Plant Profile: Astrantia (Masterwort)

Astrantia is one of several umbellifers (see also Eryngium) with ornamental bracts, a feature that offers significant added value in…

Plant Profile: Phlomis russeliana

An herbaceous perennial to c.90cm, Phlomis russeliana is one of around 75 species in a varied genus that ranges from…

Plant Profile: Perovskia

Native to arid areas of Central Asia, Perovskia is a woody perennial or sub-shrub to 100-120cm, now recognised as a…

Copenhagen
Lessons learned from Green Cities Denmark

Susanne Renee Grunkin, former President of the Danish Association of Landscape Architects (DL) and professional for the Scandinavian architecture firm…

Plant Profile: Kniphofia

Glowing inflorescences of Kniphofia hovering above the foliage layer of perennial plantings are a striking and dramatic effect available to…

Plant Profile: Eryngium

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

Iris Japonica
Plant Profile: Iris Japonica

With a few exceptions, the forms of Iris most familiar in European contexts require open conditions and full sun to…

New World Salvias
Plant Profile: New World Salvias

Urban microclimates tend toward extremes, particularly heat and drought. Plants that are tough enough to survive heat and water stress…

New World Salvias
Plant Profile: New World Salvias

Salvias have become valuable contributors to the urban landscape in recent decades, notably the many cultivars of Salvia nemorosa (S.…

Sesleria Caerulea
Plant Profile: Sesleria Caerulea

Prone to hybridisation and back-crossing, the ±30 species of Sesleria are a taxonomic tangle of poorly differentiated species, forms and…