Plant guide
シンゴニウム
Watering rhythm
Every 5–7 days
Syngonium is a tropical houseplant from Central America belonging to the Araceae family, beloved for its charming heart-shaped leaves. One of its most delightful features is how the leaf shape transforms as the vines grow longer—there's real beauty in watching this change unfold. It's also wonderfully forgiving and easy to care for, making it an excellent choice for beginners.
Bright, indirect light is ideal. Avoid direct sunlight. Keep temperatures between 18–28°C (64–82°F), and try not to let it drop below 10°C (50°F). It thrives in humidity levels of 50–70%, though it's fairly tolerant of drier air too. A spot near a window with sheer curtains works beautifully.
Light and temperature change a plant's metabolism, so the ideal cadence shifts with the seasons.
Spring
Every 4–6 days
Summer
Every 3–5 days
Autumn
Every 5–7 days
Winter
Every 8–12 days
Water thoroughly once the top layer of soil feels dry to the touch. Avoid keeping the soil constantly wet, as this invites root rot. Misting the leaves regularly is a great habit—it helps prevent spider mites and keeps the foliage beautifully glossy. Since soil dries at different rates depending on the season, it's worth checking the soil regularly rather than sticking to a fixed watering schedule.
Quick lookup from symptom to likely cause and action.
| Symptom | Likely cause | What to try |
|---|---|---|
| Leaves turning yellow | Overwatering has likely caused the roots to rot, or the plant is receiving too much fertilizer. | Cut back on watering and monitor how quickly the soil dries. If root rot has progressed significantly, consider repotting into fresh soil. |
| Leaves turning brown and becoming crispy | The air is too dry, or the plant is getting direct sunlight. | Move it to a spot with softer, filtered light—like behind a sheer curtain—and mist the leaves regularly. |
| Vines not growing much, new leaves staying small | The plant isn't getting enough light, or it needs more nutrients. | Move it to a brighter location. During the growing season (spring through fall), feed with diluted liquid fertilizer once or twice a month. |
| Fuzzy white or yellow coating on leaves | Spider mites or mealybugs—pests that thrive in dry air. | Increase humidity by misting daily. If the infestation is severe, use an indoor plant insecticide spray. |
| Vines stretching out with large gaps between leaves | Insufficient light; the plant is reaching upward searching for more. | Move it to a brighter spot. You can also prune the vines periodically to encourage branching and create a fuller, bushier plant. |
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