Orange Lily
Also known as
Fire Lily, Bulbiferous Lily, Orange-red Lily
Keep this plant’s care guide close at hand.
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Lilium bulbiferum, commonly called the Orange Lily, is a hardy European lily prized for its vivid, upright blooms and ease of propagation. Plants arise from scaly bulbs and reach 40–120 cm tall, bearing sturdy stems with lanceolate leaves arranged alternately or in loose whorls. In early to mid-summer, terminal clusters of upward-facing, rich orange flowers open, often lightly speckled and usually unscented, drawing bees and other pollinators. The nominate variety (var. bulbiferum) produces distinctive dark bulbils in upper leaf axils, enabling effortless clonal increase, while var. croceum lacks bulbils but flowers similarly. In nature it favors well-drained, often calcareous soils in open meadows, grasslands, and woodland margins across the Alps and adjacent ranges. In gardens it thrives in full sun with consistent moisture during active growth, followed by a drier rest once foliage yellows. Reliable in temperate climates, it provides strong vertical accent, vibrant color, and excellent cold hardiness for borders and naturalistic plantings.
Taxonomy
Properties & Requirements
How to care for Orange Lily
Water
Keep soil evenly moist from shoot emergence until about two weeks after flowering, supplying roughly 2.5 cm of water weekly from rain or irrigation. Water early in the day at the base to keep foliage dry and reduce botrytis. Allow the top 2–3 cm of soil to dry slightly between waterings; never allow bulbs to sit in saturated conditions. In dormancy (after foliage yellows), reduce watering sharply, giving only enough to prevent desiccation—especially important for bulbs grown in containers.
Light
Provide full sun (6–8+ hours daily) in cool to temperate climates for sturdy stems and maximum bloom. In hotter regions or reflective sites, offer morning sun with light afternoon shade to reduce heat stress and prolong flowers. Early sun helps dry dew and discourages fungal disease. Excess shade causes lanky growth, fewer flowers, and increased susceptibility to botrytis. Avoid deep shade beneath dense trees; bright, open exposures with free air flow are ideal.
Nutrients
Feed at shoot emergence with a balanced, slow-release fertilizer (e.g., 10-10-10) or a top-dressing of compost. Switch to a lower-nitrogen, higher-potassium feed (e.g., 5-7-10 or tomato fertilizer) as buds form to strengthen bulbs and flowers. Avoid fresh manure and do not overfeed; salts burn sensitive roots. In containers, use half-strength liquid feed every 2–3 weeks during active growth and flush the medium occasionally. Stop fertilizing once petals drop and allow foliage to senesce naturally.
Temperature
Hardy in USDA Zones 4–8, Orange Lily tolerates winter lows to around −30°C (−22°F) provided drainage is excellent. It prefers cool to mild summers (approximately 15–25°C/59–77°F) and benefits from mulch to keep roots cool. A winter chill is required for reliable rebloom. In hot regions, protect from excessive root heat and ensure good air movement. Shield tender shoots from late hard frosts with light cover, and avoid waterlogged soils during cold spells to prevent bulb rot.
