Costus woodsonii
Costus woodsonii Maas
Red Button Ginger is a compact tropical perennial with spiraling leaves and vibrant red cone-shaped inflorescences. Its unique edible orange flowers emerge from glossy red bracts, making it a standout in tropical gardens.
Costaceae (Spiral ginger family)
Late winter to early spring, can bloom year-round in tropical climates
Symbolism & Meanings
Key Meanings
Perfect For
Color Meanings
Similar flowers: sky flowers and sunflowers also share similar meanings.
Cultural Significance
Named after Robert Woodson of the Missouri Botanical Garden, Red Button Ginger is one of the most widely cultivated spiral gingers. Its unique spiral leaf arrangement and vibrant blooms make it a symbol of tropical paradise. The plant has naturalized in Hawaii where it became a popular ornamental, though it is considered invasive in some areas. The edible flowers add to its cultural value, bridging ornamental and culinary traditions. Its extrafloral nectar attracts ants that protect it from herbivores, demonstrating fascinating plant-insect mutualism.Shop Our Floral Collection
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Physical Characteristics
Natural Habitat
Growing Guide
Sunlight
Partial shade to filtered light, tolerates full sun in humid climates
Water
Regular moisture, prefers consistently moist soil but avoid waterlogging
Soil
Well-drained, Rich in organic matter, Sandy loam, Fertile, Slightly acidic to neutral (pH 6.0-7.0)
Expert Growing Tips
Plant rhizomes in rich, well-draining soil
Mulch to maintain soil moisture and moderate temperature
Fertilize regularly during growing season
Stop blooming if temperatures drop below 50 degrees F (10 degrees C)
Protect from frost; mulch heavily in zones 8-9 for winter protection
Avoid wetting foliage when watering to prevent fungal issues
Propagate by division of rhizomes or stem cuttings
Water more during warm weather, less during cold periods
Uses & Benefits
Ornamental Uses
- Tropical landscape accent
- Container plant for patios and conservatories
- Mass plantings and borders
- Coastal gardens (salt tolerant)
- Indoor plant in bright locations
- Cut flower arrangements
Traditional Uses
- Used in traditional medicine for treating inflammations
- Applied for stomach disorders in some cultures
- Flowers attract beneficial insects that protect the plant
Disclaimer: Information provided is for educational purposes only. Consult healthcare professionals before using any plant medicinally.
Further Reading
Frequently Asked Questions about the Costus woodsonii
Is red button ginger edible?
Yes, the yellow-orange flowers that emerge from the red bracts of Red Button Ginger are edible. The flowers have a mild flavor and can be eaten fresh or used as a garnish.
How do you care for Costus woodsonii?
Red Button Ginger needs partial shade to filtered light, rich well-draining soil, and regular watering. It thrives in warm humid conditions and stops blooming if temperatures drop below 50 degrees F.
Why are they called spiral gingers?
Plants in the Costus genus are called spiral gingers because their leaves are arranged spirally around the stem in a distinctive one-sided pattern, unlike true gingers.
Can red button ginger grow indoors?
Yes, Red Button Ginger can be grown indoors in bright, indirect light with high humidity. Container-grown plants may not bloom as profusely as outdoor specimens but still provide attractive foliage.
Available Colors
Quick Facts
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