Pottering Around with Plant Pots

While you take on the mammoth task of spring cleaning and redecorating for the New Year, you may decide to acquire new plants for your home. But why stop there? Take the opportunity to complement your home décor with new plant pots too.

Pots, in general, can be made of either plastic or clay. Plastic pots have the advantage of being cheaper, lighter and less fragile. Plastic is impervious to water, and pots made from this material retain more moisture than clay pots. However, they tend to deteriorate if they are exposed to direct sunshine for prolonged periods.

Plant pots made of clay, on the other hand, are heavy, and offer stability that is useful for the growing of tall, top-heavy plants. Unglazed flower pots are porous, and water can evaporate from the sides. As such, plants grown in unglazed pots usually dry out faster. This makes them highly suitable for growing epiphytic orchids, cacti and succulents that do not like constant moisture in the root zone. Glazed pots have a thin, glassy, shiny outer surface, which ’seals’ them from moisture.

The plants that you purchase from nurseries are often directly grown in a plain and boring ‘grow pot’, which may stick out like a sore thumb amid the chic surroundings of your home. For a more pleasing visual effect, you can transplant the plant into a nicer grow pot - but this can prove to be a rather troublesome chore.

The good news is that you can easily disguise an ugly grow pot by slipping it into a prettier container. This outer container, usually slightly larger in size, is known as a cachepot. Cachepots are extremely convenient for gardeners, as they can be used interchangeably with different plants. They may come in the form of glazed ceramic pots, Italian terra cotta pots, woven baskets, or window boxes and tubs.

Some cachepots may lack drainage holes at the base. These are helpful for catching excess water, and are suited for displaying plants on surfaces that you need to keep dry, such as tabletops. Do be careful not to over-water plants in cachepots, so that they won’t be left standing in ‘wet feet’ collected at the base of the container.

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Notice the difference between two clay pots - an unglazed pot has a rough finish (left) while a glazed pot (right) has a shiny finish.

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Always soak a new clay pot for at least 15 minutes in water before use. Otherwise, it will ’steal’ water from the plant, leaving it thirsty.

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Cachepots come in a wide range of materials. Clockwise from left: cachepots made of woven plant fibres, plastic, clay and metal.

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Some pots can have holes, such these use to grow epiphytic orchids. Epiphytic orchids prefer to dry out a little between each watering, and the holes in these pots provide aeration for the roots and also allow moisture to evaporate more easily.

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When using a basket as a pot to grow or display your plant, do include a layer of plastic to help to retain soil and water.

 

By Joyce Foo and Pearl Ho

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Jurong Central Zone G Garden- A Good start for 2010

Wishing one and all a very happy and healthy new year. The beggining of 2010 is a good start at our community garden we had our second harvest of sweet potatoes, first harvest of white bitter gourd and play host to visitors from Toyota Motors and also students from Jurong Primary School. It is wonderful that Community-In-Bloom programme has brought people of all ages together.

The visitors get to taste freshly plucked roselle, stevia leaf, roselle drink and also pickled kedondong including homemade kueh-kueh. Students get excited when Mdm Hamidah allowed them to pluck the cosmo and sunflower seeds. The students went home happily and look forward to their next visit to our garden.

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Mdm Kamisah

Gardening Leading

Jurong Central Zone G RC Community Garden

 

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A Pretty Mint to Grow

For a long time, I wasn’t too interested in culinary herbs like mint. However, via a fellow gardening friend from Green Culture Singapore, my perspective about mint took a dramatic turn and I got hooked to the range of mint cultivars that exist. This is perhaps the first time I am ‘declaring’ my love for this group of edible and very aromatic group of plants.

One of the favourite mints is the pineapple mint. Commonly known via the botanical name Mentha suaveolens ‘Variegata’, pineapple mint features very attractive, oval leaves that are variegated. According to the wonderful book ‘The Encyclopedia of Herbs’ by Tucker and Debaggio, this pretty mint should be botanically named as Mentha suaveolens var. suaveolens.

