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 uniflorum

The name uniflorum (“single-flowered”) hints that each stem often carries a single, showy daisy. This species is a small, rock-hugging succulent forming compact clumps in shallow soils over rock.

Each shoot typically produces one relatively large flower, making the plant look like a scattering of individual daisies nestled into a cushion of leaves. Colours are usually in the pink, purple or white spectrum, and flowering is mainly in spring and early summer.

For South African gardeners, D. uniflorum is a charming specimen for crevice gardens, troughs and small rock pockets. It’s best where the individual flowers can be appreciated at close range. Full sun, sharp drainage and careful watering will keep it tight, compact and free-flowering.