Italian arum (Arum italicum)

Also known as: Large cuckoo pint

Italian arum, originally from the Mediterranean, is often grown as an ornamental plant and has become naturalized in areas such as North America, the Caucasus, and Argentina. The plant's berries and leaves are toxic and should not be ingested, as they can cause significant health issues. It's important to handle the plant with care and keep it out of reach of children and pets.

In This Article

Care Tips Water Sunlight Temperature Soil Fertilize Prune Propagation Repotting Toxicity

Attributes of Italian arum

Lifespan

Perennial, Annual

Plant Type

Herb

Plant Height

30 cm to 46 cm

Spread

50 cm

Leaf Color

Green Variegated White Silver

Flower Size

15 cm to 33 cm

Flower Color

White Yellow Green Cream

Images of Italian arum

Quickly Identify Italian arum

Arrow-shaped, dark green leaves with silver-gray veining

Flowers with pale to dark yellow or dull brown spadix and white spathe with purplish edges

Distinctive orangish-red berry clusters measuring up to 1 inch (2.5 cm) in diameter

Leaves reaching up to 12 inches (30 cm) in length and 6-8 inches (15-20 cm) in width

Distinct odor resembling stale urine emitted by flowers

Scientific Classification of Italian arum

Phylum

Vascular plants

Class

Monocotyledons

Order

Alismatales

Family

Arum

Genus

Arum lilies

Species

Italian arum

Planting and Growing of Italian arum

Care Difficulty

Easy

Watering Schedule

Every 2 days

Sunlight Requirements

Partial sun

Sunshine Duration

4-8 hours

Ideal Temperature

60-75℉

Soil Type

Potting Mix, Peat Mix

Soil pH

6.5-7.5

Fertilizer Type

Balanced

Pruning Season

Spring, Summer

Pruning Area

Branches, Leaves

Pruning Frequency

2 times a year

Repotting Season

Spring

Pot Type

Plastic, Terracotta

How to Water Italian arum?

Arum italicum prefers moist but not soggy soil. Ensure that each watering session delivers about 500 milliliters directly to the base of the plant. Make sure the soil is evenly moist but drains well to prevent water from pooling at the roots, which can lead to rot. It's best to water thoroughly until the water seeps through the drainage holes of the pot, allowing the plant to naturally absorb what it needs.

What are the symptoms of an underwatered Italian arum? ›

What should I do if my Italian arum is not getting enough water? ›

What are the symptoms of an overwatered Italian arum? ›

How to save an overwatered Italian arum? ›

What Are the Sunlight Requirements for Italian arum?

Sunlight Requirements: Partial sun, Full shade

Duration of light: 2 to 6 hours daily

Partial sun or full shade is ideal for Arum italicum, promoting lush growth and vibrant leaf color when sunlight is controlled and filtered appropriately.

What is the ideal lighting for Arum italicum? ›

How can you achieve this lighting condition? ›

What are the benefits of ideal lighting for Arum italicum? ›

What Is the Ideal Temperature Range for Italian arum?

Ideal Temperature: 60 ~ 75℉

The ideal temperature range for growing Arum italicum is between 60°F and 75°F. Providing this temperature range encourages optimal growth as it mimics the plant’s native habitat conditions in Southern Europe and Mediterranean regions. Within this range, Arum italicum can thrive, ensuring healthy foliage and development.

What Soil is Best for Italian arum?

Soil type: Loam, Sandy loam

Soil PH: 6.5 ~ 7.5

Arum italicum thrives best in well-drained soil to prevent waterlogging and root rot. Ensuring proper drainage allows roots to access oxygen, promoting healthy growth and lush foliage. While preventing waterlogging, it is also beneficial to have soils that retain some moisture. This helps maintain a consistently damp environment, crucial for Arum italicum, especially during dry spells. Adding organic matter such as compost can enrich the soil, providing essential nutrients that encourage robust growth and enhance the plant's natural defense mechanisms against pests.

How to Fertilize Italian arum?

Fertilizer type: Balanced

For Arum italicum, the fertilizer should be neither too concentrated nor too weak. Use a balanced, water-soluble fertilizer diluted to half-strength. This ensures the plant gets sufficient nutrients without risking root burn. Each application should be about 200 ml for a medium-sized plant, applied evenly over the root area.

How to Prune Italian arum?

Pruning Time: Spring, Autumn

Begin by selecting a sharp and sterilized pair of pruning shears to prevent disease transmission. Remove any dead or damaged leaves at the base, cutting close to the ground for a clean look. Thin out overcrowded areas to enhance air circulation and light penetration, which promotes healthier growth.

How to Propagate Italian arum plant?

Propagate Time: Early spring, Late spring

Begin by collecting Arum italicum seeds after they have ripened. Clean the seeds and sow them in a potting mix, covering them lightly with soil. Maintain consistent moisture to encourage germination.

For division, gently dig up a clump of Arum italicum, ensuring you have a shovel to avoid damaging the roots. Use a clean knife to separate the rhizomes and plant them in new locations in well-prepared soil.

Once seeds have sprouted, provide adequate sunlight and water. Keep an eye for pests and use organic methods to keep them at bay. This stage requires patience as the seedlings establish.

How to Repot Italian arum plant?

Repotting frequency: Every 2-3 years

Arum italicum should be repotted in spring when signs like restricted growth, roots circling the pot, or waterlogged soil appear. This ensures optimal growth and health for the plant.

Select a pot slightly larger than the current one with good drainage. A large pot prevents waterlogging and supports root health, enhancing the plant's stabilization and nutrient access.

Use a well-draining potting mix with organic matter to retain moisture yet offer adequate drainage. This prevents root rot and provides the necessary nutrients for healthy plant growth.

Toxicity of Italian arum

Is Italian arum toxic to humans?

The Italian arum is a plant that possesses calcium oxalate crystals in all of its parts, which renders it extremely poisonous and potentially lethal if consumed. Touching its leaves can lead to skin irritation. Consuming any component of the Italian arum may cause significant swelling of the tongue and throat, respiratory distress, and possibly death. It is advisable not to plant this species in areas frequented by children, as its vibrant orange flowers resemble enticing edible berries.

Is Italian arum toxic to cat?

Italian arum is harmful to cats. Felines can become poisoned by accidentally consuming any portion of the plant. This exposure may result in serious symptoms, such as irritation of the mouth, excessive drooling, vomiting, and trouble swallowing. These reactions can be quite distressing and may result in additional complications if not treated without delay. Pet owners who notice these symptoms should urgently consult a veterinarian to manage the toxicity and safeguard their cat's health.

Is Italian arum toxic to dog?

The Italian arum is a plant that poses a considerable threat to dogs because of its toxic properties. Accidentally ingesting any portion of this plant can lead to poisoning, as every section is harmful. Symptoms of poisoning in dogs typically include vomiting, diarrhea, excessive drooling, and trouble swallowing. In severe instances, consuming this plant can result in more dire repercussions, such as swelling around the mouth, respiratory issues, or even kidney failure. Therefore, it is essential for dog owners to remain alert and keep their pets away from Italian arum. If there is a suspicion that a dog has consumed Italian arum, it is crucial to obtain immediate veterinary assistance to secure the best possible outcome for the affected animal.

WARNING

The judgment on toxicity and danger is for reference only. We DO NOT GUARANTEE any accuracy of such judgment. Therefore, you SHALL NOT rely on such judgment. It is IMPORTANT TO SEEK PROFESSIONAL ADVICE in advance when necessary.