Rhodanthemum arundanum

Rhodanthemum arundanum is a perennial herbaceous plant belonging to the Asteraceae family. It is recognized as a hardy species, often used in ornamental horticulture for its ability to produce striking daisy-like flowers and textured, silver-gray foliage throughout the growing season.

The plant originates from the mountainous regions of the Iberian Peninsula, particularly in southern Spain. This geographic background explains its adaptation to harsh, rocky substrates and high-exposure environments, making it a reliable choice for gardens with challenging soil conditions.

Botanically, it forms dense mats or small bushes characterized by finely dissected, pubescent leaves that retain their ornamental value even when not in flower. The inflorescences are typical capitula with white ray florets surrounding a prominent yellow disc, providing a classic, clean appearance.

Agronomically, this species demands well-drained, gritty soils and full sun exposure. It is highly drought-tolerant once established, meaning it requires minimal irrigation. Over-fertilization should be avoided, as the plant prefers leaner, mineral-rich soils to maintain its compact and natural habit.

The primary use for this species is in landscape architecture, specifically for rock gardens, gravel beds, and xeriscaping. Common issues include root rot caused by stagnant water in winter and susceptibility to sap-sucking insects during unusually hot and stagnant weather conditions.