The Royal Horticultural Society (RHS), founded in 1804 as the Horticultural Society of London, is the UK's leading gardening charity.
Penstemon, the beardtongues, is a large genus of roughly 280 species of flowering plants native mostly to the Nearctic, but with a few species also found in the North American portion of the Neotropics. It is the largest genus of flowering plants endemic to North America. As well as being the scientific name, penstemon is also widely used as a common name for all Penstemon species alongside beardtongues.
Pinus parviflora, also known as five-needle pine, or Japanese white pine, is a pine in the white pine group, Pinus subgenus Strobus, native to Japan.
The Award of Garden Merit (AGM) is a long-established annual award for plants by the British Royal Horticultural Society (RHS). It is based on assessment of the plants' performance under UK growing conditions.
Juniperus squamata, the flaky juniper, or Himalayan juniper is a species of coniferous shrub in the cypress family Cupressaceae, native to the Himalayas and China.
Cornus alba, the red-barked, white or Siberian dogwood, is a species of flowering plant in the family Cornaceae, native to Siberia, northern China and Korea. It is a large deciduous surculose (suckering) shrub that can be grown as a small tree. As a popular ornamental used in landscaping its notable features include the red stems in fall (autumn) through late winter, bright winter bark; and the variegated foliage in some cultivars, such as C. alba 'Elegantissima'. C. alba can grow to 3 m (10 ft) high, but variegated forms are less vigorous. For the brightest winter bark, young shoots are encouraged by cutting to the ground some older stems at the end of the winter, before leaves are open. The oval fruits are white, sometimes tinted blue.
Hesperantha coccinea, the river lily, or crimson flag lily, is a species of flowering plant in the iris family Iridaceae, native to Southern Africa and Zimbabwe.
Malva trimestris, common names annual mallow, rose mallow, royal mallow, regal mallow, and common annual tree mallow is a species of flowering plant native to the Mediterranean region.
Symphyotrichum novi-belgii, commonly called New York aster, is a species of flowering plant. It is the type species for Symphyotrichum, a genus in the family Asteraceae, whose species were once considered to be part of the genus Aster. Plants in both these genera are popularly known as Michaelmas daisy because they bloom around September 29, St. Michael’s Day.
Genista tinctoria, the dyer's greenweed or dyer's broom, is a species of flowering plant in the family Fabaceae. Its other common names include dyer's whin, waxen woad and waxen wood. The Latin specific epithet tinctoria means "used as a dye".
Penstemon newberryi is a species of penstemon known by the common name mountain pride or Newberry's penstemon. It is native to the mountains of northern California, Oregon, and Nevada, where it grows in rocky habitat, often at high elevation, such as talus. It is a bushy, mat-forming subshrub growing up to 30 centimetres tall. The leaves are mostly basal on the plant, oblong or oval and toothed, measuring 1 to 4 centimetres in length, with a few smaller pairs along the stem. The glandular inflorescence bears showy magenta flowers 2 to over 3 cm in length. The flower is generally tubular or funnel-shaped and has a coating of short to long and curly hairs in the mouth and on the staminode.
Penstemon procerus is a species of penstemon known by the common name littleflower penstemon. It is native to western North America from Alaska to California to Colorado, as far east in Canada as Manitoba, where it grows in mountain habitat such as meadows, often in alpine climates. This herbaceous perennial forms mats of herbage with some erect stems reaching about 40 centimeters in maximum height. There are several varieties which vary in morphology, some more decumbent than others, some of which are known commonly as pincushion penstemons for their matted forms. In general, the leaves are lance-shaped to oval, plentiful around the base of the plant with smaller ones arranged in opposite pairs along the stem. The inflorescence is made up of one or more clusters of tubular flowers with lipped, lobed mouths. Each flower is no more than one centimeter in length and is purple to blue in color, often with a white throat. The outside of the flower is generally hairless, while the inside may be lined with white or yellowish hairs.
Penstemon rupicola is a species of penstemon known by the common names cliff beardtongue or rock penstemon. It is native to the west coast of the United States from Washington to the Klamath Mountains of far northern California, where it grows in rocky mountainous habitat. It is a clumpy, mat-forming subshrub growing no more than 14 centimeters high. The thick, waxy, oppositely arranged leaves are round or oval and up to 2 centimeters long. The showy wide-mouthed tubular flowers emerging from the mat may be nearly 4 centimeters in length and are shades of light purple to bright pink.
Passiflora racemosa, the red passion flower, is a species of flowering plant in the family Passifloraceae, native to Brazil. It is an evergreen climber growing to 5 m (16 ft), with simple or 3-lobed leaves to 10 cm (4 in) long, and vivid red flowers borne in summer. The flowers are 12 cm (5 in) in diameter, with purple and white coronas. They are followed by oblong green fruits.
Heliopsis helianthoides is a species of flowering plant in the family Asteraceae, known by the common names rough oxeye, smooth oxeye and false sunflower. It is native to eastern and central North America from Saskatchewan east to Newfoundland and south as far as Texas, New Mexico, and Georgia.
Betula albosinensis, the Chinese red birch, syn. B. bhojpattra var. sinensis, B. utilis var. sinensis, is a species of birch in the family Betulaceae, native to Western China. It is a deciduous tree growing to 25 metres (82 ft). A particular feature is the peeling brown bark. In fact the Latin specific name albosinensis means "white, from China". Brown catkins are produced in Spring.
Polygala calcarea, the chalk milkwort, is a species of flowering plant in the family Polygalaceae, native to western Europe. It is a delicate mat-forming evergreen perennial growing to 5 cm (2 in) tall by 20 cm (8 in) broad, with spikes of small, vivid deep blue flowers in spring, and leathery, oval leaves.
Penstemon hartwegii, common name Hartweg's beardtongue, is a species of flowering perennial herb in the plantain family.
Penstemon pinifolius, the pine-leaved penstemon or pine-needle beardtongue, is a species of flowering plant in the plantain family Plantaginaceae, native to the southwestern USA.
