![]() ![]() Unfortunately they quickly escaped from cultivation with the first naturalised (‘wild’) population recorded in Cambridgeshire in 1828, and are now widely naturalised as invasive species throughout much of Britain and Europe. They were soon introduced into the horticultural trade and being aesthetically impressive plants, were widely planted in ornamental gardens throughout Britain. The earliest documented reference to their introduction into Britain that has been traced is from the Royal Botanic Gardens Kew Seed List of 1817 where giant hogweed, under the name of Heracleum giganteum was listed among seeds supplied to Kew by the Russian Gorenki Botanic Gardens. The giant hogweeds were introduced into Britain and Europe from the Caucasus Mountains in the nineteenth century. Heracleum sphondylium can support lots of pollinators, including beetles, flies, hoverflies, bees and wasps. It can cause rashes and other skin complaints but reactions tend not be as severe as with the larger species. It can grow to six foot or so when in flower but is nevertheless a much smaller plant than giant hogweed. There is also a native hogweed, Heracleum sphondylium, which will be a familiar plant to gardeners and those who like to go walking in the UK. However, when tested all these had high levels of furanocoumarins (the chemicals which cause burning by making the skin sensitive to sunlight) and so all pose a risk to public health. Research by RHS and other botanists shows that, while this is one of the species, there are as many as four other giant hogweeds at large in Britain some of which are biennial and others perennial. The giant hogweeds are usually referred to by one name, Heracleum mantegazzianum. Chemicals in the sap can cause photodermatitis or photosensitivity, where the skin becomes very sensitive to sunlight and may suffer blistering, pigmentation and long-lasting scars. Malvern Autumn Show - 22–24 September 2023Īlthough an impressive sight when fully grown, giant hogweed is invasive and potentially harmful.RHS Garden Wisley Flower Show - 5–10 September 2023.RHS Garden Rosemoor Flower Show - 18–20 August 2023.RHS Garden Hyde Hall Flower Show - 2–6 August 2023.RHS Flower Show Tatton Park - 19–23 July 2023.RHS Hampton Court Palace Garden Festival - 4–9 July 2023.Outside the U.S., contact us to arrange a purchase. Ships in approximately 5-7 business daysįor complete details about the prints and papers, go to the About the Prints page.Comes to you carefully packaged, without frame or top mat.Signed in the white space below the bottom right corner of the print.Includes white border for easier framing.Very best archival quality, tonal contrast, and surface beauty.Baryta coated with a surface similar to traditional darkroom prints. ![]() Museum quality, heavy-weight, white fine art paper.Important: If you want this printed in two halves, rather than in a single, wide panorama, be sure to send an email or put a note in the order to let me know.Īrchival Pigment Print on Baryta Surface Fine Art Paper: ![]() Depending on space, it can be displayed vertically or horizontally. Available in one very wide print or as two half size prints for same price (see alternate photographs). The size of this ultra-wide panoramic photograph turns an ordinary object that's only seven inches long, into a vast and startling landscape up to ten feet wide. ![]() Monumental black and white detail photograph of a rusty railroad spike.
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