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I got this mint via raising stem-cuttings obtained from material purchased from the supermarket. Fresh stem-cuttings root easily in water. Although called the pineapple mint, the leaves of this mint, when rubbed, do not emit a smell similar in any way to the fruit it was named after. In my opinion, its scent is somewhat sweet and fruity compared to the sharp menthol odour expected from a typical mint plant and this property makes this mint more acceptable to those of us who find the usual mint too strong for the senses. 

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The soft, furry and wrinkled leaves of this particular mint cultivar are edged with white or cream which makes it a great garnishing material for desserts and ice-cream. Like most variegated plants, the variegation seen on its leaves depends very much on the light conditions it is grown under. Pineapple mint must not be grown under full sunshine in the tropics as an entire day’s worth of exposure to intense sun’s rays has been observed to burn the leaves. It thrives better if given filtered sunshine for half a day. Sufficient light exposure is still essential to reduce the likelihood of etiolation of stems.

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Compared to other mints, the pineapple mint is not one of the easier plants to grow. Besides the light factor, its grower has to know that it is not really suitable for growing outdoors without protection from rain. Rainfall in the tropics can be very heavy and all it takes is one very heavy downpour to flatten a colony of this rather fragile mint. Because of its variegation, the pineapple mint is considerably less vigorous compared to other all green mint cultivars.  Under good light, the stems of this mint can become quite thick and grows upright. Under dimmer conditions, it is seen to take on a sprawling growth habit. I prune it often to keep the growth of the plant compact and neat. Grow it in well draining soil that is rich in organic matter and kept moist at all times. Remember to feed it often to promote robust growth. Lastly, never allow a mint to dry out!Wilson Wong
 

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Bonsai Tree

Bonsai is an art of aesthetic miniaturization of trees or making woody or semi- woody plants into looking like trees. Container- grown plants which includes trees have a long history and is even recorded in the Egyptian culture. I must say that the popularity of growing bonsai would be the Japanese. One of the oldest known living bonsai tree can be found in the Tokyo Imperial Palace in Japan. The tree is at least 500 years old when it was first trained as a bonsai.

Some of the common species of plants that can be trained as bonsai are Wrightia religiosa, Podocarpus macrophyllus, Ficus species, Bougainvillea species, Murraya paniculata.

There are many styles that you can train your bonsai into. For example, you can train your bonsai to have a formal upright style where it has a straight, upright and tapering trunk. The branches should be progress in a regular form from having the thickest at the bottom and to the finest on top of the tree. Apart from that there are informal upright style, slant-style, cascade-style, raft-style, literati style, forest style, root-over-rock style, broom style and many more. With so many styles you can choose from, there is really no limit to how you would want to style your bonsai!

Recently, I’ve brought a Brachychiton rupestris (Bottle tree) and I’m training it to become a bonsai! A bottle tree has a swollen trunk and it can actually be trained as a bonsai overseas. My bottle has been stabilized and new leaves are coming up. The base of the trunk is also starting to swell up. In Khatib, they have a bottle tree park. Now in my office I shall grow a miniature bottle tree and train it to be an informal upright style bonsai. =)

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Wyatt Tan

 

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Orchidantha – the Ultimate Houseplant

I was given a division of Orchidantha siamensis by a fellow collector a while ago who knew I was interested in plants that are classified in the order Zingiberales. There is only one genus, that is, Orchidantha, in the Lowiaceae family. This genus consists of about five to eight species of plants that grow in the wet understorey of the lowland forest and are native to Southeast Asia and some Pacific Islands.The genus name is given due to the orchid-like appearance of the flowers produced by these plants. Flowers are usually produced via a subterranean inflorescence and are often hidden away. One of the petals in each flower is enlarged to give a large lip-like structure similar to what is seen in a true orchid. Flowers of one species, Orchidantha inouei of Borneo emits the smell of dung in order to attract small dung beetles as their pollinators! The plant I have freely flowers and thankfully, the smell of its flowers can only be detected when one really goes upclose to them!

