Botanic Garden & Harcourt Arboretum
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The University of Oxford 96 Botanic Garden & Harcourt Arboretum Friends' newsletter Autumn 2017 2 Botanic Garden & Harcourt Arboretum Friends' newsletter | No. 96 Contents OBGA News OBGA News ............................... 2 From the Director....................3 Record numbers visit OBGA! House to increase the variety of plants on Public Engagement Chris Thorogood display. We removed some rather thuggish ferns and have been regrouping the at OBGA ...................................... 4 OBGA saw nearly double the number of wandering Sarracenia. visitors this spring despite the cold. Garden A trip to Ethiopia .................... 5 visitors for March 2017 were 9250 compared with 4761 in 2016. April saw 17,861 visitors, a Palmer’s Leys ........................... 6 figure more reflective of August – traditionally OBGA’s busiest month. A number of Harcourt Arboretum contributing factors appear to be at play here Spring Fair 2017 .......................7 including the good weather and the GLAM (Gardens Libraries and Museums) Mind How we use the Botanic Growing marketing campaign. However, Garden as an Education some of these visitors came specifically to Resource .................................... 8 see the ‘wow plants’ we have been promoting on social media and via the website. We Plant science are currently gathering data to measure the masterclasses for schools ... 9 success of these social media promotion mechanisms. Social media so far seems to be Ant plants and their an extremely effective (and free) mechanism importance at Oxford for ‘advertising’ OBGA and we will continue to use these mechanics to promote the Garden Botanic Garden ..................... 10 and Arboretum this summer to maintain this Friends' Section incredible visitor trajectory. The Carnivorous Plant House collection We would like to say a big thank you to Successful staking News .......................................... 12 the whole team, and in particular, to the ticket office staff for all their hard work. Clare Kelly Events ....................................... 13 In April we held two morning sessions on the art of successful staking as part of the Garden Visits .........................14 Garden’s Public Education Programme. This was a hands-on practical course to Bobarts News ........................16 demonstrate that with the right materials and a little technique, a sculptural piece of art can be created to enhance spring borders and strongly support perennial plants during the summer. To be truly successful, staking should be carried out early in the Saturday 21st October season to give plants time to grow naturally 11.00am-4.00pm through the structure and to distribute the Autumn Fair & Apple Day weight of the stems evenly to avoid trussed foliage after rainstorms. Harcourt Arboretum European birch (Betula pendula) and European hazel (Corylus avellana) are Come along to experience live music, coppiced annually at Harcourt Arboretum. delicious food, local crafts and fairground Nymphaea x daubenyana in flower These trees yield a soft, pliable wood that games in the beautiful, autumnal setting is easy to weave and craft into a variety of of Harcourt Arboretum. Update from the Glasshouse shapes. The standard mould we use for our • The event is free with an entrance Collection plants here at the Garden is a dome shape ticket: adults £5.00 (Gift Aid £5.50), Kate Pritchard which encircles the root plate of the plant. concessions £3.50 (with Gift Aid This spring has seen a flurry of horticultural This allows the structure to naturally fill £4.00) Children (16 and under) free activity in the glasshouses. We have been upwards towards the light; the height of when accompanied by an adult up to our elbows in pond mud, water and the structure should ideally support at least family member. new plants. With the help of staff from two thirds of the stems when in full growth. the University Parks Department, we have This is easier on the eye than manufactured completed the biennial tropical water lily bamboo canes and metal hoops. pond clean. Fifty cubic metres of water We support our plants at the Garden with were drained, six cubic metres of loam dug over five hundred branches of birch and out, and all replaced in less than 10 days! hazel, but inevitably we miss one or two! Nymphaea x daubenyana is creating a floral We then resort to a combination of staking, frame around the Victoria cruziana which is steppe, coppice and stool pruning, or the now spectacular in leaf. We have also been popular Chelsea Chop and Wimbledon re-landscaping areas of the Carnivorous Whack, to tame the garden for another year. Botanic Garden & Harcourt Arboretum Friends' newsletter | No. 96 3 by Professor From the Director Simon Hiscock I will begin with a big thank you to programme (PEP) at OBGA, Chris has been everyone who gave so generously to the using social media and the website to Friends’ benches appeal