Astrantia is one of several umbellifers (see also Eryngium) with ornamental bracts, a feature that offers significant added value in…
Plant Profile
A North American genus of ±35 herbaceous perennials, a handful of Liatris species are available to European designers, all from…
Native to arid areas of Central Asia, Perovskia is a woody perennial or sub-shrub to 100-120cm, now recognised as a…
Glowing inflorescences of Kniphofia hovering above the foliage layer of perennial plantings are a striking and dramatic effect available to…
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…