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Conservatory Greenhouse

Cymbidium lowianum
  • RHS AGM

Low's boat orchid

A large lithophytic or epiphytic orchid species to 90cm tall, preferring cooler conditions for optimum growth. Ovoid pseudobulbs and linear leaves to 75cm and apple-green flowers with a dark-red edge to the lip are produced on long, arching stems any time from autumn through to late winter or spring

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Size
Ultimate height
0.5–1 metres
Time to ultimate height
2–5 years
Ultimate spread
0.5–1 metres
Growing conditions
Loam
Sand
Moisture
Well–drained
pH
Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Green
Autumn Green Green Red Green
Winter Green Green Red Green
Position
  • Partial shade
Aspect

West–facing or East–facing

Exposure
Sheltered
Hardiness
H1C
Botanical details
Family
Orchidaceae
Native to the UK
No
Foliage
Evergreen
Habit
Clump forming
Potentially harmful
Skin allergen. Wear gloves and other protective equipment when handling
Genus

Cymbidium are epiphytic, lithophytic or terrestrial orchids with prominent spherical to ovoid pseudobulbs, long linear leaves and fleshy white roots. Several long lasting showy flowers with a distinctive 3-lobed lip are borne on erect or arching flower spikes from the bases of the pseudobulbs

Name status

Correct

Plant range
China (S. Yunnan) to N. Indo-China

How to grow

Cultivation

Requires day temperatures around 16°C and 10°C at night. Provide good light levels, but avoid direct sunlight. Pot firmly into epiphytic or terrestrial orchid compost, water thoroughly when compost is almost dry, allow to drain and use orchid fertiliser at every third watering. Water sparingly in winter. Place outside in dappled shade during the summer months to aid flower initiation. See cymbidium cultivation

Propagation

Propagate by division of pseudobulbs when pot-bound or repotting

Suggested planting locations and garden types
  • Houseplants
  • Patio and container plants
  • Conservatory and greenhouse
Pruning

No pruning required, cut down flowered stems to base

Pests

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

Diseases

Generally disease-free. Sterilising cutting tools may prevent virus diseases, such as Cymbidium Mosaic Virus (CMV).

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