Polystichum
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PolystichumVARIETIES: Soft-shield fern - P. setiferum, also called P. angulare Tsussima holly fern - P. proliferum, P. tsus-simense, also called Aspidium tsus-simense MAXIMUM HEIGHT: Soft-shield - 12- 18 inch fronds. Tsussima - 12 inches. SUBSTRATE: 1 part loam, 1 part peat moss or leaf mold, 1 part sharp sand. OR! use general purpose potting soil. Do not add fertilizer. LIGHT: Prefers shadowless light of a north window. Or where only artificial light is available, provide 150 foot-candles. TEMPERATURE: Night = 50 - 55°F (10 - 13°C) Day = 68 - 72°F (20 - 22°C) WATERING: Keep the soil barely moist at all times. FERTILIZING: Wait until the following spring to fertilize unestablished plants. Mature plants - fertilize every 2 weeks from early spring to midsummer using standard house plant fertilizer diluted to half of its recommended strength. PROPAGATING: Propagate in early spring by dividing the roots, from spores, or replanting tiny plantlets. REPOTTING: Early spring. |
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