✂️ Proper cutting: Take a cutting about 10 cm long from a healthy stem.
🌊 Water: Place the cutting in a glass with clean water and enough to cover the stem.
☀️ Light: Place the glass in a bright place but without direct sun.
🌡️ Temperature: Keep the plant in a warm environment, between 18°C ​​and 24°C.
🪴 Water change: Change the water every few days to avoid the formation of bacteria.
🌱 Roots: Wait for roots of at least 2-5 cm to appear before transplanting.
🌿 Transplanting: Once the roots are well developed, plant the coleus in soil.

Summary: Propagate the coleus in water by changing the water regularly and ensuring good light and temperature until it develops roots.