How to Grow Cockspur Coral Tree
iNaturalist
Cockspur Coral Tree
Erythrina crista-galli
shrubA deciduous to semi-evergreen shrub native to South America, known for its spectacular bright red, curved flowers that resemble a rooster's comb. The plant can reach 10-15 feet tall and produces compound leaves with thorny stems. It's a striking ornamental that attracts hummingbirds and is drought-tolerant once established.
When should you plant Cockspur Coral Tree in your zone?
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Example Cockspur Coral Tree timeline · Pittsburgh, PA (Zone 6b)
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Plant Cockspur Coral Tree
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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Harvest Cockspur Coral Tree
Late summer into fallBefore the first fall frost (≈ Nov 8)
Sample dates for Pittsburgh, PA. Sign up to get exact Cockspur Coral Tree dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in USDA zones 9-11; can survive zone 8b with winter protection
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Get my Cockspur Coral Tree timeline →Growth Stages
Establishment
6-12 monthsYoung plant developing root system and initial woody stems with thorns
Water regularly until established (6-12 months). Stake if necessary for wind protection. Mulch to retain moisture.
Vegetative Growth
Spring through summerPlant develops compound leaves and extends height and width; thorny branches become more prominent
Prune to shape after flowering or in late winter. Thin crowded growth. Fertilize monthly during growing season.
Pre-flowering
2-4 weeks before bloomBranch tips begin to swell with flower buds; plant may lose some leaves as buds form
Reduce watering slightly. Avoid excess nitrogen fertilization. Ensure adequate sunlight exposure.
Flowering
Late spring to summer (May-July in Northern Hemisphere)Spectacular curved red (occasionally orange or bicolor) flowers appear in dense racemes at branch tips; flowers attract hummingbirds
Deadhead spent flowers to encourage prolonged blooming. Maintain moderate watering. Enjoy! Typically lasts 4-8 weeks.
Post-flowering & Dormancy
Late summer through winterFlowers fade, seed pods may develop. Plant gradually loses leaves in cooler climates, going dormant in winter
Allow plant to rest in winter. Minimal watering. Withhold fertilizer. Prune in late winter before new growth emerges.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Spray with water to dislodge; use neem oil or miticide if severe. Increase humidity slightly.
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Hand-remove; apply horticultural oil or insecticidal soap in early morning
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Remove affected flowers; use neem oil spray; attract beneficial insects
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Dab with rubbing alcohol on a cotton swab; spray neem oil; improve air circulation
Uses
Traditional South American Medicine
CulinaryErythrina species have been used in traditional medicine of South America and other regions for potential sedative and anti-inflammatory properties. Various plant parts were historically prepared as infusions or decoctions. [source]
Hummingbird Magnet
WildlifeThe bright red, tubular flowers are highly attractive to hummingbirds and other nectar-feeding birds. The abundant nectar production makes this an excellent choice for wildlife gardens. [source]
Ornamental Landscape Feature
HouseholdOne of the most stunning ornamental flowering shrubs for warm climates, providing dramatic seasonal color and architectural interest. Makes an excellent focal point in xeriscapes and tropical gardens. [source]
Cut Flower Arrangements
CraftThe striking red flower spikes are prized for tropical and exotic flower arrangements in floristry. Flowers hold reasonably well in water and add dramatic visual impact. [source]
Alkaloid Research
MedicinalErythrina species contain alkaloids that have been studied for potential pharmacological applications, including anti-tumor and neuroprotective properties in scientific research. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
This is an ornamental shrub grown for flowers rather than harvest. Cut flowers last 1-2 weeks in a vase. Harvest flowers in early morning when fully open for best vase life. Seed pods can be collected in fall if desired for propagation.
Fun Facts
- 🌱 The name 'crista-galli' means 'rooster's comb' in Latin, referring to the distinctive curved shape of the brilliant red flowers that resemble a rooster's head
- 🌱 In South America, particularly Argentina and Brazil, this plant holds cultural significance and is used in traditional medicine practices dating back centuries
- 🌱 Erythrina crista-galli is the national flower of Argentina, where it is called 'Ceibo' and features prominently in the country's cultural identity and artistic traditions
Gardening Terms
New to gardening? Learn about terms used in this guide:
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