Plant guide
ガジュマル
Watering rhythm
Every 5–10 days
Native to Okinawa, this cheerful plant is beloved for bringing good fortune. It naturally develops a thick trunk and distinctive rounded leaves, making it an excellent choice for beginners. Gajumaru thrives in warm conditions and tolerates lower light levels well, so you can enjoy watching its unique shape develop at a relaxed pace.
Bright indirect light is ideal—avoid direct sun. Keep temperatures above 15°C, with 20–25°C being optimal for growth. Humidity of 40% or higher is beneficial. Position it away from direct air conditioning drafts.
Light and temperature change a plant's metabolism, so the ideal cadence shifts with the seasons.
Spring
Every 4–8 days
Summer
Every 4–7 days
Autumn
Every 6–10 days
Winter
Every 10–14 days
Water thoroughly until it drains from the bottom once the soil surface feels dry. Gajumaru is fairly tolerant of dry spells, so the real key is avoiding overwatering. A good rule of thumb: stick your finger 2–3 cm into the soil, and water when it feels dry at that depth. Always empty any standing water from the saucer.
Quick lookup from symptom to likely cause and action.
| Symptom | Likely cause | What to try |
|---|---|---|
| Leaves turn yellow and drop off | Overwatering has stressed the roots, or the plant has experienced sudden temperature drops or cold shock. | Check your soil moisture and reduce watering if it's too wet. Make sure the temperature isn't dropping below 15°C, and move the plant to a warmer spot if needed. |
| Leaves curl inward and lose their shine | Direct air conditioning drafts, overly dry air, or sudden environmental changes. | Relocate away from AC vents. Misting the leaves with a spray bottle can help raise humidity and restore vitality. |
| Stems gradually thin out and growth slows | Insufficient light, or the plant has become root-bound and isn't receiving adequate nutrients. | Move it to a brighter location. If it's been 1–2 years, consider repotting into a slightly larger pot in spring. |
| White powder-like substance appears on leaves | Powdery mildew, a fungal disease that thrives in high humidity and poor air circulation. | Gently wipe affected areas with a soft cloth. Improve air flow and avoid getting water directly on the leaves. If it spreads, consider using a fungicide. |
| Tiny insects visible on the undersides of leaves | Spider mites or scale insects have infested the plant. | Rinse the leaves with a gentle shower or wipe them with a soft cloth. If the problem returns, use an insecticide and isolate the plant to prevent spreading to nearby plants. |
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