Allamanda blanchetii (purple allamanda, violet allamanda; syn. Allamanda violacea) is a species of perennial flowering plant in the family Apocynaceae native to Brazil. Cultivated as an ornamental plant, it grows in full sun in USDA Zones 9b through 11 including central and south Florida, southernmost Texas, and coastal California. This plant's purple, bell-shaped blooms are about 3" across. It is also called red bell. Fiber is extracted from stalk with high strength and silky white after chemical treatment.
Purple allamanda shows strong resistance to disease and is typically unlikely to develop problems. With regard to care, this plant is fairly low maintenance. When grown outdoors it needs only light watering, and larger specimens usually do not require pruning. Smaller plants, however, should be pruned after they finish blooming. Purple allamandat is appropriate for anyone who has an outdoor area, such as a garden or deck, and it does not call for extensive care experience.
How to keep Allamanda Violacea.
Light
The purple allamanda prospers in areas drenched in sunlight, which supports its bright purple flowers. Native to regions with plentiful sunshine, it has adapted over generations to those conditions. Insufficient light can hinder its development and lead to drooping leaves. Still, it withstands strong sun exposure without damage.
Temperature
The purple allamanda originates from habitats with temperatures between 41 and 89.6 °F (5 to 32 ℃). It performs best within that temperature range. Care may need seasonal modification to preserve these temperatures, particularly during colder periods.
Fertilizer
Timing is essential when fertilizing Purple allamanda. Fertilize in early spring and continue monthly until early summer. Fertilizer promotes attractive blooms and supplies energy during both dormant periods and active growth.
Botanical profile.
- Plant Type
- Vine, Shrub
- Life Cycle
- Perennial
- Genus
- Allamanda
- Family
- Apocynaceae
- Hardiness Zone
- 5-8
- Mature Height
- 3.96 m
- Mature Spread
- 2.44 m
- Leaf Color
- Green
- Leaf Type
- Evergreen
- Flower Color
- Purple, Pink
- Flower Size
- 7.62 cm to 10.16 cm
- Bloom Time
- Mid summer, Late summer
- Planting Time
- Spring, Autumn
- Harvest Time
- Mid summer, Late summer, Early fall
- Native Area
- Brazil
Other names.
