Maui Ixora (Ixora coccinea) is a compact, slow-to-moderate growing tropical shrub, typically reaching 3-4 feet in height and width. It is known for large, showy, ball-shaped red or yellow flower clusters and glossy, evergreen foliage. Ideal for USDA zones 9-11, this sun-loving plant requires well-drained, acidic soil and regular moisture.