
Coral Bean
Erythrina herbacea
Basic Information
πΏ Family: FabaceaeπΊοΈ Zone: 7-10
Other Names:
- Cherokee Bean
- Cardinal Spear
- Red Cardinal
π‘οΈ Ideal Temperature : 60Β°F β 85Β°F
π₯ Heat Tolerance: Up to 95Β°F
βοΈ Cold Tolerance: Down to 10Β°F
π± Type: Perennial
Layers
- Shrub
Functions
- Edible
- Medicinal
- Wildlife Attractor
- Erosion Control
- Border Plant
Pests
No pests associated with this plant.
Companions
- Pine
- Oak
- Magnolia
Plants to Avoid
- None documented
Description
Coral Bean (*Erythrina herbacea*) is a deciduous to evergreen shrub native to the southeastern United States. It typically grows between 0.9 to 6 meters (3 to 20 feet) tall, featuring thorny stems and trifoliate leaves with arrowhead-shaped leaflets. The plant produces striking scarlet tubular flowers arranged in elongated clusters, which bloom from spring to early summer and are highly attractive to hummingbirds and butterflies. Following the flowering period, it develops seed pods containing bright red seeds. Coral Bean thrives in sandy, well-drained soils and is commonly found in open woodlands, coastal hammocks, and disturbed areas.
βοΈπ« Methods to Propagate:
- **Seeds:** Collect seeds from mature pods and plant them in well-draining soil. Scarification or soaking may improve germination rates.
- **Cuttings:** Semi-hardwood cuttings can be taken during the growing season and rooted in a moist, well-draining medium.
ππ§ Sun and Water Requirements:
- **Sun:** Prefers full sun to partial shade.
- **Water:** Drought-tolerant once established but benefits from regular watering during prolonged dry periods.
π§βπΎπ©βπΎ When to Harvest:
- **Seeds:** Harvest mature seed pods in late summer to early fall when they turn brown and begin to split open.
Purpose
- **Edible:** While the seeds are toxic if ingested, the flowers have been used in traditional Central American cuisine, added to soups and patties for their mild narcotic properties.
- **Medicinal:** Various Native American tribes have utilized parts of the plant for medicinal purposes, such as treating bowel pain, digestive issues, and rheumatic disorders.
- **Wildlife Attractor:** The vibrant flowers provide nectar for hummingbirds, butterflies, and bees, supporting local pollinator populations.
- **Erosion Control:** The extensive root system helps stabilize soil, making it useful for erosion control on slopes and disturbed sites.
- **Border Plant:** Its striking appearance and thorny stems make it an excellent choice for natural fencing and as a deterrent for unwanted foot traffic.