Plant guide
ファレノプシス
Watering rhythm
Every 7–10 days
Phalaenopsis is known as the "Queen of Orchids" and is a beloved tropical orchid. Native to Southeast Asia, it produces elegant flowers in soft purples, pinks, and whites. It's wonderfully easy to grow indoors and is a favorite choice for orchid beginners. These plants are fairly resilient and tend to flower reliably.
Bright, indirect light is ideal—avoid direct sun. Phalaenopsis prefers temperatures between 18–25°C and shouldn't be exposed to anything below 15°C. Humidity in the 50–70% range works best. A bright windowsill or a spot filtered by sheer curtains is perfect.
Light and temperature change a plant's metabolism, so the ideal cadence shifts with the seasons.
Spring
Every 6–9 days
Summer
Every 5–8 days
Autumn
Every 7–10 days
Winter
Every 10–14 days
The color of the roots tells you what your plant needs. While roots are white, they have plenty of moisture; when they turn silvery, it's time to water. Be aware that even if the soil surface feels dry, the interior often stays moist, so check carefully. Water in the morning rather than at night.
Quick lookup from symptom to likely cause and action.
| Symptom | Likely cause | What to try |
|---|---|---|
| Buds dropping off | Sudden temperature swings, inconsistent watering, or insufficient light stress the plant. Rapid changes in environment are the usual culprit. | Keep temperatures stable and aim to water at the same time each day. Maintain consistent light levels and avoid moving the plant around suddenly. |
| Roots turning black with a foul smell | Root rot from overwatering or poor-draining soil. Orchids specifically need coarse, well-draining orchid mix. | Take the plant out of its pot and trim away any rotted roots with clean scissors. Repot it in fresh orchid medium and reduce watering for a while. |
| Leaves becoming wrinkled and limp | The roots aren't absorbing water properly—either from rot or from drying out completely. | Check the root condition; if they're rotted, repot the plant. If they're bone-dry, gently soak the pot in lukewarm water and let it recover gradually. |
| Tiny yellow insects on the plant | Aphids or whiteflies, usually appearing when indoor air is too dry and air circulation is poor. | Wipe away visible insects with a damp cloth and keep checking. If they return and spread, consider using an insecticide. |
| No flowers or buds forming | Insufficient light, cool temperatures, or lack of nutrients. Orchids need specific conditions to bloom. | Move the plant to a brighter spot, maintain temperatures above 15°C during winter, and feed it with orchid fertilizer in spring. |
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