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PlantSnap
Plant Care
Malortie spiral ginger
(Costus malortieanus)
Also Known As
Malortie spiral ginger, Malortie's costus, Insulin plant
About This Plant
Costus malortieanus is a tropical perennial plant species that is native to Ecuador and Peru. It is a member of the Costaceae family and is known for its ornamental value due to its showy, bright red inflorescences that emerge from yellow bracts.
Plant Care Instructions
Outdoor Size Range
36-60 inches (90-150 cm)
Light Requirements
Costus malortieanus requires bright, indirect light to thrive. It can tolerate some direct sunlight, but too much can scorch the leaves.
Humidity Needs
Costus malortieanus prefers high humidity levels, around 60-70%. It can benefit from regular misting or placing a humidifier nearby.
Fertilizing Schedule
Costus malortieanus benefits from regular fertilization during the growing season, using a balanced fertilizer every two weeks. It can also benefit from organic fertilizers such as compost or worm castings.
Pruning Guidelines
Pruning is not necessary for this plant species, but it can benefit from removing any dead or damaged leaves to promote new growth.
Common Pests and Diseases
Common pests for Costus malortieanus include spider mites, mealybugs, and scale insects. It can also be susceptible to root rot if overwatered.
Indoor Size Range
12-24 inches (30-60 cm)
Watering Schedule
This plant species prefers consistently moist soil, but not waterlogged. Watering once or twice a week is usually sufficient, but this can vary depending on the humidity levels and temperature.
Temperature Range
This plant species prefers temperatures between 65-85°F (18-29°C). It can tolerate slightly cooler temperatures, but not below 60°F (15°C).
Growing Season
The growing season for Costus malortieanus is from spring to fall.
Growing Difficulty Level
Costus malortieanus is considered moderately difficult to grow due to its specific requirements for light, humidity, and temperature.
USDA Hardiness Zones
Costus malortieanus is not frost-tolerant and is best grown in USDA hardiness zones 10-12.
Did You Know?
The Red Button Ginger is also known as the 'Scarlet Spiral Flag' due to the spiral arrangement of its leaves around the stem.
