Also known as Black Arum · Black-Calla · Priest's Hood
Safety note: This plant may be toxic to humans and pets. See toxicity details.
Palestine arum (Arum palaestinum) is a striking perennial with large, arrow-shaped leaves and a distinctive spathe and spadix. Native to the Mediterranean region.
At-a-glance light, water, soil, and growing conditions from plant data
Partial Shade
50% intensity
Prefers dappled shade or morning sun. Avoid intense, direct afternoon sun, which can scorch the leaves.
Moderate
50% intensity
Allow soil to dry slightly between waterings during growth, reduce significantly during dormancy.
Well-drained, fertile soil
50% intensity
Moderate
50% intensity
Grows best in temperatures between 15-24°C during active growth. Can tolerate cooler temperatures but should be protected from frost.
Outdoor
50% intensity
Low
25% intensity
Feed sparingly with a balanced liquid fertilizer during active growth. Avoid over-fertilizing.
Safety information from plant toxicity data
| Attribute | Value |
|---|---|
| Toxic for humans | Yes 5/5 intensity |
| Toxic for pets | Yes 5/5 intensity |
| Edible | No |
All parts contain calcium oxalate crystals, which can cause irritation and swelling if ingested or touched.
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Water moderately during its active growth period (spring and autumn), allowing the soil to dry out slightly between waterings. Reduce watering significantly when the plant enters dormancy in summer and winter.
Ensure good drainage to prevent root rot.
Remove spent flower spathes and any yellowing or dead foliage as it appears to maintain a tidy appearance and prevent disease. Pruning is generally minimal for *Arum palaestinum*, primarily focusing on aesthetic cleanup.
Propagate by division of tubers in late summer or early autumn when the plant is dormant. Carefully separate the offsets and replant them in well-draining soil.
Seed propagation is possible but slower and less common for home gardeners.
Repot every 2-3 years, or when the tuber outgrows its container, typically in late summer or early autumn. Use a well-draining potting mix, such as a blend of peat, loam, and perlite.
Ensure the new pot offers adequate space for tuber expansion.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Palestine Arum (Arum palaestinum)
Where Palestine Arum (Arum palaestinum) is found
Density
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Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Liliopsida |
| Order | Alismatales |
| Family | Araceae |
| Genus | Arum |
| Species | Arum palaestinum |
Similar in genus Arum
Answers based on plant encyclopedia data
