Grammatophyllum speciosum, the Giant Orchid, is a massive epiphytic orchid from Southeast Asia, noted for its enormous pseudobulbs and spectacular, long-lasting flower spikes.
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Sunlight
Bright, indirect light is ideal. Direct sunlight can scorch the leaves. In its natural habitat, it grows in the upper canopy, receiving filtered light.
Watering
Water thoroughly when the potting medium is dry, reducing frequency in cooler months. Avoid waterlogged conditions, which can lead to root rot. Ensure good drainage.
Soil
Requires a very well-draining epiphytic mix, typically consisting of bark chips, charcoal, and sphagnum moss. Avoid heavy, water-retentive soils.
Temperature
Warm to intermediate temperatures are best, with a day range of 20-30°C and a slight drop at night.
Habitat
Greenhouse, Outdoor
Fertilizer
Feed with a balanced orchid fertilizer diluted to half strength every 2-4 weeks during the growing season. Reduce feeding in winter.
Bright, indirect light is ideal. Direct sunlight can scorch the leaves. In its natural habitat, it grows in the upper canopy, receiving filtered light.
Water thoroughly when the potting medium is dry, reducing frequency in cooler months. Avoid waterlogged conditions, which can lead to root rot. Ensure good drainage.
Requires a very well-draining epiphytic mix, typically consisting of bark chips, charcoal, and sphagnum moss. Avoid heavy, water-retentive soils.
Warm to intermediate temperatures are best, with a day range of 20-30°C and a slight drop at night.
Greenhouse, Outdoor
Feed with a balanced orchid fertilizer diluted to half strength every 2-4 weeks during the growing season. Reduce feeding in winter.
Plant Type
Herb
Plant Category
Flowering, Ornamental
Plant Place Type
Hanging
Plant Environment
Greenhouse, Outdoor
Lifespan
Perennials
Plant Height
Up to 3 m
Spread
Up to 3 m
Growth Rate
Slow
Dormancy
None
Leaf Color
Green
Leaf Type
Linear
Flower Size
10-15 cm
Toxic for humans
No
Rating: 0/5
Toxic for pets
No
Rating: 0/5
Edible
No
