Erythrina Species, Fireman's Cap, Shrub Coral Tree

Erythrina bidwillii

Family
Fabaceae (fab-AY-see-ee)
Genus
Erythrina (er-ith-RY-nuh)
Species
bidwillii (bid-WIL-lee-eye)
Synonym
Erythrina x bidwillii
Erythrina corallodendron
Sun Exposure
Full Sun
Foliage
Deciduous
Height
20-30 ft. (6-9 m)
Spacing
4-6 ft. (1.2-1.8 m)
Hardiness
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)
Danger
Plant has spines or sharp edges; use extreme caution when handling
Bloom Color
Red
Bloom Time
Mid Summer
Late Summer/Early Fall
Mid Fall
Other Details
Category
Trees
Tropicals and Tender Perennials
Water Requirements
Drought-tolerant; suitable for xeriscaping
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Non-patented
Propagation Methods
From semi-hardwood cuttings
Seed Collecting
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Regional

This plant is said to grow outdoors in the following regions:

Phenix City, Alabama

Maricopa, Arizona

Tucson, Arizona

Oakland, California

Boca Raton, Florida

Mulberry, Florida

Ocoee, Florida

Palm Bay, Florida

Port Charlotte, Florida

Saint Petersburg, Florida

Brunswick, Georgia

Mcdonough, Georgia

Baton Rouge, Louisiana

Stonewall, Louisiana

Thibodaux, Louisiana

Pass Christian, Mississippi

Raleigh, North Carolina

Grenoble, Rhône-Alpes

Beaufort, South Carolina

Saint Helena Island, South Carolina

Arlington, Texas

Austin, Texas

Baytown, Texas

Dayton, Texas

Hondo, Texas

Houston, Texas

Lewisville, Texas

Missouri City, Texas

San Antonio, Texas

Temple, Texas

King George, Virginia

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Gardener's Notes:

8
positives
3
neutrals
0
negative
Sort By:
Sort By:
A
New Jersey 6b, NJ | November 2016 | positive

Flowering occurred earlier for the container plant. The one in ground flowered a little longer though, into late November. I pruned it m...Read More

C
ROSLINDALE, MA | August 2016 | neutral

"Erythrina × bidwillii is the scientific name for two different cultivars produced from hybridising Erythrina species at Camden Park Est...Read More

P
Richmond, TX | February 2015 | neutral

I live in Fort Bend County Tx, and I have had this little tree for about seven years. It is planted in a rather exposed location and has ...Read More

D
Dayton, TX | July 2010 | neutral

I've had the bidwillii in my garden now for 4 years. Its bloomed the first 2 years, but last year something seems to be eating the new gr...Read More

S
Katy, TX | May 2010 | positive

Houston, Zone 9. Have grown in group of 5 trees. Survived several days of freezing weather in 2009. Much new growth dies, so I cut back t...Read More

D
McDonough, GA (Zone 7b) | October 2007 | positive

I grow this plant on the south side of my house. It dies back in the winter but grows quickly after sprouting late in the spring. Hummi...Read More

J
z8a, AL (Zone 8a) | March 2007 | positive

Have grown this in 24" plastic pot for 3 years in Zone 8a. Beautiful plant and blooms constantly until our first freeze. Grows in full s...Read More

A
Missouri City, TX (Zone 9a) | September 2006 | positive

The flowers are the most amazing and intense red that you can imagine, the pictures I have taken to share w/ friends do not begin to do j...Read More

M
M
Harvest, AL | July 2004 | positive

This plant is spectacular; has spiny branches and stems, and brilliant green leaves formed by three oval-shaped pinnutes. The flowers lo...Read More

P
Acton, CA (Zone 8b) | July 2004 | positive

shrubby relatively hardy horticultural cross with dark scarlet flowers in mid summer.

A
Austin, TX (Zone 8b) | September 2003 | positive

Erythrina x bidwillii, according to several sources, a sterile hybrid between E. crista-galli and E. herbacea, does not produce viable se...Read More

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