Italian arum
Also known as
Italian lords-and-ladies, Winter arum, Orange candleflower
Keep this plantâs care guide close at hand.
Get the appAbout Italian arum
Arum italicum, commonly known as Italian arum, is a winter-green aroid native to the Mediterranean. It grows from a fleshy tuber, producing arrow-shaped, glossy leaves often handsomely marbled silver (var. marmoratum). Foliage emerges in autumn, persists through winter, and withers in late spring as the plant flowers. The inflorescence comprises a pale greenish spathe surrounding a creamy spadix, followed by showy upright clusters of orangeâred berries in early summer when the leaves are gone. Plants typically reach 25â45 cm tall in leaf; fruiting stems may be taller. Best in humusârich, moist but wellâdrained soils, it excels in shade to part shade, brightening dormant winter borders and woodland gardens. Italian arum is adaptable, longâlived, and can selfâsow; in some regions it becomes invasive, so site it responsibly and deadhead after bloom. All parts are toxic if ingested and may irritate skin, so wear gloves and keep away from children and pets.
Taxonomy
Properties & Requirements
How to care for Italian arum
Water
Water deeply after planting in autumn to settle soil. During active growth (autumn through spring), keep the root zone evenly moistâallow the top 2â3 cm to dry slightly between waterings. In summer dormancy, reduce sharply: in the ground, rely on rainfall unless drought is prolonged; in containers, give a light drink every 3â4 weeks to prevent the tuber from shriveling. Always provide sharp drainage and never leave pots standing in saucers of water.
Light
Prefers dappled shade to full shade, especially beneath deciduous trees where it enjoys bright winter light and summer protection. Morning sun is acceptable in cool climates, but avoid hot afternoon sun, which can scorch leaves. Indoors or on shaded patios, provide bright, indirect light near a north or east exposure. Deep shade is tolerated, though leaf markings may be less pronounced. In Mediterranean climates, prioritize shade from midâday onward and maintain mulch to keep roots cool.
Nutrients
Feed lightly: as a woodland geophyte, Arum italicum prefers nutrientârich leaf litter over heavy fertilizer. Each autumn, topâdress with 2â5 cm of compost or leaf mold to recharge soil and support winter growth. In containers, mix a slowârelease, balanced fertilizer (e.g., 5â5â5) into the medium in early fall, or apply a halfâstrength balanced liquid monthly from fall through early spring. Avoid highânitrogen or summer feeding, which can promote soft growth and waste nutrients during dormancy.
Temperature
Hardy in USDA Zones 5â9. Foliage thrives in cool conditions (roughly 35â60°F/2â16°C) and tolerates light to moderate frost; leaves may scorch in severe cold, but tubers usually survive with mulch. Summer heat triggers dormancy; plants cope with warm spells but resent prolonged >90°F/32°C in containers. In very cold climates, grow in pots you can plunge outdoors for winter display, then shelter when deep freezes threaten. Avoid placing against southâfacing walls that accumulate excessive heat.
