
(Rossioglossum grande)

Tiger orchid, Macaw orchid, Rossioglossum
Rossioglossum grande is a species of orchid with large, showy flowers that can reach up to 10cm (4 inches) across. It is native to Mexico and Central America, and typically blooms in the spring and summer.
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Rossioglossum grande prefers bright, indirect light. Direct sunlight can burn the leaves.
Rossioglossum grande prefers high humidity levels, ideally between 50-70%. It can benefit from misting or a humidifier.
Fertilize once a month with a balanced orchid fertilizer during the growing season (spring and summer).
Prune after the flowering season to promote new growth and maintain shape.
Common pests for Rossioglossum grande include spider mites, mealybugs, and scale insects.
12-24 inches (30-61 cm)
Watering should be done when the top inch of soil feels dry to the touch. It is important not to over-water, as this can lead to root rot.
This orchid species prefers temperatures between 18-27°C (65-80°F) during the day and a drop of a few degrees at night.
Spring and summer
Rossioglossum grande can be challenging to grow, especially for beginners. It requires specific conditions of light, humidity, and temperature, and can be sensitive to over-watering.
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Rossioglossum grande is also known as the 'Potato Orchid' due to the shape of its pseudobulbs, which resemble small potatoes.