Eryngiums are a large genus of annuals, biennials and perennials with spiky leaves and prickly, globe-shaped inflorescences often mistaken for…


Eryngiums are a large genus of annuals, biennials and perennials with spiky leaves and prickly, globe-shaped inflorescences often mistaken for…
With a few exceptions, the forms of Iris most familiar in European contexts require open conditions and full sun to…
Asters have long been valued for their late-season colour—notably the North American “asters” now mostly reassigned to the genus Symphyotrichum;…
Closely related to the smaller and better-known Sisyrinchium, Libertia is a useful and elegant genus of Southern Hemisphere perennials. Although…
Urban microclimates tend toward extremes, particularly heat and drought. Plants that are tough enough to survive heat and water stress…
Salvias have become valuable contributors to the urban landscape in recent decades, notably the many cultivars of Salvia nemorosa (S.…
Prone to hybridisation and back-crossing, the ±30 species of Sesleria are a taxonomic tangle of poorly differentiated species, forms and…
“Here on the arid spine of the formidable mountain, destroyer Vesuvius, brightened by no other tree or flower, you scatter…
As a landscape architect working mostly in the public realm, I am always looking for tough plants that are visually…
The Guangzhou Garden RHS Chelsea 2021 perfectly illustrated the role for chartreuse foliage plants in a late season planting scheme…
Plants are increasingly recognised for their contribution to climate change mitigation, as well as climate change adaptation. After COP26 in…