Renanthera sp., Fireworks orchid. Renanthera imschootiana
Renanthera imschootiana

Renanthera sp.

Fireworks orchid
Family: Orchidaceae
Origin: Southeast Asia
Small plant 2-5 ftSemi-shadeModerate waterEpiphyte plantYellow, orange flowersRed, crimson, vinous flowersPlant attracts butterflies, hummingbirds

Renanthera sp. (Fireworks orchid), a small plant native to Southeast Asia that usually grows between 2-5 feet, thrives best in semi-shade with moderate water and good air circulation. This genus is ideally suited for growing in a hanging mount or basket, although they can also be grown in a pot with excellent drainage. The red-crimson to vinous flowers will bloom spectacularly during warmer months and attract butterflies and hummingbirds. The Renanthera imschootiana, which is native to the Himalayas, produces yellow-orange flowers that are quite unique and can be grown under cooler conditions.

For growing Renanthera outdoors in cold regions, it is best to plant them in a pot that can be brought indoors when temperatures drop below 40°F. In addition, it is important to keep the soil well drained and moist during heat spells. If the container is large enough, you can add a few inches of potting soil and vermiculite to create good drainage. When overwintering the plant indoors, keep the plant in a warm room and water sparingly, allowing the top layer of soil to dry between watering. Renanthera sp. will thrive in a well-lit environment and should be placed in a south or east-facing window for optimal growth.

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