Philodendron White Knight shows bold white and green marbling on dark leaves with elegant chocolate petioles. This UK‑focused guide covers light, watering, soil, humidity, feeding, training, repotting, pests and propagation.
At a glance
- Light: Bright, indirect
- Water: When top 2–4cm is dry
- Humidity: 55–70%
- Temp: 18–27°C
- Soil: Airy aroid mix
Light
East window or filtered south light is ideal. Add a 20–40W LED in winter to preserve variegation.
Watering
Water thoroughly, then allow the top layer to dry. Reduce frequency in winter. Use drainage.
Soil mix
- 40% peat‑free compost/coco
- 30% bark
- 20% perlite
- 10% pumice/charcoal
Training & support
Provide a slim moss/coir pole to encourage larger leaves and tighter internodes.
Pests & problems
Watch for thrips, mites and mealybugs. Treat weekly with insecticidal soap for 2–3 weeks and improve airflow.
Propagation
- Take a node cutting with an aerial root.
- Root in water or sphagnum at 22–26°C.
- Pot into airy mix when roots reach 5–8cm.
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