Vanda dearei

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This hot-growing species has been a break-through in breeding many modern yellow hybrids, notably in 1950s and 60s. Its progeny carries bright yellow colour, longevity and sweet fragrance of their flowers. However, due to hot-growing, natural environment, its hybrids are less cold-tolerant that the blue-flowered species.

Scientific classification

Species: Vanda dearei (Vanda dearei)
Genus: Vanda
Family: Orchidaceae

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

Vanda dearei pictures

Distribution of Vanda dearei

Distribution map

Borneo, Indonesia (Lesser Sunda Islands)

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Culture

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Toxicity

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Quick identification of Vanda dearei

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Vanda dearei care guide

Keep medium lightly moist with excellent aeration
Watering: Partial shade · Full sun
Sunlight: Information to be completed
Ideal temperature

Watering

Keep medium lightly moist with excellent aeration

Fertilizing

Half-strength orchid feed every few weeks in growth

Pruning

Remove spent flower stems at the base. Old, ''leggy'' plants with bare stems can be cut during their active growing season to reduce the size of the plant. Cut through the rhizome, below the new developed set of aerial roots. Lowering apical dominance by laying plant horizontally, or hanging upside down will support the growth of new roots.

Propagation

Propagation by seed is only possible in a controlled laboratory environment. Mature plants produce sideshoots (keiki) which may be removed and potted separately, when the new roots (preferably 3 or more) are at least 2cm long.

Growing

For successful cultivation and frequent flowering, plants require high light levels and long, light days. In summer, they would benefit from being in a warm and bright greenhouse or conservatory, but direct, mid-day sun should be avoided. Highly absorbent, sponge-like roots are the principal water-storage organs. Dark green or purplish tips of the roots may be observed as a sign of actively growing plant. They are heavy feeders and require regular application of orchid fertiliser between spring and autumn. High air humidity (70 -80%), good air circulation and regular misiting should be provided frequently when in active growth. In cooler climates with shorter days, plants may go dormant in winter. Misting may be reduced to avoid rots, but plants shouldn't be left dry for long periods. Ideal temperature range is 15°C in winter and up to 30°C during summer months. Plants can be grown in an open baskets, or in a coarse, bark-based epiphyte orchid mix.

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Common pests and diseases

Diseases

Generally disease-free. Poor air movement may cause bacterial of fungal rots. Good hygiene practice and sterilising cutting tools prevent the spread of virus diseases.