Spiral flag
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CostusVARIETIES: Stepladder plant - C. malortieanus, also called C. elegans and C. zebrinus Spiral flag - C. sanguineus MAXIMUM HEIGHT: 2 - 3 feet SUBSTRATE: 1 part loam, 1 part peat moss or leaf mold, 1 part sharp sand. To each gallon pailfull of this mixture add: - 1½ teaspoons of 20% superphosphate - 1 tablespoon of ground lime-stone - 2 teaspoons of 5-10-5 fertilizer. OR! use general all purpose potting soil LIGHT: Bright indirect sunlight. Or more than 400 foot-candles of artifical light. TEMPERATURE: Night = 65 - 70°F (18 - 21°C) Day = 75 - 85°F (24 - 29°C) WATERING: Keep soil moist at all times. FERTILIZING: Wait 4 - 6 months to fertilize new plants, Mature plants - fertilize at 3 - 4 month intervals. PROPAGATING: Propagate from stem cuttings at any season. Or by dividing roots in early spring. REPOTTING: Early spring. |
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