Arisarum × aspergillum Dunal

• Genus: Arisarum
• Botanical Background: Described by the botanist Dunal, this hybrid reflects ongoing botanical interest and study, representing both natural variation and horticultural experimentation within the aroids.

• Geographical Range: Native to select areas of the Mediterranean basin, typically found in regions with a mild climate.
• Environment: Thrives in shady, woodland settings with well-draining, organically rich soils. Moderate humidity and mild temperatures are ideal for its growth.

Leaves

• Arrow-shaped with a moderate size, displaying a textured surface and a natural variegation of green hues
• Offer an attractive pattern that complements the plant’s overall aesthetic

Inflorescence (Spadix & Spathe)

• Spadix enclosed by a curved spathe, presenting subtle coloration with mottled details
• While not strongly scented, it is structured to attract specific pollinators

Growth Habit

• Terrestrial aroid grows from a robust rhizome, forming a compact clump that can be divided for propagation

Light Requirements

• Prefers bright, indirect light, making it suitable for indoor settings or shaded outdoor gardens

Watering & Humidity

• Regular watering, ensuring the soil remains moist but never waterlogged
• High humidity levels further promote healthy growth

Soil & Potting Mix

• A well-draining mix enriched with organic matter
• Ideally in a container that supports root development

Temperature & Fertilizer

• Maintain temperatures between 65–75°F (18–24°C)
• Light, balanced feeding during the active growing season is sufficient to encourage robust growth

Division and Cuttings

• Rhizome division during the spring, ensuring that each segment includes active buds for continued growth

Seeds

• Requires specific stratification conditions to enhance germination success

Typical Issues

• Spider mites and mealybugs
• Overwatering can lead to fungal issues like root rot

Treatment Recommendations

• Address infestations with insecticidal soap or neem oil.
• Prompt removal of affected areas can help prevent the spread of disease

• Valued for its unique blend of wild heritage and cultivated traits

• Unusual inflorescence and decorative foliage make it a prized specimen for specialized indoor collections and garden displays

Wild Population Status

• Wild populations are monitored due to changing habitat conditions in its native range

Market Availability

• Generally available through specialist nurseries and plant societies, though it remains somewhat rare in mainstream cultivation