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I particularly like the Orchidantha as it is perhaps the most shade-tolerant group of plants I have come across so far. Many foliage plants introduced in many houseplant and indoor plant books cannot match it in terms of the ability to grow and thrive in deep shade often encountered in the indoor living environment. It seems to be also able to tolerate dry air rather well too. From this, I reasoned that they also make good candidates for planting in very dim areas in an outdoor garden.Best grown and appreciated as foliage houseplants that confer a lush tropical feel, Orchidantha species are herbaceous perennial plants with a clumping growth habit. New growth rise from a rhizomatous underground stem. Leaves are lanceoate in shape andhas several pairs of longitudinal veins parallel to the distinct midrib.

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I noticed Orchidantha is best grown in a very shaded area as even rays from filtered sunshine can bleach the leaves, giving them a sickly yellow colour. Intense sunshine will burn them. They prefer to be grown in soil that is rich in organic matter, open and kept moist at all times. Avoid growing them in a windy area as constant air movement can dry plants out. Propagation is easy via division of large clumps.Orchidantha, apparently, have medicinal and folk uses. The scorched leaves of Orchidantha fimbriatum (syn. O. longiflora) are pasted on the back and chest to relieve chest and back pains. Leaves are sometimes used to wrap food in cooking.At present, Orchidantha is still difficult to find in local nurseries but I believe its usefulness as a foliage plant for growing in very shady areas, once discovered, will greatly call for a demand for plants to be made available to the nursery trade. Wilson Wong
 
 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Discover the many uses of the Roselle Plant!

The roselle plant is well known for its fleshy calyces that are used to make a beverage that tastes like Ribena. The drink reportedly possesses anti-hypertensive, diuretic and mild laxative properties, and contains abundant amounts of natural antioxidants such as vitamin C and anthocyanins.

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The pink flower of the roselle plant that looks like a small hibiscus.

 

Either fresh roselle or dried calyces are used to make the drink. They are first boiled in water to yield a deep-red and sour beverage, which is then sweetened with sugar and chilled in a refrigerator before serving.  Besides producing calyces for making drinks, the roselle plant has a stem that is laden with calcyes at every node. This can be turned into an alternative cut-flower material for flower arrangements, after the removal of its leaves. Also, did you know that the young leaves and tender shoots of the roselle plant are edible? They can be eaten raw in salads or cooked as greens either on their own, or with other leafy vegetables and meat. The stems of the roselle plant also yield a fibre that can be used as a substitute for jute in making burlaps.

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A stem with calyces on it makes an attractive cut-flower material for flower arranging.

The roselle plant is easily raised from seeds or stem-cuttings, and is best grown using well-drained, fertile soil. It can be planted outdoors in the ground or inside a container placed on a windowsill or balcony, as long as the plant receives direct sunshine for at least six hours daily. Fertilise regularly with granular fertiliser to encourage vigorous growth and generous production of calcyes at maturity.

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Cut portions of roselle plants are sold as a leafy vegetable in Little India.

Did you know?

If you were wondering what calyces are (singular – calyx), well, they refer to the collection of sepals behind the petals of a flower. Sepals in most flowering plants are leafy and green, forming the outer protective covering of a flower bud. Botanically known as Hibiscus sabdariffa, the roselle plant is a member of the hibiscus family, Malvaceae. The plant is a shrub that produces numerous attractive, pink-coloured hibiscus-like flowers, with a distinctive eye in the centre.

By Wilson Wong

 

 

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Some Lovely Things

Of late, my mind has been filled with images of some lovely things.

 

Living, breathing and very green things — a bunch of creatures completely at ease with nature. 

 

I am not thinking of those fake Christmas trees that light up our streets, malls, offices and homes in the festive season, but the real, raw and fresh ones which have their roots sunken in our homeland.

 

They — these lovely Trees — line our roads and pathways like loyal guards, come rain or shine, every ordinary day. 

