Cymbidium orchids are known for their stunning blooms and elegant appearance, but they require specific care and feeding to thrive. When it comes to fertilizing these beautiful plants, a balanced approach is key. In this article, we’ll dive into the ideal NPK ratio for Cymbidium orchids and explore the use of horse manure as a natural fertilizer option.
Balanced Fertilizer for Cymbidium Orchids
A balanced fertilizer with equal parts nitrogen (N), phosphorus (P), and potassium (K) is recommended for Cymbidium orchids. This ensures the plant receives the necessary nutrients for healthy growth and blooming. The ideal NPK ratio for Cymbidium orchids is 1:1:1.
Seasonal Fertilization
Cymbidiums have different nutrient needs throughout the year, so it’s important to adjust your fertilizer regimen accordingly:
| Season | Fertilizer Recommendation |
|---|---|
| Spring and Early Summer | Use a high nitrogen fertilizer (30-10-10) to promote leaf growth and development. |
| Summer | Switch to a balanced fertilizer (20-10-20) to support overall growth and blooming. |
| Fall and Winter | Use a blossom booster fertilizer (3-12-6) to encourage flowering. |
Fertilization Frequency
During the growing season, fertilize your Cymbidium orchid every third watering. During the dormant season, reduce the frequency to every other watering.
Natural Fertilizers: Horse Manure
Horse manure can be used as a natural fertilizer for Cymbidiums, but it must be fully composted and mixed with other potting media to avoid burning the roots. Composted horse manure can provide a slow-release source of nutrients for your orchid.
Potting Media and Watering
Use a light, porous potting media that drains well to prevent root rot. A mix of fir bark, perlite, peat moss, and other loose organic materials is suitable. Water Cymbidiums frequently during the growing season, ensuring the potting media is moist but not wet. Reduce watering during the dormant season.
Repotting and Pest Control
Repot Cymbidiums every 2-3 years in the spring when new growths are visible, using a pot that allows for good drainage and aeration. Regularly inspect for pests like spider mites and aphids, and use insecticidal soap or horticultural oil to control infestations.
Troubleshooting
Monitor your Cymbidium orchid for signs of over-fertilization, such as yellow leaves, stunted growth, or white soil crust. If you notice these issues, adjust the fertilizer dosage and application accordingly.
By following these guidelines, you can provide your Cymbidium orchid with the necessary nutrients for healthy growth and blooming.
References:
– Carter and Holmes Orchids. (n.d.). Cymbidium Care Sheet. Retrieved from https://www.carterandholmes.com/pages/cymbidium-care-sheet
– OrchidWeb. (n.d.). Cymbidium Orchid Care. Retrieved from https://www.orchidweb.com/cymbidium-orchid-care
– Care for Your Orchids. (n.d.). How to Water and Feed Cymbidium Orchids. Retrieved from http://careforyourorchids.com/How-to-water-and-feed-Cymbidium-Orchids.html
– Napa Master Gardener Column. (2023, August 5). Cymbidium: The Easy Orchid. Retrieved from https://ucanr.edu/blogs/blogcore/postdetail.cfm?postnum=57575
– Greg. (2024, March 11). Am I Starving My Cymbidium ‘Fashion Show’? Fertilizing 101. Retrieved from https://greg.app/cymbidium-fashion-show-fertilizer/