Native to the mountainous regions of Mexico, the mountain agave,Agave montana, is a beautiful and architectural plant, forming a huge solitary rosette of densely packed, spined, deep-green leaves with a white powdery patina. In the wild it is exposed to cool moist cloud and more of a temperate climate than other agaves and is therefore better suited to the British climate than some of its less hardy cousins, and has even been known to survive harsh British winters outside, without any protection.
Native to grasslands, chaparral, desert scrub, and oak woodlands in North American states of Arizona, New Mexico and northern Mexico - typically at elevations from 4,000 to 8,000 feet can be found, Agave parryi, often called Parry's agave or mescal. It is a most gorgeous rosette-forming perennial succulent that is noted for its attractive blue-grey to grey-green evergreen leaves, but is also noted for its infrequent but spectacular flowering spikes.
Althaea cannabina is commonly called palm-leaf marshmallow or hemp-leaved hollyhock. The leaves resemble those of hemp (Cannabis sativa), hence the specific epithet cannabina. A beautiful plant with a succession of deep pink mallow flowers on tall, willowy stems. Plant this mid border or towards the back of your border for flowers that sway gently in the wind from July all the way to October.
Carex buchananii is a superb unusual evergreen ornamental grass plant, great for a mixed perennial border, for show-stopping block planting, or even as a feature plant in a container. It's extremely versatile, tolerating almost any soil, and aspect. Its narrow, triangular blades are bronze-red and flex gracefully in the breeze. It is disease and pest-resistant and being evergreen it is very low-maintenance. Upright habit to 70cm.
Carex oshimensis Evergold is a sedge from Japan and a perfect garden plant grown for all year round interest. The yellow variegated grass like leaves are especially striking and noticeable during the winter. It is the perfect compact ground cover garden plant for the edge of the border and also looks fantastic in pots. Carex oshimenis Evergold is very popular with garden designers and private householders alike for its grass like variegated leaves. Height and spread around 45cm
Dianella tasmanica Tas Red is a tough clump forming plant with evergreen, strap like green leaves, tinged red in winter. The flowers are blue, producing interesting glossy blue berries in the spring. A tough plant which will…