Italian Arum (Arum italicum)

Italian Arum

Arum italicum

Its glossy arrow-shaped leaves add dramatic texture to shaded beds. Deciduous herbaceous perennial; common name: Italian arum.

Partial sun
1/week
Moderate
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Plant Needs

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Sunlight Dappled shade or gentle morning sun; avoid harsh midday sunlight which can scorch foliage
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Watering Water deeply when the top 5 cm of soil feels dry; avoid waterlogging to prevent root rot
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Temperature Thrives in cool temperate conditions; tolerates brief light frost down to -5°C during dormancy
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Characteristics

  • Leaf: Glossy arrow-shaped basal leaves with pale veining, emerging in autumn and persisting through winter
  • Flower: Pale green hooded spathe enclosing a bright yellow spadix; blooms in early spring
  • Fruit: Clusters of bright red berries form atop bare stalks after foliage dies back in summer
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Care Guide

Watering

Keep soil evenly moist during active growth and berry development

Fertilization

Apply diluted balanced liquid fertilizer once monthly during active growth. Avoid high-nitrogen fertilizers which can promote excessive foliage growth at the expense of blooms

Composted banana peel tea:Steep fully composted banana peels in water for 3 days; dilute 1:20 for root drench to avoid nutrient burn and odor
Pruning
  • Remove yellowing foliage in late summer as the plant enters dormancy
  • Cut back spent berry stalks to prevent unwanted self-seeding in garden beds
  • Divide overcrowded clumps every 3–4 years in autumn to maintain plant health
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Toxic; ingestion leads to oral pain, drooling, vomiting, and difficulty swallowing

Humans: Contains calcium oxalate crystals; ingestion causes oral irritation, swelling, and nausea

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental ground cover for shaded woodland gardens; berries are toxic and should be kept away from children and pets