Erythrina bidwillii (Indian Coral Tree)

Erythrina bidwillii deep red flower close up on a slender brown branch

Erythrina bidwillii branch with deep red tubular flower clusters against blurred foliage

Botanical name: Erythrina bidwillii

Common names: Indian Coral Tree, Bidwell's Coral Tree

Family: Fabaceae

Subfamily: Faboideae

USDA Zone: 8-11

Plant form: Large bush or small tree

Mature height: 10-20 ft

Sun exposure: Full sun or bright light indoor

Cold tolerance: Tolerates light freezing to about 30°F for short periods (mature plants). Young plants must be protected.

Watering: Moderate

Flower color: Red, crimson, vinous

Suitable for: Outdoors in the suitable USDA zone; small gardens, containers, and indoor growing

Thorns: Thorny or spiny

Wildlife: Attracts butterflies and hummingbirds

It will remain as a large shrub in cold climates approximately 5 to 10 ft. tall, growing as a small tree if provided protection from cold temperatures. Erythrina bidwillii prefers full sun to light shade and requires moderate water. It has a thorny trunk, and many of the stems bear large spines or thorns. This Indian Coral Tree is incredibly fast-growing, and can provide an instant impact to any landscape.

The foliage and bark are very ornamental. The plant is also very tolerant of urban pollution. This plant attracts hummingbirds and butterflies and is considered deer resistant. It displays abundant clusters of red, crimson, or vinous flowers during the summer months.

It is best grown in USDA Zones 8-11. Erythrina bidwillii may be grown in a container in cold regions. It is best to keep this plant on the dry side during the winter months and should be brought indoors when temperatures in the 20s or lower are forecasted. During the winter months, the pot should be placed in a cool spot, out of direct sunlight, and be kept lightly moist until the plant is ready to begin growing in the spring. In the summer, the plant will require regular watering and fertilizing. With regular watering and fertilizing, it will produce a larger, more profuse flowers.