 

I find myself particularly fascinated by the Rain Tree, also known by its scientific name of “samanea saman“. The Rain Tree is believed to be native to places as far flung as South and Central America, but has been extensively cultivated and somewhat naturalised in the Pacific regions and other tropical countries like Singapore.

 

I always make it a point to pause in my steps, to look up to the sky above me.

 

The almost symmetrical canopy of the Rain Tree intrigues me. Her large girth wraps around like an over sized brown donut ring. The haphazardness in the pattern of her branch community is by itself extremely captivating. Her branches sprout upward, diagonally and even laterally into an unpredictable green network of small leaves. 

 

The leaves fold and droop systematically, on a grey rainy day — to allow rain to fall through to moisten the ground below her, or at the end of a work day — much like any of us. It is not by coincidence that the Rain Tree is known as “Pukul Lima” in Malay, which means the “Five o’clock tree”.

 

The origin and derivation of the “Rain Tree” name makes this tree all the more enchanting. The tree also exudes a magical feel that is quintessentially charming. On some days with unusual hues of atmospheric light and air particles, the early morning or evening sunlight that bears through the Rain Tree canopy and branches and onto the fungi strewn on its bark, gives rise to a fairytale-like experience.

 

I remember once, many years ago, cruising along the long, undulating and winding stretch of Upper Thomson Road, when that ‘moment’ arrived and I felt like Alice travelling through a tropical wonderland. I was spell bound yet soothed by the golden light reflected by the orange-coloured species of the fungous family that had found their home on the barks of the Rain Tree. It was as if an extraterrestrial light was directed upon my path, lighting the way for me to a world of solace, hope, peace and comfort. It was surreal.

 

The Rain Tree, itself intolerant of shade, nevertheless indulges us with her umbrella canopy and provides in her quiet demeanour, fresh air and cool shade, whenever and wherever we emerge from air-conditioned shafts. When her fruit ripens, the black, curved and lumpy pods explode in mid-air, as if celebrating rebirth. 

 

She wears her jewelled head gear in a convex embrace towards the sky, and struts off draped in her green, green dress, sequined midway at the bust or waist, in fern flair and wild orchids. Her strong intervening roots often make their mark and break out of the tarmac in and around our open air car parks.

 

After the descent of some tropical rain that befalls not infrequently, the brown of the Rain Tree bark would be accentuated into a darker tone of blackish-brown. In a sleepy warm afternoon, she would sometimes be self-awakened by the flamboyance of her pink flowering blooms, and tickled by stamens that drop from her canopy crown like rain.

 

The Rain Tree is deeply alluring to admirers like me, in ways similar to how sweet-loving insects are drawn to her drizzles of nectar sap that sometimes fall from her body like rain. Not many would know that these are but one of the few phenomena to which the name of the Rain Tree has been attributed.

 

I was most delighted to know that the National Parks Board (NParks) maintains a Heritage Tree Register on its website. The Rain Tree is unequivocally one of such amazing Heritage Trees (the last time I checked the register, there were 13 individual Rain Trees marked on this unique register). A few impressive ones which I have spotted include those around the Everton estate and the Singapore Botanic Gardens.

 

The Rain Tree is indeed a living green gift to our city state, spanning pretty across our garden island. 

 

Inspired by the Rain Tree (and driven by the urge to reduce my own carbon foot print on my own initiative since the closure of the ‘Hopenhagen’ summit), I plan to register (and pay) to participate in the NParks’ regular Tree Planting programme.

 

I would happily plant a sapling or two with my family. I imagine that the neighbourhood park in which we may adopt to plant the young saplings, would never quite feel or look the same again — for something symbolic of our family would have been planted and be growing in its midst.

 

I would want to return regularly to visit, to feel the faint grooves in their young bark skin deepening, to share with them our human secrets, and see for ourselves how they are adapting and growing.

 

I find it an immensely comforting thought that the Trees would grow in tandem and in strength with my 2 young boys — as if the tree spirits would look upon them, in a way beyond the mortal ambit and powers of the human watch tower.

