Platanthera bifolia is a perential growing to 0.5 m (1ft 8in). It is hardy to zone (UK) 6. It is in flower from May to July. Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. The Lesser and Greater Butterfly Orchids are very difficult to tell apart being similar in size despite their common names which would suggest otherwise. Growing to between 20-30cm tall this orchid has two narrow leaves at the base of the plant with several more small bract-like leaves higher up the stem. The inflorescence is cylindrical when full open and each one carries up to 25 flower.
Butterfly Orchids Care
Platanthera Bifolia
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How to Care for the Plant
Water
Avoid over watering as this can lead to root rot. Position your orchid in a bright windowsill facing east or west.
Pruning
After the flowers drop from the orchid you have three choices: leave the flower spike (or stem) intact, cut it back to a node. Withered stems won’t produce flowers. Removing the stem will direct the +plant’s energy toward root development, which makes for a healthier plant and increased chances for new bloom spikes.
Fertilizer
Fertilize regularly. A fertilizing routine is just as important as a watering routine. Anita recommends feeding orchids with water-soluble fertilizer that's formulated for orchids. Mix at the rate recommended on the package.
Sunlight
Sun/Part Shade.
Soil
Grow well in most garden soil as long as it drains well.
Temperature
60-80°F (16-27°C).
Container
A container that is about one-third as tall as the plant (measured from the soil line to the highest leaf) often works best.
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