Living items · 반려식물

Six steps to keep a moth orchid healthy: light, water and repotting

A practical guide to bright indirect light, well-drained watering and bark-based potting mix for indoor Phalaenopsis orchids.

AI-edited · Human admin approved

Wikimedia Commons · Photo: Francois Polito / Wikimedia Commons, CC BY-SA 3.0; original image used without changes. · CC BY-SA 3.0 ↗

Phalaenopsis roots need air as well as moisture, so ordinary dense potting soil and standing water can cause problems. These six steps draw on guidance from the Royal Horticultural Society and Royal Botanic Gardens, Kew.

Your try-it-at-home checklist

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1. Confirm that your plant is Phalaenopsis. Use a pot with drainage holes and an airy orchid bark mix rather than dense general-purpose soil.
2. Provide bright light without harsh direct sun. An east- or west-facing window can work, but shade the plant from intense summer sunlight that may scorch its leaves.
3. Check the bark and pot weight before watering. About weekly in active growth is a starting point, not a fixed rule; adjust for light, temperature, humidity and root conditions. Avoid prolonged sogginess or severe dryness.
4. Water gently with tepid water and let the pot drain completely. Never leave it standing in a saucer of water, and avoid collecting water in the central crown.
5. Keep it away from heaters, cold drafts and abrupt temperature changes. During growth, feed sparingly using the orchid fertiliser label and periodically water without fertiliser to reduce salt buildup.
6. Assess the bark and roots roughly every two years and repot when the medium breaks down. Carefully remove clearly dead or mushy roots and avoid a needlessly oversized pot.

Royal Horticultural SocietyHow to grow Phalaenopsis (moth orchids) ↗Original growing guide verified: bright indirect light, seasonal watering and full drainage, dilute feeding and periodic bark-medium repotting.Royal Botanic Gardens, KewCaring for your orchids ↗Original Kew care guidance verified: water by pot dryness, avoid direct sun, use bark orchid compost and repot about every two years.Wikimedia CommonsOrchid in pot.jpg (Francois Polito) ↗File-specific authorship and CC BY-SA 3.0 rights verified; original image displayed successfully; this is illustrative, not a care demonstration.Wikimedia CommonsCommons:Reusing content outside Wikimedia/technical ↗The official Commons technical reuse guide explicitly permits hotlinking separately from individual file attribution and license requirements.

Your try-it-at-home checklist

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