Caring for Cymbidium Orchids: Bloom Season, Temperature, and Repotting

When do Cymbidium orchids typically bloom?

Cymbidium orchids typically bloom from October to May, depending on the species or hybrid and environmental conditions. The bloom season can vary, but generally:

• Bloom Season: Cymbidiums typically bloom from October to May.
• Bloom Initiation: Night temperatures below 58°F (15°C) in late summer and early fall initiate the development of flower spikes.

What temperature range is required for Cymbidium orchids to bloom?

Cymbidium orchids have specific temperature requirements for optimal growth and blooming:

Maintaining these temperature ranges is crucial for Cymbidium orchids to bloom successfully.

How often should Cymbidium orchids be repotted during the growing season?

Cymbidium orchids should be repotted during the active growing season, typically in the spring or early summer:

• Repotting Frequency: Repot the orchid during the active growing season, usually every 2-3 years.
• Repotting Process:
• Repot the orchid, allowing the roots to callous for at least 3 days before watering.
• Use a light, porous potting mix like New Zealand Sphagnum Moss or a mix containing pumice and bark.

By following these guidelines for bloom season, temperature requirements, and repotting, you can ensure your Cymbidium orchids thrive and produce beautiful flowers.

Additional Tips for Cymbidium Orchid Care

• Lighting: Place the plant in a spot with bright, but diffuse, light, such as under a pine tree or shrub during the growing season. Indoors, position the orchid in a south, east, or west-facing window with filtered light.
• Watering: Water frequently during the growing season, but reduce watering in the winter when the plant is not actively growing. Use water low in alkalinity, such as rainwater, distilled water, or reverse osmosis water.
• Fertilization: Use a fertilizer specifically formulated for orchids, such as Green Jungle Orchid Food. Fertilize every time you water during the summer growing season and every other watering in winter.
• Humidity: Maintain high humidity, which can be achieved using a humidifier or a humidity tray.
• Troubleshooting: Keep an eye out for bacterial growth, root rot, and mineral buildup. Adjust watering and fertilization accordingly.
• Propagation: Divide the rhizome using a sterile knife, making sure each division has three bulbs. Plant these in pots filled with damp orchid compost and avoid watering for at least three weeks.

By following these expert tips and guidelines, you can successfully grow and care for your Cymbidium orchids throughout their growing season.

References:
– OrchidWeb: Cymbidium Orchid Care
– BBC Gardeners World Magazine: Cymbidium Orchid Grow Guide
– The Spruce: How to Grow Cymbidium Orchids