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Conservatory Greenhouse

Dendrobium fimbriatum

fringe-lipped dendrobium

A large-sized, decidous, orchid with narrow, often pendulous stems up to 120cm long. Lance-shaped leaves 8-15cm long are arranged along the nodes of the stem. Pendant flowering stems emerge from the upper nodes of leafless stems and carry six to fifteen, 4-7cm large, yellow flowers. The flowers have thin, crystal-like texture. The lip is rounded, often with a round, dark brown spot in the centre. The edge of the lip is densely frilled, which gives the plant its common name.

Synonyms

Dendrobium fimbriatum var. oculatum

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Ultimate height

1–1.5 metres

Time to ultimate height

5–10 years

Ultimate spread

0.5–1 metres

Moisture

Well–drained

pH

Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun
Partial shade

Aspect

East–facing or South–facing or West–facing

Exposure

Sheltered

Hardiness
Hardiness ratings
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
H1a: under glass all year (>15C)
H1b: can be grown outside in the summer (10 - 15)
H1c: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20)

H1B

Botanical details

Family: Orchidaceae
Native to the UK: No
Foliage: Evergreen or Semi evergreen
Habit: Clump forming, Pendulous weeping, Columnar upright
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: Himalaya to China & Indo-China

How to grow

Cultivation

Plants are best grown in a basket, 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 best to stake each cane to keep the upright form when potted. If grown in a basket, the plant will develop more pendulous form. It is a cool to warm-growing orchid with average temperatures between 12-25°C. Provide bright light (avoiding direct mid-day sun) and higher humidity by misting regularly in spring and summer. In autumn, reduce watering and feeding until warmer temperatures initiate flowering and new growth in spring. 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.

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