Growing Bacopa Aquarium Plant from cuttings is a simple way to produce new plants. Choose a healthy stem that is about 3–5 inches long and remove the lower leaves. Place the cutting in moist, well-draining potting soil, ensuring that the lower portion is covered. Keep the container in a warm location with bright, indirect sunlight. Maintain consistent moisture without making the soil soggy. Roots generally develop within a few weeks. Once the cutting shows new growth, it can be transplanted into a larger container or garden bed.