Trouble Shooting
• Overall orange colour, orange or yellow edges of leaves
This is a symptom of stress, and may be caused by a lack of nutrients or water. Plants in pots are more susceptible to these types of problems. To cure - follow feeding & watering regime above. You can also trim the roots, freshen up your potting mix and re-pot every few years.
• Black sooty mold
This is a symptom of scale – a limpet like sap sucking insect. Spray per directions with a systemic insecticide like Orthene or Confidor.