Epidendrum

Description

Epidendrum is a diverse genus of orchids, with over 1,000 species. The plants are native to Central and South America, as well as the Caribbean. The name “Epidendrum” comes from the Greek words “epi” meaning “upon” and “dendron” meaning “tree”, which refers to the plant’s epiphytic nature. Epidendrum orchids are a popular choice for indoor and outdoor gardening, and they are prized for their striking and long-lasting flowers.

Taxonomic Information

Appearance

Epidendrum orchids come in a wide variety of sizes and colors. They can range from small plants that are only a few inches tall, to large plants that can reach over six feet tall. The flowers can be single or in clusters, and they come in shades of white, yellow, orange, pink, and purple. The petals and sepals are often similar in shape and size, and the lip of the flower can be very showy and ornate. The leaves are typically long and narrow, and they may be deciduous or evergreen depending on the species.

Care Guide

Epidendrum orchids are relatively easy to care for, and they can thrive with minimal maintenance. Here are some tips for keeping your Epidendrum healthy:

Water: Epidendrum orchids prefer to be kept slightly moist, but they should not be overwatered. Water the plant when the top inch of the soil feels dry, and be sure to allow the excess water to drain away.

Fertilization: Feed your Epidendrum orchid with a balanced fertilizer every two weeks during the growing season. Reduce the frequency of fertilization during the winter months.

Soil: Epidendrum orchids are epiphytes, which means they grow on other plants in their natural habitat. They do not require soil to grow, but they can be potted in a well-draining mix of bark, sphagnum moss, and perlite.

Sunlight: Epidendrum orchids prefer bright, indirect light. Avoid direct sunlight, as it can burn the leaves and flowers.

Hardiness Zones: Epidendrum orchids are typically grown as indoor plants, but they can be grown outdoors in USDA zones 9-11.

Common Pests & Diseases

Like all plants, Epidendrum orchids can be susceptible to pests and diseases. Here are some of the most common issues to watch out for:

Spider mites: These tiny pests can cause yellowing and wilting of the leaves. They can be controlled with insecticidal soap or neem oil.

Mealybugs: Mealybugs are small, white insects that feed on the sap of the plant. They can be treated with insecticidal soap or neem oil.

Black rot: This fungal disease can cause black spots on the leaves and flowers, as well as a foul odor. Remove any infected plant material and treat with a fungicide.

Habitat

Epidendrum orchids are native to a wide range of habitats, from rainforests to deserts. They can be found growing on trees, rocks, and even in the ground. Some species are epiphytes, while others are terrestrial. Epidendrum orchids are found throughout Central and South America, as well as the Caribbean.

Question and Answer

Q: How often should I water my Epidendrum orchid?

A: Water your Epidendrum orchid when the top inch of soil feels dry. Be sure to allow the excess water to drain away.

Q: Can Epidendrum orchids be grown outdoors?

A: Yes, Epidendrum orchids can be grown outdoors in USDA zones 9-11.

Q: How often should I fertilize my Epidendrum orchid?

A: Feed your Epidendrum orchid with a balanced fertilizer every two weeks during the growing season. Reduce the frequency of fertilization during the winter months.

Q: What should I do if my Epidendrum orchid gets black rot?

A: Remove any infected plant material and treat with a fungicide.

Related Plants

Here are some related plants to Epidendrum:

• Cattleya
• Dendrobium
• Miltoniopsis
• Phalaenopsis
• Vanda

References

• “Epidendrum.” Missouri Botanical Garden. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=c990
• “Epidendrum Orchids.” American Orchid Society. https://www.aos.org/orchids/additional-resources/epidendrum-orchids.aspx
• “Epidendrum Orchids: How to Grow and Care for Epidendrum Orchids.” The Old Farmer’s Almanac. https://www.almanac.com/plant/epidendrum-orchids