Tolumnia Jairak Flyer ‘No. 642’ (KS790)

Tolumnias (Equitant Oncidiums)

Tolumnias, often referred to as Equitant Oncidiums, are a delightful group of small, epiphytic orchids native to the Caribbean and parts of Central America. These orchids are prized for their vibrant, long-lasting flowers, compact growth habit, and versatility in cultivation.

General Description:
Tolumnias are small, fan-shaped orchids with narrow, fleshy leaves arranged in a compact rosette. They are often found growing on trees in their natural habitat, making them well-suited for mounting on bark or cork. Their blooms, though small, are incredibly showy and come in a variety of colors and patterns, including spots, stripes, and solid hues.

Flowers:

• Blooming Season: Typically bloom in late winter to early spring, though they may flower multiple times a year with proper care.
• Inflorescence: Flower spikes are slender and may carry multiple blossoms, arranged in clusters.
• Flower Characteristics: The blooms are often round, with a prominent lip and vibrant colors such as red, purple, yellow, orange, and white. Patterns add to their visual appeal.

Care Requirements:

• Light:
  Provide bright, indirect light. Filtered sunlight or artificial light is ideal. Direct sun can cause leaf burn.
• Watering:
  Water thoroughly and allow the plant to dry out completely between waterings. Tolumnias are sensitive to overwatering, as their roots need aeration.
• Humidity:
  Maintain 50–70% humidity. Higher humidity levels mimic their natural environment and encourage healthy growth.
• Temperature:
  These orchids prefer intermediate to warm conditions, with daytime temperatures between 70–85°F (21–29°C) and nighttime temperatures no lower than 60°F (16°C).
• Fertilizer:
  Use a balanced orchid fertilizer diluted to half strength every 1–2 weeks. Feed more frequently during active growth.
• Potting:
  • Tolumnias thrive when mounted on cork or bark, mimicking their epiphytic nature.
  • If potted, use small containers with fast-draining media like coarse bark or sphagnum moss.

Repotting:
Repot every 1–2 years or when the medium breaks down. If mounted, check for secure attachment and root health periodically.

Special Notes:

• Tolumnias are ideal for growers with limited space due to their compact size.
• Their ability to grow on mounts makes them versatile for display purposes.
• Ensure good air circulation around the plant to prevent fungal issues.

Tolumnias are a joy to cultivate and reward growers with their dazzling array of flowers, making them a favorite among orchid enthusiasts. With proper care, they can thrive and bloom year after year.