Stanhopea inodora green with dark eye spot orchid

50-100 Seeds

Best Planting Time

• Best started during the cool and mild season in the Gulf:
  • October to March
• Avoid sowing during periods of extreme summer heat.

Growing Medium

For seedlings and mature plants, use a loose, moisture-retentive orchid mix consisting of:

• Medium orchid bark
• Sphagnum moss
• Perlite
• Charcoal (optional)

Note: Mature Stanhopea plants are best grown in hanging baskets, as flower spikes emerge downward through the basket.

Sowing Method

• Orchid seeds are extremely fine and dust-like.
• For successful germination, sow on a sterile orchid seed germination medium.
• Scatter seeds lightly on the surface.
• Do not cover with soil.
• Maintain sterile and humid conditions throughout germination.

Temperature & Light

• Ideal germination temperature:
  • 22–28°C
• Ideal growing temperature:
  • 18–30°C
• Requires:
  • Bright indirect light
  • 50–70% shade
• Avoid direct afternoon sunlight.

Humidity

• Ideal humidity:
  • 70–85%
• High humidity is essential for healthy growth.
• Use misting systems, humidity trays, or greenhouse conditions.

Watering

• Keep the growing medium evenly moist during active growth.
• Never allow the medium to dry completely.
• Reduce watering slightly during cooler periods.
• Ensure excellent air circulation.

Germination Time

• Under sterile conditions:
  • 4–12 weeks or longer
• Seedlings grow slowly and require careful maintenance.

Transplanting

• Transplant when seedlings have:
  • Several leaves
  • Strong root development
• Move to orchid baskets or hanging containers.

Flowering

• Plants grown from seed may require:
  • 4–7 years to flower
• Produces striking green flowers with dark eye spots on pendant flower spikes.

Gulf Climate Tips

• Best grown in:
  • Greenhouses
  • Shade houses
  • Bright indoor orchid collections
• Protect from temperatures above 35°C.
• Maintain high humidity throughout the year.
• Avoid hot desert winds and direct summer sun.
• Excellent for collectors of rare and exotic orchids.