Euryops is the quintessential “fynbos daisy” – a genus of sun-loving shrubs and subshrubs that light up rocky hillsides and grasslands across southern Africa with masses of golden flowers. Belonging to the daisy family (Asteraceae), Euryops species are generally evergreen, drought-tolerant and long-lived, forming neat hummocks or woody mounds covered in fine, often aromatic foliage. When in bloom they can be almost completely smothered in bright yellow daisies, creating a haze of colour that draws in bees, butterflies and other pollinators.

In nature, many species grow in tough, exposed places – sandstone ridges, shale bands, gravel plains, mountain slopes and coastal scrub – where poor soils, wind and seasonal drought are the norm. These harsh origins make them exceptionally well suited to water-wise, low-maintenance gardens around South Africa and in dry-summer or Mediterranean-type climates worldwide. With their intricate foliage and generous flowering, they bridge the gap between ornamental shrubs and hardy steppe or rock-garden plants.

For gardeners and collectors, the genus offers remarkable diversity: from tiny, moss-like cushions to upright, architecturally branched shrubs; from fine, erica-like leaves to bold ferny foliage; from tight button heads to broad-rayed daisies. Grown from seed, Euryops is fast to establish, rewarding the patient grower with plants that are both resilient and spectacular, whether they’re anchoring a fynbos bed in the Cape, brightening a dry border in Gauteng, or bringing a taste of the South African veld to gardens overseas.

Euryops sulcatus (Jacobaeastrum sulcatum, Othonna sulcata) – Sour True-Eye, Sour Harpuis; Suurharpuis, Waterharpuisbossie

Euryops sulcatus is a distinctive species characterised by its strongly ridged or “sulcate” stems and closely packed, somewhat overlapping leaves. Plants form compact to medium shrubs with erect shoots lined by small, neatly arranged leaf segments, giving the stems a beaded appearance. At their tips, clusters of golden daisies open to reveal bright yellow discs that contrast sharply with the tightly clad stems.

This species inhabits rocky slopes and plateaux, where it tolerates high light, wind and periodic drought. In the garden, it is best placed in full sun with very free-draining soil, where its unusual stem structure can be admired up close. Flowering typically occurs from late winter through spring, with the bright blooms attracting bees and other pollinators to the plant.

Euryops sulcatus has no widely used common names and is sold primarily under its botanical identity. From seed it quickly develops the characteristic ridged stems and dense leaf arrangement that distinguish it from other species. For South African and international growers, this species offers a highly textural, sculptural form of Euryops ideal for rock gardens, dry borders and collectors’ plantings.