Calanthe alpina is a terrestrial orchid from the Himalayas known for its delicate flowers. It thrives in cool, moist conditions and is a beautiful addition to shaded gard
At-a-glance light, water, soil, and growing conditions from plant data
Moderate
50% intensity
Bright, indirect light. Protect from direct sunlight, especially during the hottest parts of the day, which can scorch the leaves.
Moderate
50% intensity
Keep potting medium consistently moist but not waterlogged during active growth. Reduce watering significantly during dormancy.
Well-draining, humus-rich, slightly acidic
50% intensity
Moderate
50% intensity
Requires a distinct temperature difference between day and night, with cooler temperatures (10-15°C) during winter dormancy to encourage blooming.
Outdoor
50% intensity
Moderate
50% intensity
Feed with a diluted orchid fertilizer during the growing season. Flush with water periodically to prevent salt buildup.
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Water thoroughly when the potting medium begins to feel dry to the touch. Avoid overwatering, as this can lead to root rot.
Reduce watering during the dormant period, allowing the medium to dry out more between waterings. Ensure good drainage to prevent waterlogging.
Remove spent flower spikes at their base after blooming. Cut away any dead, damaged, or diseased leaves or pseudobulbs as they appear. This helps maintain plant health and encourages new growth.
Pruning is generally minimal for Calanthe.
Calanthe alpina is typically propagated through division of established pseudobulbs during repotting in spring. Each division should have at least one healthy pseudobulb and some roots.
Plant the divisions in a suitable orchid mix.
Repot every 2-3 years or when the potting medium has broken down, typically after flowering in spring. Use a well-draining orchid mix. Ensure pseudobulbs are planted at the surface or slightly buried.
Avoid disturbing the roots excessively.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Liliopsida |
| Order | Asparagales |
| Family | Orchidaceae |
| Genus | Calanthe |
| Species | Calanthe alpina |
Similar in genus Calanthe
Answers based on plant encyclopedia data
