How can I effectively trellis bougainvillea plants?

To effectively trellis bougainvillea plants, you should install a sturdy trellis or support structure near the plant. Gently tie the branches to the trellis using soft ties or twine, allowing the plant to climb and grow vertically. Regularly prune the plant to encourage upward growth and maintain its shape. Water and fertilize the plant as needed to promote healthy growth.