The Fire Lily stands out in any houseplant collection thanks to its spiralling foliage - and, when it flowers, its bright red tubular flowers. The flowers, in fiery orange-red tones, give it it common name, but even when not in bloom, this plant is striking. Its leaves spiral upwards from the central rhizome - a bulb-like structure - in thin, silver-green coils. Keep this plant happy with bright light but little sun, and not too much water, and it'll reward you with truly unique foliage and even, when it's really happy, bright blooms.
Scientific Name
Cyrtanthus spiralis (spiralling curved-flower plant)
Synonyms: Gastronema spirale, Monella spiralis
This species name was first published in 1817 and remains the accepted name.
Common Names
Fire Lily, Spiral Lily, Amaryllis, Spiral-Leaved Cyrtanthus
Origin
Native to South Africa, particularly found in the subtropical Cape Provinces.
Light
Thrives in bright, indirect light. While it can tolerate some direct sunlight, too much can scorch the leaves. Aim for bright light with a maximum of two hours of weaker morning or evening sun.
Water
Keep the soil moderately moist, allowing the top half to dry out between waters. During the growing season, ensure the plant is watered regularly, but reduce watering in winter.
Humidity
Average household humidity should be fine, but if you notice its leaves going crispy and brown at the edges, it will benefit from a pebble tray to increase local humidity.
Soil
Use a well-draining potting mix, with elements such as sand and zeolite, with some elements like coir to retain moisture. A mix designed for ferns will work well here. Repot in spring every few years or when the roots have filled the pot.
Food
Feed every four waters in spring and summer, reduce to every six in autumn and winter.
Temperature
Optimal temperatures range from 15-25°C. Don't let it get colder than 10°C in winter.
Pet Safety
Yes, this plant is non-toxic to pets, making it a safe choice for households with animals.
Sprouts Top Tips
To encourage blooming, provide plenty of light and avoid overcrowding in pots. After flowering, allow the foliage to die back naturally to nourish the bulb for next year’s growth.