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Conservatory GreenhouseHouseplants

× Oncostele Midnight Miracles gx 'Masai Splash'

Evergreen epiphytic orchid to 60cm tall with broad ovoid pseudobulbs bearing mid-green, sword-shaped leaves and from late autumn to early summer produces racemes of up to 15 dark red flowers with red-centred, white-margined lips, the red markings vary with temperatures during flower formation

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Size
Ultimate height
0.5–1 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Loam
Moisture
Well–drained
pH
Acid, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Red White Green
Summer Red White Green
Autumn Green
Winter Red White Green
Position
  • Partial shade
Aspect

East–facing or North–facing or West–facing

Exposure
Sheltered
Hardiness
H1A
Botanical details
Family
Orchidaceae
Native to the UK
No
Foliage
Evergreen
Habit
Tufted
Genus

A hybrid genus of orchids used for greges (plural of grex) which contain at least one ancestor species from the genera Oncidium and Rhynchostele

Name status

Unresolved

How to grow

Cultivation

Grow in bark-based epiphytic orchid compost in small pots. Provide bright filtered light, good ventilation and in spring and summer water freely as compost dries out, use half strength orchid fertiliser at every third watering and mist regularly for high humidity. Reduce watering in winter and provide good light levels

Propagation

Propagate by division when plants are large enough to be divided into clumps of 2 - 3 pseudobulbs and overflowing the pot

Suggested planting locations and garden types
  • Houseplants
  • Sub-tropical
  • Conservatory and greenhouse
Pruning

No pruning required, remove spent flower spikes

Pests

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

Diseases

Generally disease-free

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