Brassia

Description

Brassia is a genus of orchids native to Central and South America, particularly in the Andean region. It was named in honor of William Brass, a British botanist who specialized in orchids. Brassia orchids are known for their unique spider-like flowers, which can grow up to 12 inches in length. These flowers have long, narrow petals that resemble spider legs, and are usually yellow, green, and brown in color. Brassia orchids are popular ornamental plants and are often grown indoors.

Taxonomic Information

Appearance

Brassia orchids have long, narrow leaves that can reach up to 2 feet in length. The flowers are borne on a long stem that can grow up to 3 feet tall. Each stem can produce up to 12 flowers, which can last up to 2 months. The sepals and petals of the flower are long and thin, resembling spider legs. The lip, or labellum, is larger and wider than the other parts of the flower and is often brightly colored. The flowers are usually yellow, green, and brown in color, although some species can have red or purple tones.

Care Guide

Brassia orchids require specific care to thrive. Here are some tips to keep them healthy:

Water: Brassia orchids prefer to be kept moist but not waterlogged. They should be watered thoroughly once a week, allowing the water to drain out of the pot completely. Avoid getting water on the leaves as this can cause rotting.

Fertilization: Brassia orchids should be fertilized every two weeks during the growing season (spring and summer) with a balanced orchid fertilizer. Reduce fertilizer in the fall and winter when the plant is dormant.

Soil: Brassia orchids prefer a well-draining soil mix, such as a combination of bark, perlite, and sphagnum moss. They should be repotted every 2-3 years, or when the potting mix breaks down and becomes compacted.

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

Hardiness Zones: Brassia orchids are not frost-hardy and should be kept indoors in cooler climates. They prefer temperatures between 60-85°F.

Common Pests & Diseases

Brassia orchids are susceptible to several pests and diseases, including:

Spider mites: These tiny pests can cause discoloration and webbing on the leaves. They can be treated with insecticidal soap or neem oil.

Scale insects: These pests can cause yellowing and wilting of the leaves. They can be treated with a systemic insecticide.

Fungal diseases: Overwatering and poor air circulation can lead to fungal diseases such as root rot and leaf spot. To prevent these diseases, make sure the plant has good drainage and is not overcrowded.

Habitat

Brassia orchids are found in the tropical and subtropical regions of Central and South America, particularly in the Andean region. They grow in moist, shady areas such as cloud forests and riverbanks. Some species can also be found growing in rocky areas and on trees.

Question and Answer

Q: Can I grow Brassia orchids outdoors?

A: Brassia orchids are not frost-hardy and should be kept indoors in cooler climates. However, they can be grown outdoors in warmer climates with high humidity and filtered sunlight.

Q: How often should I repot my Brassia orchid?

A: Brassia orchids should be repotted every 2-3 years or when the potting mix breaks down and becomes compacted.

Q: How long do Brassia orchid flowers last?

A: Brassia orchid flowers can last up to 2 months.

Q: What is the ideal temperature range for Brassia orchids?

A: Brassia orchids prefer temperatures between 60-85°F.

Related Plants

Other orchids related to Brassia include:

• Cymbidium
• Dendrobium
• Miltoniopsis
• Oncidium
• Phalaenopsis
• Vanda

References

• Brassia Orchid Care. (n.d.). Retrieved September 22, 2021, from https://www.thespruce.com/brassia-orchid-profile-1902770
• Brassia Orchid Information. (n.d.). Retrieved September 22, 2021, from https://www.orchids.com/Brassia-Orchid-Information
• Brassia Orchids. (n.d.). Retrieved September 22, 2021, from https://www.rhs.org.uk/plants/popular/brassia