No synonyms are recorded.

Aeonium decorum ‘Tricolor’ is a horticultural cultivar selected for its distinctive variegation. The parent species, Aeonium decorum, is native to the Canary Islands, particularly La Gomera and northeastern Tenerife, where it grows on rocky slopes and volcanic soils in a mild, relatively dry climate.

The genus name Aeonium derives from the Greek aiónion, meaning “eternal” or “long-lived,” referring to the hardy and enduring nature of these plants. The specific epithet decorum comes from Latin and means “decorated,” “ornamented,” as well as “elegant” or “beautiful,” highlighting the ornamental appearance of its foliage. Finally, the cultivar name ‘Tricolor,’ also of Latin origin, means “three-colored” and refers to the distinctive variegation of the leaves, which combines shades of green and cream with pinkish-red margins.

Aeonium decorum ‘Tricolor’ belongs to the genus Aeonium and to the family Crassulaceae. It is a perennial, evergreen succulent with an upright, shrubby growth habit, reaching up to about 40 cm (16 inches) in height. As it matures, it develops a branched structure composed of fleshy stems that gradually become woody at the base, taking on a brownish-gray color. At their tips, these stems bear compact rosettes of lance-shaped leaves, highly ornamental due to their distinctive cream variegation blended with green and edged in pinkish-red margins, which can intensify to bright red under strong light. Over time, the plant produces basal branches, forming small, dense clumps.

Flowering generally occurs in summer, when the plant produces a flowering stalk that rises above the foliage, bearing a clearly visible inflorescence. The flowers are small, numerous, and star-shaped, with coloration ranging from pinkish-white to pink. As in other species of the genus, flowering involves the individual rosette that produces the inflorescence, which gradually declines afterward, while the plant continues to grow through its lateral branches. After flowering, small dry fruits containing tiny seeds may develop.

It is an undemanding and easy-to-grow plant, characterized by relatively slow growth.

It grows best in a light, well-draining soil, which is essential to prevent water retention. A substrate formulated for succulents is ideal, enriched with mineral materials such as pumice, perlite, or coarse sand.

It requires moderate watering, typically about every two weeks, allowing the substrate to dry completely between waterings.

It prefers very bright exposure, ideally in strong indirect light or direct sunlight during the milder hours of the day. Its ideal temperature is around 10 °C (50 °F). It can tolerate brief drops to about -1 °C / 0 °C (30–32 °F), provided they are not prolonged. In areas subject to frost, it is advisable to protect the plant from cold, especially if grown outdoors, for example with light mulching or by placing it in a sheltered location.

During the active growing period, a diluted, balanced liquid fertilizer for succulents can be applied about once a month.

It can be repotted approximately every 2-3 years, when the plant has outgrown its container or when the soil has become depleted. Repotting should preferably be done at the beginning of the growing period, using a slightly larger container and fresh, well-draining substrate.

It is considered a safe plant for both humans and pets and can be grown indoors without concern.

It is generally a resilient plant. However, it may be susceptible to common succulent pests, particularly mealybugs and aphids, which can hide between the rosettes or along the stems, weakening the plant. In poorly ventilated or overly humid environments, root or stem rot may also occur, often caused by excessive watering or poorly draining soil.

It may be prone to stem rot in conditions of excessive moisture. If this occurs, the plant can be saved by cutting healthy rosettes and allowing them to root again, thus producing new, healthy specimens.

Propagation is mainly done through stem cuttings, a simple and effective method for obtaining new plants identical to the parent plant. It is sufficient to cut a rosette with a short section of stem and allow it to dry for a few days, until the cut surface has callused. The cutting can then be placed on a well-draining succulent substrate, kept slightly moist. Roots typically develop within a few weeks, especially during cooler periods when the plant is actively growing. Propagation by seed is possible, but less common and does not guarantee the variegation.

During the warmer months, the plant enters dormancy and may lose some of its leaves. This is a natural behavior that allows it to withstand heat and drought. With the return of cooler temperatures and regular watering, the plant quickly resumes growth and produces new rosettes.