Torch Lily, also known as Red Hot Poker, is a perennial herbaceous plant belonging to the genus Kniphofia in the Asphodelaceae family. Its flower shape and color resemble a burning torch, adding a unique charm to garden landscapes. Below are the methods and key points for cultivating Torch Lily:
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Soil: Soil selection is crucial for any plant, and Torch Lily is no exception. It is commonly grown outdoors or in pots. When potting, use deep, fertile soil with good drainage, preferably sandy soil, to facilitate nutrient absorption.
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Temperature: Torch Lily is relatively cold-resistant, capable of surviving in temperatures above 5°C during winter, and can even withstand environments as low as -20°C for short periods.
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Watering: Torch Lily requires regular watering for optimal growth. Delayed watering can lead to slow growth. It's essential to thoroughly water before the arrival of winter and cover with dry hay to prevent frost damage and death.
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Pruning: Regular pruning is essential during Torch Lily cultivation. Remove spent flower spikes promptly to prevent nutrient loss from the flowers.
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Fertilization: During Torch Lily's flowering stage, apply root external fertilization 2-3 times, preferably every 7-10 days, or use a 2% concentration of calcium superphosphate as soil fertilizer every 1-2 days to strengthen flower stems and prevent bending.
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Pest and Disease Control: The main disease affecting Torch Lily is rust. Use lime-sulfur mixture or spray with a 400-fold dilution of liquid sulfur to control rust disease.
Above are the cultivation methods and care points for Torch Lily. It thrives in sunny conditions, so ensure it receives ample sunlight for beautiful blooms.