 

I imagine my sons’ lanky bodies seeking comfort and shade from their Trees in their teenage years, and many years later, bringing their own children to play or read under their shade. It is my wish too that my husband and I would age gracefully with these green lovely things.

 

Now think: have you planted your Tree or engaged in Some Lovely Things today?

By Lee Seow Ser

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A weedy tree that produces delicious fruit!

A colleague of mine introduced me to this interesting fruit tree. In this part of the world, it can be seen growing just about anywhere ranging from wastelands to the neglected sides of roads and expressways. Known via a range of common names such as Jamaican cherry, Panama berry, Singapore cherry and the strawberry tree, this tree is botanically known as Muntingia calabura and is a member of the Muntingiaceae family.

Native to Central and South America, Muntingia calabura is a pioneer species, often colonizing disturbed sites in tropical lowlands. As a pioneer plant, it could help condition the soil and make it habitable to other plants. However, it might also be considered as an invasive species since it might out-compete indigenous plants.It grows as a small, evergreen tree in the tropics that can attain a height of about 12 meters. It has a dense, characteristic tiered canopy with slightly drooping branches which cast much shade below. It grows and flowers continuously on fan-like branches where the mainline branches becoming erect after leaf fall and so in turn contributing to the formation of the trunk. This tree has furry, serrated leaves that have a sharp tip each.

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The flowers of  Muntingia calabura are each borne singly and develop along a growing shoot. Flowers  are engineered to open sequentially along the elongating branch. Flowers that are about to open and those that have been pollinated are positioned differently – flowers to be pollinated are positioned above the subtending leaf so that it is rendered more conspicuous to pollinators and segregated from the concealed fruit which hangs below. This is also probably to ensure that seed dispersers going after the fruits will less likely damage the flowers.Flowers open just before dawn and last for only a day and bees are the main pollinators although the flowers are also self-compatible. After pollination, small round fruits that resemble cherries are produced. They start out green in colour and turns into a dull red fruit when ripe. The fruits are edible and very tasty – each berry is sweet, juicy and very addictive but contains numerous tiny, yellow seeds. Humans compete with birds and bats (if they occur) for these fruits and due to this, it can be a really difficult task trying to find a ripe fruit in a tree at any one time.

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Each fruit takes about 6 to 8 weeks from anthesis to develop fully and seeds are dispersed by both bats and birds. Fresh seed germination is enhanced by passage through the digestive tract of bats. The seed is well-represented in the seed banks of forest soils and requires the high temperature and light conditions of large gaps in the forest for germination; the seedlings do not tolerate shade.Besides yielding edible fruit, flowers of this tree are used to prepare an infusion against headaches and colds in the Philippines. The pliable bark can be used as rough cordage while the soft wood is harvested and used as firewood. Due to its spreading canopy, this tree provides much shade but it may not be wise to sit beneath it, keeping in mind that there will be birds perching above, foraging for ripe berries to eat. You can expect what will rain down on you if you are sitting below!Wilson Wong


 

 

 

 

 

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Go Green

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“Good soil is the backbone of all gardening: your soil’s health determines your garden’s health.  One of the best ways to build healthy soil is with nature’s own fertilizer: compost.”Eco Garden members of Pasir Ris RC Zone ‘5’ have been using soya bean waste as a part of garden compost for a while now. The discarded soya bean waste is collected from soya stalls such as “Jolly Bean” or “Mr. Bean”. Together with dried leaves and twigs that are collected from nearby parks, as well as fruit and vegetable peels and other ingredients, the rich, healthy and nutritious compost is formed.

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With encouragement from the North East Community Development Council, the Eco Garden members showcased their Go Green project (“Using Compost…”) to residents at the ‘Clean and Green Singapore’ carnival held on 29 November at the open field next to White Sands Shopping Mall. Members shared their interesting experience with the many visitors, and had the chance to introduce this eco-friendly way of creating plant compost to them.

