Allamanda BushBuy Allamanda Bush Plants for Sale Online Allamanda schottii is a tropical perennial plant known for its golden yellow trumpet shaped blooms, and glossy green foliage. This flowering shrub is perfect for decorating decks, patios, and can be formed into a hedge for landscaping purposes. Alamanda thrives in warm climates and prefers moist, well drained soil for optimal growth. Allamanda bushes are fast growing and semi climb in an upright growing habit.