Plant of the month

Each month we showcase a plant from the gardens.

July Jill Sinclair July Jill Sinclair

Romneya coulteri

Also known as Matilija or Californian tree poppy, this dramatic shrubby perennial provides a spectacular display in the AGM Border, above the top of the Thompson Road drive.

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June Jill Sinclair June Jill Sinclair

JOVELLANA VIOLACEA

Introduced from Chile, South America, in the mid 19th century, this semi-evergreen sub-shrub needs a very sheltered spot, because it is not tolerant of below-freezing temperatures. However, over the past eight years, since the Mediterranean climate garden was redesigned and replanted, this beautiful plant has been increasing its area, by sucker growth, and is now growing into its neighbours, and flowering very prettily.

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May Jill Sinclair May Jill Sinclair

Cercis siliquastrum

In the Rock and Water Garden a unique sight is the little multi-stemmed tree, Cercis siliquastrum, every young twig smothered in rosy-pink flowers with some on the old stems too, before the pretty heart shaped leaves appear.

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Jill Sinclair Jill Sinclair

Bulbinella latifolia subsp. latifolia

With seeds collected from the wild, this most attractive evergreen, clump-forming perennial is making its home in Sheffield. Collected from the Renosterveld in South Africa by Professor James Hitchmough of Sheffield University on a plant hunting expedition, the seedlings have been grown on in the South African garden area of Osborn’s Field.  

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March Jill Sinclair March Jill Sinclair

Acacia dealbata

In 2008 the Royal Horticultural Society published ‘Opportunities for Gardeners’, a list of semi-hardy plants which it predicted would become more successful in the UK as the climate became warmer. One of these was Acacia dealbata, the silver wattle or mimosa, and here in the Mediterranean Climate Garden we have a lovely specimen with masses of clustered yellow flowers covered in stamens.

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February Jill Sinclair February Jill Sinclair

CAMELLIA X WILLIAMSII ‘ST. EWE’

In the 1940s the notable hybridist, J. C. Williams of Caerhays, Cornwall, crossed Camellia japonica and Camellia saluenensis. One of the first plants raised at Caerhays was the camellia ‘St. Ewe’ (named after a village in Cornwall). This is one of the earliest camellias to flower and the first blooms can often be seen early in January.

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January Jill Sinclair January Jill Sinclair

Chamaerops humilis

Chamaerops humilis is a miniature palm originating from Southern Europe, including Italy, Spain, Sardinia and Sicily, and across the Mediterranean, on the coasts of Algeria and Morocco. It is the only palm native to Europe, and rarely exceeds 1.5m high.

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December Jill Sinclair December Jill Sinclair

Acer griseum

For year-round beauty and interest, Acer griseum, the Paperbark Maple, is often recommended as the ideal tree for a smaller garden. It is slow growing with a rounded crown, attractive leaflets in threes, green above and blue-grey beneath (griseum meaning grey), which turn a wonderful orange-red in autumn.  

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November Jill Sinclair November Jill Sinclair

Fatsia Japonica

Fatsia japonica has so many star qualities that it is not surprising that it holds the RHS Award of Garden Merit. It is evergreen, remaining handsome year round, and its huge glossy leaves impart a bold and exotic look to a tropical bed. It is valuable too as a landscaping plant for very shady sites, as well as windy seaside ones. Not many plants are ornamental in so many situations.

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September Jill Sinclair September Jill Sinclair

Chelone obliqua

Now endangered in some states of its native North America, Chelone obliqua is a clump-forming perennial with dark green foliage looking good all summer on upright stems. In August, the spikes of deep pink flowers start to appear and last for many weeks. Their shape is said to resemble turtles’ heads hence the name Chelone, meaning turtle-like in Greek. Twisted shell flower and turtlehead are common names.

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August Jill Sinclair August Jill Sinclair

Musa basjoo

Entering the Gardens from the Thompson Road entrance, one cannot help but be totally entranced by the exotic bed outside the South Lodge. Standing proudly in the centre of these tropical plants is the ‘hardy’ Japanese banana Musa basjoo. There is no better plant for achieving a tropical effect.

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July Jill Sinclair July Jill Sinclair

Berkheya ‘Helios’

Thanks to Trish and Peter Kohn, we have the rare and very special plant, Berkheya ‘Helios’growing in the South African bed in Osborn’s Field (Area J on the downloadable map). The large, strong yellow flowers contrast strikingly with the spiny grey foliage.

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June Jill Sinclair June Jill Sinclair

Drimys winteri

Sheltered on the terrace in the Mediterranean Climate garden (area L on downloadable map), Drimys winteri, also known as Winter’s bark, has survived unharmed in spite of the cruel, long winter that has taken many plants in the area. In the past it was known only to survive in milder parts of the country.

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May Jill Sinclair May Jill Sinclair

Lonicera syringantha

Lonicera syringantha (the lilac-flowered honeysuckle), in the family Caprifoliaceae, is a deciduous, rounded shrub with small, sea-green leaves borne in threes along the slender branches. From April it blooms prolifically for many weeks. The tubular rose-lilac flowers are very sweetly scented.

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April Jill Sinclair April Jill Sinclair

Oemleria cerasiformis

April is one of the most floriferous times in the Gardens with gorgeous camellias, magnolias, cherries and rhododendrons coming into blossom, but added to their beauty is a quietly elegant shrub that possibly goes unnoticed most of the year.

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March Jill Sinclair March Jill Sinclair

Acacia baileyana

Only a few of the 500 different Australian wattle trees are hardy enough to survive in the UK. The most commonly seen is Acacia dealbata, the mimosa used by florists. Rather more tender, A. baileyana is considered suitable for milder areas only. However, this beautiful little tree grows happily at the entrance to the Dorothy Fox Education Centre.

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February Jill Sinclair February Jill Sinclair

Sycopsis sinensis

It is always a delight to find a rare and unusual plant in flower, and a botanical garden is the place to find one. Sycopsis sinensis is a large evergreen shrub or small tree on the left as you enter the path to the bear pit. 

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