider orchid issues are care-mismatch, not bad luck. Dial in the basics:
White Spider Orchid problems — FAQ
Why is my white spider orchid tuber rot in dormancy?
The number-one killer in cultivation; any soil moisture in summer will rot the tuber within weeks. Lift tubers and store dry or ensure the container is moved to a completely dry location.
Why is my white spider orchid failure to flower?
Plants may produce a leaf but fail to flower without the correct chilling or drought cues. Ensure a pronounced dry dormancy followed by autumn watering to trigger the growth cycle.
Why is my white spider orchid fungal stem rot?
Can affect the base of the leaf in humid conditions. Improve air circulation and ensure water is applied to the soil only, not the foliage.
Why is my white spider orchid caterpillar damage?
Moth and butterfly larvae occasionally consume the leaf. Inspect regularly and remove by hand or treat with a BT-based biological pesticide.