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Costus erythrophllus, Blood Red Spiral Costus, is a herbaceous perennial, clumping tropical plant that is a great foliage plant for tropical and sub tropical areas. It has distinctive dark green, almost black leaves, with dark burgundy undersides. It has pink and red striped flowers. It is suitable for tropical to sub tropical areas, and warm temperate areas, as it is not frost tolerant. It will grow into a large clump.
Costus like a humus rich, well drained soil, and regular watering. It likes a part shade postion.
Flower colour: pink and red
Flowering season: spring summer autumn
Maximum height: 2 metres
Minimum height: not specified
Maximum width: 2 metres
Minimum width: not specified
Will tolerate partial sunlight.
Light frost tolerance.
Plant is salt tolerant.
This plant species will grow in the following climates: temperate, subtropical, tropical.
Loam: moist, well-drained.
Clay: moist, well-drained.
Soil pH: 6.0-6.5
Red spider mite
Planting season: Any.
Types of fertiliser: Good general purpose fertiliser.