An epiphytic (sometimes lithophytic) orchid from New South Wales to Queensland, Dendrobium tetragonum is a species that grows in forested areas along the coast as well as inland.
Commonly called the Tree Spider Orchid, this is an orchid that prefers warm shaded areas with good airflow.
Cultivation and Care
As a guide the following requirements are worth aiming for.
- Light – Around 60% shade Cloth or medium filtered light. More shade may be required in areas with hot summers.
- Humidity – Aim for around 75% humidity, however with good air flow.
- Temperature Range – A daytime temperature of round 25 C in summer with a nighttime drop to around 18C. In winter around 10 C lower.
- Growing Medium – Although this is an epiphytic orchid it will grow well in pots and orchid baskets. Mounting on hardwood is preferred.In containers a medium pine bark with a little sphagnum moss works well. Drainage is important in order to prevent fungal problems.
- Watering – Good moisture for most of the year always allowing the growing medium to dry a little between waterings, however never completely dry.