Sempervivum Pseudo-ornatum

Sempervivum 'Pseudo-ornatum' is an ancient variety of houseleek, distinguished by its large succulent rosettes, ciliate at the edges, and its olive-green to brown colour that takes on beautiful shades of burgundy in summer. Its light pink star-shaped flowers bloom in summer, at the heart of mature rosettes. This succulent and hardy perennial develops into a stunning geometric and ever-changing carpet, which blends beautifully with stones. It is a low-maintenance plant that thrives in dry and poor soil, relying solely on rainfall.

Sempervivum 'Pseudo-ornatum' is an ancient cultivar, whose origins are difficult to trace. Houseleeks are native to Western and Central Europe. These succulent perennials from the Crassulaceae family grow naturally in rocky meadows, on rocks and scree, in open and sunny locations, mainly in mountainous areas.

The 'Pseudo-ornatum' variety has thick and long roots that infiltrate deeply into rock crevices, ensuring a good grip on the walls while drawing water from deep sources. The plant slowly forms beautiful colonies of rosettes of different sizes, juxtaposed, reaching 10 to 15cm (4 to 6in) in diameter at maturity, and not exceeding 15cm (6in) in height. Over time, this houseleek can spread through its stoloniferous stems forming a carpet spreading over 40 to 60cm (16 to 24in) on the ground, perfectly following the terrain. Resembling a spread-out artichoke, each pruinose rosette is composed of numerous narrow and pointed leaves, without petioles, bordered by short and transparent cilia. Climatic conditions induce a change in their colour, ranging from green to brown and burgundy, mixed with bronze tones, around a tender green centre covered in silky threads. The flowering occurs on rosettes aged 2 or 3 years, which then disappear, having ensured the plant's perpetuity by producing several small rosettes on the periphery. The 15cm (6in) tall flower stalks develop from June to August, formed by thick stems carrying 1 to 5 star-shaped flowers with 8 to 10 petals in light pink to rose-purple shades.

Sempervivum 'Pseudo-ornatum', like all houseleeks, is a boon for gardens where the soil lacks thickness. It thrives where few species survive, colonising abandoned spaces. It is comfortable in poor, rather dry, rocky, and even slightly calcareous soil. It is perfectly hardy and requires no maintenance. It promises to bring life to any pile of stones, a wall, or even a green roof. Houseleeks are easy-to-care-for succulent plants, offering flowers and foliage in various shades that will create stunning compositions. They are magnificent in pot arrangements, especially in low terrine-type pottery, and they are irreplaceable in borders, troughs, or rock gardens, alongside London pride (Saxifraga umbrosa), wall bellflowers, or Lewisia cotyledon. These endearing perennials quickly inspire the desire to propagate them. Consider choosing companions with staggered blooms (sedums, thymes, paronychia) and colourful foliage (bergenia, Euphorbia myrsinites) for a varied and joyful rock garden.