If you love vygies and waterwise gardening, Delosperma is one of those genera that quickly becomes addictive. These are mostly low, mat-forming succulents in the Aizoaceae, famous for their shimmering “ice” cells on the leaves and stems that catch the light like tiny crystals – a clever way of reflecting harsh African sun while storing precious moisture.

The genus is centred in southern Africa, with the bulk of species in South Africa and Lesotho, but stretching north into eastern Africa as far as Ethiopia and even into the Arabian Peninsula. Many are local endemics tied to specific rock types or mountain systems – from arid Karoo flats and grassland dolerite outcrops to subalpine Drakensberg cliffs. Seed capsules are typically hygrochastic: they open when wet, using little “valves” and wings to present or flick out the seed in rain – exactly the kind of detail that makes them fascinating subjects for a seed-focused collector.

In the garden, Delosperma species are valued for their carpets of daisy-like flowers in intense shades of magenta, pink, purple, yellow and orange, often over a very long season. Given full sun and sharply drained, sandy or gravelly soils, many species are remarkably drought tolerant and need little more than occasional watering once established. They are ideal for rockeries, retaining walls, containers, green roofs and banks where a tough, colourful, pollinator-friendly groundcover is needed.

For a succulent enthusiast in South Africa, Delosperma offers a huge palette of local biodiversity – from tiny, niche endemics to showy garden workhorses – all fitting neatly into the broader push toward waterwise, climate-resilient gardening.

Delosperma uncinatum

Delosperma uncinatum (“hooked”) likely refers to some aspect of its fruit valves or seed capsule structures, but in the garden it appears as a neat, compact succulent forming mats or small clumps. It grows in rocky, well-drained habitats where it weaves between stones and low shrubs.

The leaves are fleshy and may bear small, hook-like tips or subtle curves, giving the plant a slightly distinctive look. Flowers are daisy-like, in bright pink, purple or white shades, appearing in spring and early summer. The combination of unusual leaf detail and colourful bloom makes it appealing to collectors.

In cultivation, D. uncinatum suits rock gardens, gravel beds and detailed trough plantings. It prefers full sun, gritty soil and modest watering, and it responds well to the typical “soak and dry” regime used for many mesembs.