Pothos (*Epipremnum aureum*) is a popular houseplant known for its hardiness and adaptability. One of its remarkable traits is the ability to grow hydroponically—meaning it can thrive in water without soil. While Pothos can survive in water indefinitely under the right conditions, long-term hydroponic growth requires careful attention to factors like nutrient supply, water quality, and light exposure.
Technically, yes—Pothos can live in water indefinitely if provided with proper care. However, "forever" is subjective, as the plant's health and growth rate may decline over time without supplemental nutrients. In soil, Pothos extracts minerals and organic matter naturally, but in water, these nutrients must be artificially introduced to sustain long-term vitality.
To keep Pothos healthy in water, the following factors are critical:
Use filtered or distilled water to avoid chlorine and fluoride, which can harm roots. Change the water every 1–2 weeks to prevent stagnation and bacterial growth.
Pure water lacks essential nutrients like nitrogen, phosphorus, and potassium. Add a diluted hydroponic fertilizer every 4–6 weeks to mimic soil conditions.
Pothos prefers bright, indirect light. In water, insufficient light can slow growth, while too much direct sunlight may encourage algae growth in the container.
Roots need oxygen to prevent rot. Ensure the container allows air exposure (e.g., using a vessel with a narrow neck to suspend roots partially above water).
While Pothos is resilient, hydroponic growth presents unique challenges:
Without fertilization, leaves may yellow or stunt due to lack of nitrogen or iron. Regular nutrient monitoring is essential.
Water roots differ from soil roots—they’re thinner and more fragile. Rot can occur if water isn’t changed frequently or if the container lacks airflow.
Sunlight exposure can cause algae to form in the water, competing with the plant for nutrients. Use opaque containers to minimize this risk.
Pothos adapts well to hydroponics. To transition:
Growing Pothos in water offers advantages:
Despite its adaptability, Pothos in water may grow slower than soil-grown counterparts due to limited nutrient availability. For optimal size and foliage density, occasional fertilization is necessary.