launched in the increase our visibility. This has also helped last Newsletter. The appeal exceeded all to increase visitor numbers, which saw expectations, raising the total needed, and a noticeable spike after Chris’s ‘twitter more besides within just a few weeks. The first takeover’ and promotion of the flowering of four benches are currently being built by Gaze Amorphophallus konjac (see cover image). Burvill, and we expect them to be in place Fascination of Plants Day took place on around the fountain by mid- to late-summer. May 21st and brought cell biology and the This year’s mild and virtually frost- Linnean Society to the Garden. ‘Inside a plant free months of March and April provided cell’, an interactive exhibition produced by exceptional conditions for spring blossom. I Dr Charlotte Kirchhelle (a researcher and cannot remember a better year for magnolias former DPhil student in Plant Sciences) - our collection flowered profusely at both and Dr Rhys Grant (Education Officer at the the Garden and Arboretum. Moreover, Ben Linnean Society) showcased how modern Jones and I were fortunate enough to see techniques in microscopy can be used to look the blooming magnificence of the collection inside living plant cells. This exhibition was at Wespelaar Arboretum (near Leuven, in generously sponsored by the New Phytologist Belgium), where owner and Director agreed Trust and will move to the Linnean Society that this was indeed an exceptionally good later this summer. It will then return to the year for magnolias, probably their best ever. Botanic Garden for ‘Curiosity Carnival’ on Staking underway in the Garden Given the importance of magnolias and September 29th; this is a University-wide Monkey Orchid Safari their Magnoliid relatives in the evolutionary celebration of Oxford’s world class research Chris Thorogood history of flowering plants we are actively as part of European Researchers Night. acquiring new species and cultivars as part Fascination of Plants Day also featured ‘One On Saturday 13th May, Simon Hiscock and of the continuing strategic enhancement of Zoom’, an app that allows you to explore the I took an adventurous group of enthusiasts OBGA’s collections, specifically within the tree of life (see: http://www.onezoom.org/). into the Chilterns to see some very theme of ‘Evolution and Taxonomy’. This digital gem, the work of former Plant special plants. Hartslock Nature Reserve In addition to ‘Evolution and Taxonomy’, Sciences student Dr Yan Wong and Dr James is a stronghold for the exceptionally rare our collections strategy focuses on three Rosindell (a researcher at Imperial College), is monkey orchid (Orchis simia) which grows further themes: ‘Heritage and Landscape’ already proving to be transformative as a new at just one other site in the U.K. The species (celebrating Oxford’s unique place in the teaching and learning tool for all ages. has been known to occur here for centuries history of botanical science as the UK’s As I started, so will I end, with a thank you but the numbers and vigour of the plants oldest botanic garden), ‘Biodiversity and – this time to Richard Mayou for his 15 years of have declined in recent decades. Conservation’ (embracing our commitment to devoted service as Chair of the Friends. During The weather was perfect. We took a the Global Strategy for Plant Conservation), this time, Richard has led many successful gentle stroll from Goring and Streatley and ‘Plants and People’ (showcasing the fundraising initiatives and appeals to generate Station up the hill, noting one or two other importance of plants to us and all life on money for OBGA, finishing on a high with plants of interest along the way. We began earth). Supporting these four core collection the benches appeal. He has also helped steer at the top of the hill, taking some time to themes will deliver high quality interpretation the Garden through some difficult times and observe the very special plant we came to enhance the visitor experience – ‘Plants his role in getting us to where we are today specifically to see. We then wandered down that Changed the World’ in the Lower Garden is probably his greatest, yet less well-known a little foot path to see another rarity, the (within the ‘Plants and People’ theme) shows achievement. On May 1st Sarah Taylor took lady orchid (O. purpurea). There are only how this approach can work. over from Richard and everyone at OBGA two specimens that grow here (we saw just Outreach and public engagement welcomes her and wishes her well. I look one), which were most likely deliberately activities have shown a sharp increase since forward to working closely with Sarah as we planted (DNA data show that the plants the arrival of Chris Thorogood in January and plan and fundraise to celebrate the Garden’s are of French rather than British origin). as well as re-launching a public education 400th Anniversary in 2021. The most prominent orchids at the site however were the hybrids between the monkey orchid and the lady orchid (O.