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Renanthera

Source: Wikimedia Commons

Renanthera

Advanced

A large Vanda relative with numerous vivid red flowers in sprays, preferring strong light.

Growing Difficulty
Advanced
Temperature
20〜35℃
Lifespan
10+ years
Size
50-100cm
Humidity
50〜70%

About

Renanthera, abbreviated as Ren in horticultural trade, is a genus of large scrambling monopodial epiphytic and terrestrial species of orchid found in China, the Himalayas, Southeast Asia, New Guinea, and Melanesia.

Source: Wikipedia (CC BY-SA 4.0)

Lifespan of the Renanthera

The Renanthera lives 10+ years.

Size of the Renanthera

The Renanthera grows to 50-100cm.

Temperature & humidity for the Renanthera

The ideal temperature for the Renanthera is 20〜35℃.

Basic Info

Origin

China, the Himalayas, Southeast Asia, New Guinea, and Melanesia

Lifespan

10+ years

Size

50-100cm

Temperature

20〜35℃

Humidity

50〜70%

Growing Tips

Light & Placement

It needs very strong light and tolerates direct sun. Reaching 50-100cm, it should be hung or given a large pot with room.

Watering

Daily watering is important. It likes hot, humid conditions, so water generously every day so the roots never dry out.

Temperature & Overwintering

It wants a hot, humid 20-35°C. Being tropical, move it somewhere that stays warm during cold periods.

Soil & Repotting

Hanging culture like Vanda, or bark in a large pot, suits it. Choose a pot that can support the vining stems.

Fertilizer

Regular feeding is important. Along with strong light and plenty of water, keep it supplied with fertilizer to support growth.

OrchidRenantheraRedLarge

Renanthera FAQ

QWhat is the growing difficulty level for Renanthera?
A

Advanced. A variety suitable for advanced growers. Requires advanced cultivation techniques and specialized equipment, with careful environmental adjustments needed.

QWhat is the ideal temperature for Renanthera?
A

The ideal temperature for Renanthera is 20〜35℃. Avoid sudden temperature changes and maintain a stable environment.

QWhat is the lifespan of Renanthera?
A

The average lifespan of Renanthera is 10+ years. With proper cultivation environment and nutrient management, you can keep it healthy for a long time.

QHow large does Renanthera get?
A

The mature size of Renanthera is 50-100cm. This may vary slightly depending on cultivation environment and individual differences.

QWhat is the typical price for Renanthera?
A

The price of Renanthera varies significantly by variety, characteristics, size, and lineage. Please check GrowerDirect's price guide for the latest market information.

Last updated: September 18, 2026

References & Sources

Edited & verified by: GrowerDirect Editorial Team

The classifications, regulations, and growing data on this page are created and verified based on the primary information database below.

Primary sources

Taxonomy & Authority

Accepted name: Lour.

Synonyms: Nephranthera, Porphyrodesme, Ascoglossum, Renantherella

Authority databases: GBIF · POWO · RHS orchid hybrid registration (International Orchid Register) · AOS (American Orchid Society)

Nomenclature follows global taxonomic authority databases.

Regulations & Conservation Status

CITES Appendix II

The family Orchidaceae is listed entirely in CITES Appendix II (except for the genera Paphiopedilum and Phragmipedium and certain species, which are in Appendix I). Cultivars and hybrids are subject to family-level regulation; however, artificially propagated specimens may benefit from simplified trading procedures under the Appendices.

Sources: CITES Appendices (Orchidaceae spp. = Appendix II) / CITES Appendix I Orchid Checklist (Kew/UNEP-WCMC 2019)

Regulations may change. Always verify the latest information with the relevant authorities.

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