Description for Allamanda Creeper, Pentalinon luteum (Yellow) Plant height: 15 - 23 inches Plant spread: 3 - 5 inches As shrub Allamanda grows very thick and gets covered with yellow bell-shaped 3 to 4 inches long blooms in growing season. Although it does not have tendrils to climb but provided support can grow as vine too. Common name(s): Golden trumpet vine Flower colours: Yellow Bloom time: Spring, Summer, Fall, Winter Max reachable height: 4 to 6 ft Difficulty to grow: Easy Planting and care Allamanda is a bushy nature plant, the large-sized container is preferable as the plant gets heavy with the time. You may need to re-pot it every year. Regardless of size, make sure container has drainage holes at the bottom to ensure smooth drainage of water. Put stone or brick pieces on the holes. Sunlight: Full sun Soil: Soil pH 7.6 to 7.8 (mildly alkaline), Any good-quality