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Conservatory Greenhouse

Dendrobium victoriae-reginae

Queen Victoria's dendrobium

A medium-sized, epiphytic orchid with long, pendulous, cane-like stems, varying in length from 20cm to 1.2m. Each stem is covered in alternate, papery sheaths, carrying lance-shaped, 6cm long leaves. Short flowering stems carry a cluster of one to three flowers, appearing from the nodes of mature, leafless canes. Each flower is 3-4cm large, pale purple or blue, with white centre.

Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
5–10 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Moisture
Well–drained
pH
Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Pink Purple Green
Summer Pink Purple Green
Autumn Pink Purple Green
Winter Pink Purple Green
Position
  • Full sun
  • Partial shade
Aspect

East–facing or North–facing or South–facing or West–facing

Exposure
Sheltered
Hardiness
H1C
Botanical details
Family
Orchidaceae
Native to the UK
No
Foliage
Semi evergreen
Habit
Columnar upright, Pendulous weeping, Tufted
Genus

Dendrobium are epiphytic and terrestrial orchids with elongated, stem-like pseudobulbs bearing linear to ovate leaves. Racemes or panicles of showy flowers are produced from nodes along the stems mainly in spring

Name status

Correct

Plant range
Philippines

How to grow

Cultivation

Plants are best grown mounted on cork bark or wood if sufficient humidity can be provided. Alternatively, grow in a basket in an epiphytic, medium grade, bark-based potting mix with added perlite, moss, or coir from sustainable sources. As with many orchids, they grow best when the roots are slightly restricted. Therefore, avoid over-potting or frequent root disturbance. Provide bright light and sufficient humidity by misting regularly throughout the growing season. Reduce watering and feeding during the rest period in winter. For a successfull cultivation, the plant requires good air movement, and a significant drop of temperature between day and night time. See indoor orchid cultivation

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.

Suggested planting locations and garden types
  • Houseplants
  • Conservatory and greenhouse
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 enough, younger, thick, leaf-bearing canes on the plant.

Pests

May be susceptible to scale insects, aphids, mealybugs and red spider mite.

Diseases

Generally disease-free.

Get involved

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