Dendrobium quadriferum

Also known as: The Square Dendrobium or Amblyanthe quadrifera in the subfamily: Epidendroideae

General Information

The Square Dendrobium is a sympodial orchid belonging to the sub family Epidendroideae.

Plant Description

Sympodial. Grows to 64cm. Each new growth has numerous elliptic lance shaped leaves that grow to 13-18cm long. Pseudobulbs grow to 64cm

Flowers

Numerous self pollinating blossoms appear

Substrate(s)

• Coarse

Climate

Grows at low to high elevations. Rainfall ranges from 61mm to 178mm per day, heaviest in September and lightest in November. Humidity ranges from 74% to 82%, highest in January and lowest in June. Temperature ranges from 16C to 29C, highest in May (19C to 29C) and lowest in January (16C to 27C).

Watering

These orchids are sensitive to excessive watering and should only be watered when they look thirsty. Water infrequently and ensure that the roots are dry before watering. Keep an eye on them especially during hot weather as overwatering can lead to rot, whereas underwatering may result in wilting or shriveling, which while unattractive, will not kill the plant.

Fertiliser

Apply liquid based fertiliser per recommended directions. They can benefit from a high phosphate fertiliser leading up to flowering season, followed by a high nitrogen fertiliser when new growth appears, and a balanced fertiliser in other times. These orchids can also tolerate slow release fertiliser applied 1-2 pellets per cup (250ml) of media.

Use balanced fertiliser year round. Apply fertiliser regularly at half strength year round. Reduce fertiliser when plant is dormant during Spring.

Potting

Repotting is best done in a pot the same size or only slightly larger than the previous one.