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 incomptum

Delosperma incomptum is a little-known but characterful South African species recorded from rocky habitats, where it forms low carpets or clumping mats of succulent foliage. The species epithet “incomptum” suggests an informal or “untidy” appearance, often referring to slightly irregular or loosely arranged leaves—yet this gives the plant a naturalistic charm perfect for wild-style gardens.

The species produces cheerful daisy-like flowers in the warmer months, appearing in soft shades that complement the relaxed growth form. While not overly flashy, its blooms catch the light beautifully and attract small pollinators on sunny days. The plant’s resilience in shallow, stony soils makes it a reliable performer in challenging sites.

Gardeners in South Africa will find D. incomptum easy-going and highly waterwise. It suits informal rockeries, grassy edges, and spots where a natural, non-uniform groundcover is desired. From seed it follows the standard Delosperma routine: surface sowing, excellent drainage and abundant bright light. Once planted out, it rewards growers with a carefree, resilient mat that thrives with minimal intervention.