
(Oncidium sphacelatum)

Kandyan dancer orchid, Dancing lady orchid, Golden shower orchid
Oncidium sphacelatum is an epiphytic orchid species that produces small yellow flowers with a red center. The flowers grow in clusters on long branching stems, and the plant itself has thin, elongated leaves.
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Oncidium sphacelatum prefers bright, indirect light. Direct sunlight can burn the leaves and flowers.
Oncidium sphacelatum prefers high humidity levels, around 50-70%. The plant can be misted daily or placed on a tray of pebbles and water to increase humidity.
Fertilize Oncidium sphacelatum every two weeks during the growing season with a balanced orchid fertilizer. Reduce fertilization during the dormant season.
Pruning should be done after the plant has finished blooming. Cut back the flowering stem to just above the first node to encourage new growth.
Common pests for Oncidium sphacelatum include spider mites, scale insects, and mealybugs. These can be treated with insecticidal soap or neem oil.
12-18 inches (30-45 cm)
Watering should be done once a week during the growing season and once every two weeks during the dormant season. The plant should be watered thoroughly, but the roots should not be left in standing water.
Oncidium sphacelatum prefers temperatures between 60-85°F (16-29°C). It can tolerate cooler temperatures, but not below 50°F (10°C).
The growing season for Oncidium sphacelatum is spring and summer.
Oncidium sphacelatum is moderately difficult to grow. It requires specific light, temperature, and humidity conditions, and can be susceptible to pests and diseases.
Oncidium sphacelatum is not a cold-hardy plant and is not rated for USDA hardiness zones.
Oncidium sphacelatum is also known as the 'Dead Oncidium' because the flowers resemble tiny skulls.