Plant encyclopedia›Dendrobium antennatum

Dendrobium antennatum

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A large-sized, evergreen, tropical orchid with long, upright, cane-like stems (pseudobulbs), up to 130cm high. Bright green leaves are arranged along the cane nodes, stiff and up to 25cm long. The flowering stems measuring up to 25cm emerge from the upper nodes of mature pseudobulbs and carry 3 to 15 flowers. The flowers are waxy, long lasting approximately 7.5cm across. The sepals are white, petals are narrower, pointing upright and often spirally twisted. The lip is white with purple veined markings.

Scientific classification

Species: Dendrobium antennatum (Dendrobium antennatum)
Genus: Dendrobium
Family: Orchidaceae

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Toxicity: Conservatory Greenhouse
Plant type: 1-1.5 metres
Height: 0.5-1 metres
Spread: Evergreen
Foliage: Columnar upright · Clump forming
Habit: Spring · Summer · Autumn · Winter
Season of interest: Partial shade · Full sun
Sunlight: Information to be completed
Ideal temperature

Dendrobium antennatum pictures

Distribution of Dendrobium antennatum

Distribution map

Australia (Queensland), New Guinea, Bismarck Archipelago, Solomon Islands

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Culture

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Toxicity

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Quick identification of Dendrobium antennatum

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Dendrobium antennatum care guide

Keep potting medium lightly moist, airy, and never stagnant
Watering: Partial shade · Full sun
Sunlight: Information to be completed
Ideal temperature

Watering

Keep potting medium lightly moist, airy, and never stagnant

Fertilizing

Half-strength orchid feed every two to three weeks in active growth

Pruning

No pruning required. Remove spent flowers as necessary, but do not cut the whole cane unless completely shrivelled. Oldest canes may be removed as long as there are at least three, younger, thick, leaf-bearing canes on the plant.

Propagation

Propagation by seed is only possible in controlled laboratory environment. Mature plants may be divided when the plant overgrows the pot. Sideshoots (keiki) may develop on older canes - remove and pot them into sphagnum moss when the new roots are at least 2cm long.

Growing

Plants are best grown in a pot in an epiphytic, medium grade, bark-based potting mix with added perlite, moss, or coir. As with many orchids, they grow best when the roots are slightly restricted. Therefore, avoid over-potting or frequent root disturbance. It is a warm-growing orchid and the temperatures should not drop below 16°C. Provide very bright light conditions and 80% humidity throughout the year. See indoor orchid cultivation

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