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Description
Oncidium Sphacelatum, also known as the Golden Shower Orchid, is a species of epiphytic orchids native to Central and South America. It has long, slender stems covered in deeply grooved leaves. The plant produces a showy inflorescence, which bears numerous small, fragrant flowers. Each flower features a yellow lip with brownish-red spots and petals that range from yellow to orange.
Taxonomic Information
| Domain | Eukaryota |
|---|---|
| Kingdom | Plantae |
| Phylum | Tracheophyta |
| Class | Liliopsida |
| Order | Asparagales |
| Family | Orchidaceae |
| Genus | Oncidium |
Appearance
Oncidium Sphacelatum has long, slender stems that can grow up to 4 feet long. The leaves are deeply grooved, up to 12 inches long, and arranged in a fan-like pattern along the stem. The plant produces an inflorescence that can reach up to 3 feet in length and bears numerous small, fragrant flowers. Each flower features a yellow lip with brownish-red spots and petals that range from yellow to orange.
Care Guide
Oncidium Sphacelatum requires specific care to thrive. Here are some tips for its care:Water: Water the plant thoroughly once a week during the growing season and reduce watering during the dormant season. Make sure the water drains well to avoid root rot.Fertilization: Fertilize the plant every two weeks with a balanced, water-soluble fertilizer during the growing season.Soil: Use a well-draining orchid mix, such as bark or sphagnum moss.Sunlight: Place the plant in bright, indirect sunlight. Avoid direct sunlight, which can burn the leaves.Hardiness Zones: Oncidium Sphacelatum is hardy in USDA Zones 10-12.
Common Pests & Diseases
Common pests for Oncidium Sphacelatum include spider mites, mealybugs, and scale insects. These pests can be controlled with insecticidal soap or neem oil. The plant is also susceptible to fungal and bacterial diseases, which can be prevented by maintaining good air circulation and avoiding overwatering.
Habitat
Oncidium Sphacelatum is native to Central and South America, where it grows as an epiphyte on trees and rocks in high-altitude rainforests.
Question and Answer
Q: Can I grow Oncidium Sphacelatum outdoors?
A: Oncidium Sphacelatum is hardy in USDA Zones 10-12 and can be grown outdoors in these zones.Q: How often should I fertilize Oncidium Sphacelatum?
A: Fertilize the plant every two weeks with a balanced, water-soluble fertilizer during the growing season.Q: What is the best soil for Oncidium Sphacelatum?
A: Use a well-draining orchid mix, such as bark or sphagnum moss.Q: How often should I water Oncidium Sphacelatum?
A: Water the plant thoroughly once a week during the growing season and reduce watering during the dormant season.
Related Plants
Here are some related plants to Oncidium Sphacelatum:
- Oncidium Gower Ramsey
- Oncidium Sharry Baby
- Oncidium Twinkle
- Oncidium Heaven Scent
References
- Missouri Botanical Garden. (n.d.). Oncidium sphacelatum. Retrieved from http://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=a285
- Royal Horticultural Society. (n.d.). Oncidium sphacelatum. Retrieved from https://www.rhs.org.uk/Plants/38291/Oncidium-sphacelatum/Details
- Orchid Society of Great Britain. (n.d.). Oncidium sphacelatum. Retrieved from https://www.osgb.org.uk/oncidium-sphacelatum/
