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Pittosporum patulum (new)
A most unusual hardy species from New Zealand, very rarely available, with an upright habit to 4.5m high. Juvenile foliage is brown-purple tinged, very narrow, up to 5cm long and conspicuously lobed, turning to entire or toothed and up to 12cm in the adult stage. Small fragrant, bell shaped, crimson flowers in terminal clusters in summer. A distinctive foliage plant.
Pittosporum ralphii 'Variegatum'
A surprisingly hardy medium sized, slow growing, evergreen shrub from New Zealand with grey-green leaves broadly margined with creamy-white. Clusters of dark crimson flowers with yellow anthers contrast with the foliage in summer. For any well drained soil in sun. Very rarely offered for sale.
Platanus orientalis var. insularis
A highly attractive and underused form of Oriental Plane. Smaller growing than the usual, this will make a vigorous small to medium sized tree with very deeply lobed leaves, the lobes looking like long fingers on an outstretched hand, forming a unique foliage effect. Very tough, very different, easy and tolerant. Deserves far wider planting.
Pretty new on the scene, this hardy woody member of the Hydrangea family hails from Japan and China and in flower shows affinities to Philadelphus and Deutzia. A small deciduous shrub up to about a metre or more high, with long slim willowy leaves and terminal clusters of white flowers with a large boss of yellow stamen. For sun or semi-shade.
Podocarpus macrophyllus (new)
Native of the Far East, this is one of the hardiest of all Podocarps, withstanding heavy frosts if sited well. Leaves long leathery and narrow, usually up to 13cm, but up to 18cm on vigorous shoots, green above and glaucous beneath. An evergreen shrub or small tree given enough time. Lime tolerant but not suited to chalk.
Podocarpus salignus Hardy form (new)
From Chile comes this noble evergreen tree, related to the conifers, but with egg shaped fleshy fruits. A medium sized tree eventually with superb rich-green, long, narrow, almost willow-like foliage loading the branches. Elegant and with an exotic appearance, this form has proved hardy in a cold inland Cumbrian (!) garden over many years, given reasonable shelter.
Podocarpus totara (new)
A mighty tree in its native New Zealand, this makes a fine specimen in the Far South West at least, where the largest old specimen in the UK is known to be 19m tall with a substantial trunk. Further East it is much smaller and survives considerable cold if well sheltered. Stiff, leathery, sharply pointed foliage in two ranks or scattered on the shoot.
Polyspora axillaris (new)
A collection from 2000m in the mountain forests of Taiwan, where this forms an evergreen tree. Here in cultivation it will be smaller growing, to perhaps large shrub size. Large thick textured evergreen foliage to 15cm long form the backdrop to large Camellia-like flowers, white with golden yellow centres, seen in autumn. For a sheltered position in lime free soil.
Poncirus trifoliata (new)
'Japanese Bitter Orange'. A remarkable, stout, slow growing, medium sized, hardy shrub closely related to Citrus, with armoured green stems and beautiful, white, sweetly scented, orange blossom like flowers in spring. Fruit like little yellow oranges produced after hot summers, or if planted in a very warm spot. Sun, well drained soil.
Populus glauca KR 3993 (new)
This very rare tree was originally collected in Yunnan by Keith Rushforth. Striking in foliage with large, rounded, blue-green leaves with red veins on flattened red petioles, emerging fairly late in late spring. Vigorous and hardy, this will make a medium sized tree for most soils.
Populus glauca MF 20088 (new)
This very rare tree was originally collected in the Gaoligongshan, NW Yunnan. Striking in foliage with large, rounded, blue-green leaves with red veins on flattened red petioles, emerging fairly late in late spring/early summer. Vigorous and hardy, this will make a medium sized tree for most soils.
Populus lasiocarpa Hermaphrodite form (new)
A form collected by Ernest Wilson with polygamous catkins. An ornamental medium sized Chinese tree with huge leaves often up to 30cm long, with conspicuous red veins and leaf stalks. Nothing like the huge hybrid Poplars we are so used to seeing in our river valleys, these will form smaller, dome shaped trees. Plants can be coppiced to produce huge foliage.
Described as "extremely rare in cultivation" by Grimshaw in New Trees, this Chinese species makes a healthy, upright, but relatively slow growing tree in cultivation. Leaves are fairly large and emerge red flushed in May, after frosts have passed, retaining a red petiole through the season. Young trees at the Hillier Gardens look distinctive, stylish and handsome.
Populus x wilsocarpa 'Beloni'
As the name suggests, a hybrid between two ornamental, large leaved Chinese species, P. wilsonii and P. lasiocarpa, sharing characters of both. Not a vast tree, though strong growing, forming an upright conical crown when young, this has thick shoots and big heart shaped leaves up to 25x18cm. Hardy and suited to any normal or wet soil.
Pourthiaea aff. arguta KR 10738 (new)
Collected in Arunachal Pradesh, Far NE India, this Rosaceous large shrub to small tree is very closely allied to Photinia and is also known as that. Creamy white flowers in terminal corymbs in spring/summer followed by red fruit in autumn. Leaves are relatively narrow, sprinkled with white hair when young and semi-persistent in winter. Hardiness untested.
Prunus himalaica (new)
Closely related to both P. serrula and P. rufa, this is also grown for its wonderful bark; deep mahogany with very heavy horizontal lenticel banding creating a striking effect. A small tree, introduced from Nepal in only 1965, this usually branches low into multiple stems; all the better for seeing the bark effects. Softly hairy serrated foliage and pale flowers in spring.
Prunus ilicifolia subsp. lyonii (new)
The Catalina cherry hails from the Channel Islands off the coast of Southern California where it grows with such delights as Lyonothamnus etc. An evergreen large shrub with glossy foliage and racemes of white flowers in June/July up to 13cm long, followed by rounded fruit, starting red and turning black. For a sheltered position. Rarely seen or offered.
Prunus lusitanica ssp azorica
A superb, rarely encountered, surprisingly hardy evergreen large shrub or small tree from the Azores. Larger, thicker leaves than normal Portuguese Laurel, reddish when young, turning a brighter green with red petioles, and with the same pretty racemes of white flowers in June. Tolerant of most soils. A very pleasing foliage plant, demanding wider planting.
Prunus phaeosticta NJM 10.072 (new)
From the top of Tay Con Linh Mountain, N. Vietnam, a place probably no other Westerners have been, from where you can look straight into China. A small evergreen tree. the glossy foliage emerging bright pink-red with deeply impressed veins and a drip-tip. Masses of white flowers in upright racemes. Untried here, but best sheltered I'm sure.
Prunus serrula x serrulata
With the superb glistening polished mahogany coloured bark of P. serrula, this hybrid benefits from a resistance to witches brooms in the branches, which P. serrula is prone to. A small, but vigorous hardy tree with willowy foliage and white flowers in spring.
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