Description

🌸 Dendrobium Thongchai × Chaisri

(Hybrid Seedling Orchid – Full Details)

🌿 Basic Information

• Type: Hybrid Dendrobium (Spatulata / Phalaenopsis-type influence)
• Plant Stage: Seedling (young, non-flowering size)
• Origin: Tropical hybrid (mainly Thailand breeding lines)
• Growth Habit: Epiphytic (grows on trees, orchid media)

👉 The Thongchai lineage is a registered hybrid derived largely from species like Dendrobium bigibbum, D. schulleri, D. stratiotes, etc.
👉 “Chaisri” hybrids are also from similar warm-growing dendrobium breeding lines, known for strong growth and vibrant colors.

🌱 Plant Characteristics (Seedling Stage)

• Young plants with slender green canes (pseudobulbs)
• Leaves are narrow, elongated, and slightly leathery
• Growth is upright and compact in early stage
• Roots are thick, white to green, actively growing

✔ Seedlings are fast-growing under proper conditions
✔ Mature size develops into tall cane-type orchid

🌼 Flower Description (Expected at Blooming Size)

(Based on parent traits)

• Flower Size: Medium (4–6 cm approx.)
• Shape: Star-shaped to slightly twisted petals (Spatulata influence)
• Color Range:
  • Purple / magenta / lavender tones
  • Yellow, golden or mixed shades possible
  • Often with contrasting lip (dark purple/red)
• Texture: Waxy, long-lasting
• Fragrance: Mild to light fragrance (varies)

👉 Thongchai-type hybrids are known for multiple flowers per spike (10–15 blooms) and vibrant colors.

🌸 Blooming Habit

• Blooming Season: Spring to Summer (can vary)
• Inflorescence: Upright spikes
• Flower Count: Multiple blooms per spike
• Flower Life: Long-lasting (2–4 weeks or more)

✔ Mature plants can bloom multiple times per year in ideal conditions

🌞 Growing Requirements

☀️ Light

• Bright indirect light to high light (50–70%)
• Avoid harsh midday sun

🌡️ Temperature

• Day: 25–35°C
• Night: 18–24°C
• Prefers warm to hot climate

💧 Watering

• Water regularly during growth
• Allow medium to slightly dry between watering

💦 Humidity

• Ideal: 60–80% humidity

🌱 Potting Media

• Bark mix / charcoal / coconut husk
• Good drainage is essential

🌿 Fertilizer

• Use balanced orchid fertilizer (20-20-20)
• Feed weekly in growing season
• Reduce feeding in winter

✂️ Special Care Tips

• Do not cut old canes → they can rebloom
• Needs good air circulation
• Repot only during active growth
• Seedlings are sensitive → avoid overwatering

🌟 Key Features

✔ Fast-growing hybrid
✔ Easy to maintain (suitable for beginners)
✔ Bright, attractive flower colors
✔ Strong hybrid vigor
✔ Ideal for Indian tropical climate

⚠️ Seedling Note

• Will take 1.5–3 years to reach flowering size
• Proper care = faster blooming

✅ Summary:
Dendrobium Thongchai × Chaisri is a vigorous, warm-growing hybrid orchid known for its colorful blooms, strong growth, and beginner-friendly nature. As a seedling, it requires patience but rewards with beautiful multi-flowered spikes once mature.