The zamioculcas, commonly known as the ZZ plant, is a resilient indoor plant prized for its ability to thrive in less-than-ideal conditions. However, despite its toughness, it is highly sensitive to overwatering, which can quickly lead to root rot and other issues. This plant, with its glossy, dark green leaves, prefers a balance of care: it needs soft, indirect light, a well-draining pot, and watering only when the soil is dry. It thrives in a bright room, ideally placed a few meters from an east or west-facing window or behind a curtain if the sunlight is strong. While it can survive in lower light, its growth will be slower, and its stems may stretch out in search of light. Direct sunlight, especially in summer, can scorch its leaves, causing them to fade and lose their luster. It should also be kept away from cold drafts, radiators, and temperatures below 15 °C. A stable temperature between 18 and 25 °C helps it grow dense, healthy foliage. To ensure even growth, turn the pot a quarter turn each month. Water the zamioculcas only when the soil is dry to the touch, and always allow any excess water to drain completely from the pot. The plant stores water in its thick stems and rhizomes, so it can withstand occasional missed waterings but is highly sensitive to constant moisture. In spring and summer, watering every two to three weeks is usually enough, while in autumn and winter, it can be reduced to once a month or even less in cooler, dimmer conditions. Always check the soil depth rather than following a strict schedule—when the soil is dry several centimeters deep, it’s time to water. Signs of underwatering include slightly wrinkled leaves, less firm stems, or very dry soil. On the other hand, yellowing leaves, soft stems, or a damp smell from the soil may indicate overwatering and the risk of root rot. In such cases, stop watering, empty the saucer, and let the soil dry out before watering again. Choosing a pot with drainage holes is essential to prevent water from pooling around the roots. Terracotta pots help the soil dry faster, while plastic pots are suitable if watering is kept moderate. A well-draining potting mix, ideally mixed with perlite, coarse sand, or clay pebbles, is recommended. Repot the zamioculcas every two to three years in spring, or when the roots become crowded. Choose a container only 2 to 4 cm larger than the current one, as a much larger pot can retain too much moisture and increase the risk of rot. Yellow leaves on a zamioculcas are most often a sign of overwatering, especially if the stems become soft. Allow the soil to dry completely and ensure the pot drains properly. A single old leaf turning yellow may simply be the end of its natural life cycle. Growth of this plant is typically slow, especially in low light or during winter. To encourage new growth, place it in indirect light, water it sparingly, and apply a diluted indoor plant fertilizer once a month during spring and summer. The zamioculcas is considered toxic if ingested by cats, dogs, or young children, and its sap can irritate the skin or eyes. Keep it out of reach, wear gloves when repotting or pruning, and wash your hands afterward.