Category Archives: Grow

Philadelphus

Philadelphus is found widely in the wild, from Eastern Europe to the Himalayas, Eastern Asia and North and Central America, but in gardens we tend to grow cultivated varieties of these wild species and they can vary in both size and flowering type.  The blooms appear in early summer and are always white and scented. Grow this shrub in moist but well-drained soil in sun or partial shade. The scent of its cup-shaped flowers are known to resemble that of orange blossom.  Hence the common name ‘mock orange’

In your garden prune out some older wood immediately after flowering, cutting back flowered stems to a lower growth bud, which will then sprout and regrow. The green shoots that grow this summer will flower next year and in this way you can make sure that your shrub keeps producing flowers rather than becoming reluctant to flower.

Give the shrub a good mulch in spring to help seal in moisture this will help it stay healthy and well fed. Its flowering season may be brief but its glorious flowers are necessary for any garden.

 

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Peonies

Peony flowers are large, vibrant and romantic.

Herbaceous Peonies are easy to grow in any garden and typically flower in May. They need plenty of water but not waterlogged ground. The soil must drain well and have good organic matter. If your soil is clay add organic matter so that it doesn’t stay permanently wet. Herbaceous peonies need to be planted with the budding stems no more than 2cm beneath the soil surface and if planted too deep may not flower. They flower best in full sun but can tolerate light shade and are best moved when the plant is dormant between October and March. Peonies that are the herbaceous form can be divided to make new plants. Just make sure that three stem buds are visible in each of your divisions. Patience is critical with this plant as it can take around three years for them to flower well. They are known for being long lived and can live up to 50 years. As a cut flower they can last up to 10 days in a vase. Many people are not aware that some peonies have a scent so place in a vase in a warm room. Another bonus for planting peonies in your garden is that rabbits do not like the taste of them which is a great reason to plant even more.

Tree peonies on the other hand are also a wonderful addition to any garden. To some the name ‘tree’ might cause some confusion – no this does not mean it grows as tall as a tree! The main difference between tree peonies and their herbaceous cousins is that tree peonies do not die down to the ground in winter. They lose their leaves in late autumn but a woody scaffolding of  stems remain. The blooms can sometimes be larger and can be placed at a more elevated position in a border in comparison to the herbaceous forms.

 

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Stachyurus praecox

This delightful deciduous shrub is known for its unusual and colourful late winter and early spring flowers. These typically appear before the foliage emerges and are arranged in pendant catkin-like racemes that hang from the branches. The foliage can turn rosy red and yellow during the Autumn season. The genus comes from the Greek word Stachys meaning an ear of corn – hence the hanging flowers appearance. Plants in this genus are sometimes commonly called spiketail also in reference to the flowers. Native to Japan it  was introduced to UK cultivation in 1864. It can be grown by seed or summer cuttings taken with a heel in late July and given bottom heat. Layering is also a method – do this in summer months and the new plant should be ready to detach the following spring. It grows well in fertile soil that is free training in full sun or partial shade of a woodland. In terms of garden design  it is a perfect shrub for woodland gardens or it can be effectively trained against a wall with southern exposure.

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Darwin’s Orchid

This striking orchid is known not only for its beauty but for its story. The remarkable design looks less like a flower than some kind of engineering construction. Angraecum sesquipedale – the flower was discovered in eastern Madagascar by the French botanist Louis-Marie Aubert du Petit-Thouars, is also known widey as Darwin’s orchid.

The genus name, Angraecum, is derived from the Malayan word anggrek, which is used to describe several species of epiphytic orchids. The specific epithet sesquipedale comes from the Latin sesquipedalis, meaning ‘one and a half feet’, in reference to the long flower spur.

This orchid is widely known and admired for its association with Charles Darwin who was sent a specimen in 1862. He predicted it would be pollinated by a moth with a proboscis 20 – 30 cm long. The moth was discovered in Madagascar by Rothschild and Jordan in 1903 and named as Xanthopan morgani praedicta, seventeen years after his death. As predicted both spur and proboscis are long.  Darwin was fascinated with how orchids, the world’s largest plant family with nearly 30,000 species, are pollinated by insects, because they had co evolved in many different ways with their pollinators.

 

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Golden Snowdrops

Yellow snowdrops have been growing wild in Northumberland for centuries. A study carried out by John Richards, Professor in Botany at the University of Newcastle found that only 1% of snowdrops in Northumberland were yellow. Meaning the yellow colour was not spread evenly over a native colony. It was found that colonies had snowdrops that were neither yellow nor green, but instead a sort of inbetween colour. These were named ‘halfers’. You might ask what caused the yellow colouring? It became apparent that when the yellow snowdrops and halfers appear in spring they contain just one third of the amount of chlorophyll A and almost no chlorophyll B compared to the common green snowdrop. Despite this, once they have flowered the chlorophyll levels are found to be the same as the regular greens. This disproves the common assumption that yellow snowdrops are weaker than the green forms. The reason why the yellow flowers occur is still not fully understood. Professor Richards suggested that it might be that yellow snowdrops particularly thrive in high light intensity. Spring arrives later in Northumberland meaning the light intensity is high by the time the snowdrops emerge.  Yellow snowdrops have also been found to grow particularly well on the east coast of Scotland even though they do arise from there originally. Recently there has been an increase in the number of yellow snowdrops that gleam in the spring golden sunshine.  In recent years an expensive yellow snowdrop sold on eBay was named ‘Golden Fleece’. One eager buyer paid £1,390 for one bulb in 2015!! However it took 10 years to breed and another eight to multiply up before bulbs were available for sale. Hopefully as we look towards the future we will see more golden snowdrops available for our gardens.

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Spooky  – Decaisnea fargesii

The freaky dark fruits of Dead Man’s fingers will certainly be a talking point for your garden. This creepy looking plant is scientifically known as Decaisnea fargesii. It originates from Chinese and Nepalese woodlands and scrub between 500 m and 2500 m elevation. The eerily skin like feel of the bright blue seedpods give the plants its common name. Inside each seedpod is a translucent jelly pulp. Within this jelly pulp are flat dark black seeds. Although the seeds are not edible the pulp jelly part is edible. Those who have managed to taste this weird looking jelly say its tastes refreshing and similar to a cucumber or melon. The plant is found in the chocolate vine family Lardizalaceae and as it is frost hardy it can be grown in the UK as a garden ornamental shrub. Why not try growing this shrub in your garden and see if you can spook your visitors around Halloween time.

 

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Roscoea

These exotic looking flowers are actually easy to grow in your garden here in the UK as they are fully hardy and put on a fantastic display. This little known genus is a tuberous perennial known for its dramatic flowers and its tolerance of wet and shady conditions. It belongs in the Zingiberaceae family (Ginger family) and originates from high altitudes of China and the Himalayas. There are 22 recognised species, with eight of them endemic to China. The genus was named by James Edward Smith after William Roscoe, a botanist who helped establish Liverpool’s Botanic Garden. The striking flowers are similar to those of orchids and irises because of their unusual hooded upper petal and three lower petals. If you look closely there is lip like landing pad for pollinating insects. These plants do best in shade where the flowers will last longer for about 4-6 weeks. They can tolerate some sunlight but exposure to hot sun and dry conditions will cause them to shrivel. When planting make sure the tubers are planted deep beneath the soil. Cover with mulch to help feed the plant and ensure the soil is moist during the summer months, but they require good winter drainage. These flowers grow well in a rock garden, woodland or shaded border. Roscoea can be divided every 3 – 4 years in April before the tubers start to grow.

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