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Rhododendron Ponticum is a non native species, originally native to Bulgaria across Caucasus and Lebanon. Location. Many of the attributes that made it so perfect for game cover have made the ponticum such a thriving and invasive plant. NVS maintains a standard set of species code abbreviations that correspond to standard scientific plant names from the Ngä Tipu o Aotearoa - New Zealand Plants database. R. ponticum is a dense, suckering shrub or small tree growing to 5 m (16 ft) tall, rarely 8 m (26 ft). album, a form with white flowers, R. ponticum var. Rhododendrons are great survivors and the plants rejuvenate quickly from the cut stems. Bromley And there are many ornamental and highly desirable rhododendrons to choose from which are not invasive. Filters: Show All Hide Herbivores Hide Parasites Hide Mycorrhizae Hide Saprobes. It produces masses of violet purple flowers (between April and September), and is now to be found in woodlands, alongside rivers and on heathland across the UK. The fruit is a dry capsule 1.5 to 2.5 cm (0.59 to 0.98 in) long, containing numerous small seeds. R. ponticum was introduced into the U.K in the 18th century, probably using stock gathered in Spain or Portugal. Rhododendron ‘irene koster’ has scented flowers. Another problem is that this rhododenron is a carrier for phytopthera, which can infect and kill many other plants. If you find a wild shrub it is almost certainly ponticum. The evergreen shrub Rhododendron ponticum is native to south west Europe and south west Asia. Leaves c 6-12 cm. If any Email: info@plewsgardendesign.co.uk The plant is now found as a native in two distinct zones: one extremely extensive – Eastern Europe (SE Bulgaria and NW Turkey) eastwards to beyon… Rhododendron, meaning “red tree,” refers to the red flowers and woody growth of some species, but rhododendrons range in habit from evergreen to deciduous and from low-growing ground covers to tall trees. Rhododendron ponticum is highly shade tolerant. When this shrub ‘invades’, it 'takes over' and the woodland floor becomes a dark and barren place. It can thrive in dense shade with only 2% light; most plants need around 12% or more. Rhododendron ponticum was first brought to Britain, probably from Spain or Portugal, around 1763 for botanical gardens and used on big estates as cover for … We have come across some communal gardens where it was most definitely a weed and creating a problem. Rhododendron There are a large number of highly sought after species and varieties of rhododendron, of which the invasive dron ponticum is just one. Broadleaf evergreen upright shrub, dense or leggy, about 4 ft (1.2 m) in 10 years, it can grow into a small tree, in the wild it may attain a height of 25 ft (~7.5 m). Poisoning usually occurs in winter when snow interferes with grazing or in summer when pastures are scorched by drought. If you would like some advice, perhaps a Garden Consultancy Visit on how to de-weed and de-pest your garden in an easy, environmental way giving yourself more time just to sit and enjoy the sunshine, get in touch. To be able to feed yourself in 2% light is therefore a very useful trait. Not only does it form dense thickets and smother other species that way, but Rhododendron ponticum also sends out phenolic chemicals into the soil which suppress the ability of other plant species to grow nearby. We currently have clients in: -. It grows well on almost any type of soil, but thrives on peaty or sandy soils. Rhododendron (Rhodendron ponticum) Rhododendron is a widely distributed naturalized species in the United Kingdom and is poisonous because of its content of the polyol andromedotoxin. Is there any way I can easily identify if it is ? Does it have lilac coloured flowers in spring. There are two subspecies of Rhododendron ponticum, subsp. The dense growth offered protection for game species and, as rhododendron thrives in acid soils, it was widely planted in Victorian hunting Estates in both woodland and heathland areas to provide this shelter. Rhododendron ponticum is one of those examples where a plant species has been introduced to serve a practical purpose and has turned into a liability instead. In the image below, you can see the tangled mass of the Rhododendron. lancifolium compact with narrow leaves, R. ponticum var. 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