It is hardy in USDA Zones 8-10 and will thrive in full sun with regular water. It is fast growing and can reach heights of 15 feet with a spread of 10 feet. The yellow flowers appear in clusters and attract hummingbirds and butterflies. The Tecoma Stans Yellow Trumpet is an eye-catching, fast-growing evergreen shrub or small tree that will bring a burst of colour to your garden. It is hardy in USDA Zones 8-10 and will thrive in full sun with regular water. It produces clusters of bright yellow trumpet-shaped flowers that bloom from spring until frost, and in warmer climates may even bloom all year long. These flowers are incredibly attractive to hummingbirds and butterflies, making this a great choice for wildlife gardens. With a height of 15 feet and spread of 10 feet, this shrub is sure to make a statement in any garden.