To successfully propagate bougainvillea cuttings in water, follow these steps:
- Take a 6-8 inch cutting from a healthy bougainvillea plant.
- Remove the lower leaves from the cutting.
- Place the cutting in a container of water, making sure the nodes are submerged.
- Change the water every few days to prevent rot.
- After a few weeks, roots should start to form.
- Once roots are established, transplant the cutting into soil.