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Anny Tan, Chairman/PR RC Zone ‘5′ and Alice (right)

 

 

On display were plastic containers showing the ingredients that are part of the compost mix. These include soya bean waste, sawdust and wood shavings, crushed eggshells, tea and coffee grounds, dried leaves and twigs, fruit and vegetable peels, and waste paper (only black and white paper is used). These are all placed into the huge compost bin (far left of picture). Residents, especially aunties who have a keen interest in gardening, were amazed that so much of their daily kitchen scraps could be so beneficial for their garden. Many were interested to learn the process of making good garden compost. They were equally eager to start their compost heap for their Community Gardens after that.

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At ‘Clean & Green Singapore’ Carnival

 

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Guest of Honour-Mr. Teo Chee Hean, NEA CEO-Mr Andrew Tan, CCC Vice Chairman-BBM Alvin Yeo, PR Zone 5 RC Chairman-Mdm Anny Tan, CCC Chairman-PBM Ng Cher Peng, CCMC Chairman-BBM Simon Tan, with Pasir Ris RC Zone ‘5’ members   

 

 

The objective of this showcase is to create awareness among residents of the importance of the 3Rs: Reuse, Reduce and Recycle.

 

Done by | AliceTan | CIB Volunteer | Pasir Ris RC Zone ‘5’- Eco Garden |  

 

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The variegated Gardenia – for flowers or leaves?

Gardenia jasminoides (also known as Gardenia augusta) is a fragrant flowering shrub with attractive shiny green leaves and produces fragrant white summer flowers. It is a widely cultivated garden and houseplant and can be grown in pots or outdoors in the ground as a fragrant hedge. Many varieties are now available – there those that are compact and low-growing, flowers are available in both single and double forms, as well as, plants with variegated and non-variegated leaves.

Commonly known as the cape jasmine or garden gardenia, Gardenia jasminoides is a temperate plant that is native to southern China, Japan, Taiwan and possibly also Sri Lanka. In the tropicals, it is reported to do better at altitudes of 400—1200 m. In Singapore’s hot and humid tropical climate, I noticed it prefers to be grown in a semi-shaded location outdoors. Direct sunshine in the tropics is a little too harsh for this shrub. Heat- and water-stressed plants can shed their leaves or their foliage can sometimes taken on an unhealthy yellow colour. 

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In the tropical lowlands, this shrub flowers sporadically with a few blossoms each time. It thrives best in fertile and properly drained soil that is near neutral pH value. Do not let the soil dry out and the root zone should be kept moist at all times. Note that the flowers of this shrub are easily damaged by heavy tropical rains and hence it is better to try growing Gardenia jasminoides in a container which can be easily moved around during the rainy season. Interestingly, this shrub tends to flower during the rainy season and that is not surprising, as that is when the weather is much cooler. Bring a potted flowering specimen under shelter to appreciate the flowers so that the flowers don’t get damaged.When not in flower, the dark leaves of this plant are glossy and make an ideal foliage plant. This is achievable only when the plant is grown under semi-shade. There is a variegated version and one can see a colony being grown in HortPark’s Floral Walk. The attractive leaves of this cultivar are splashed with random swirls and patches of yellow. Unforunately, I faced much trouble trying to find and admire the flowers produced by the variegated version Gardenia jasminoides. The white flowers do not contrast well with the variegated foliage backdrop. 

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Not commonly produced here in Singapore, the fruits of the cape jasmine are used in China and Japan for colouring food yellow. Some extracts are commercially available in Japan and they are used to colour boiled beans, fish eggs, hot cakes, liquor, sweets, ices, noodles, candies and imitation crab. The colouring matter in the fruits contains a glycoside, which is identical with the compound called crocetin found in saffron (Crocus sativus L.). The colouring matter is a type of carotenoid pigment. However, more research is needed to prove the harmless character of the dye. The dye is also used to colour textiles yellow or scarlet.Do you know that the fragrant flowers yield fragrant essential oils and are used in perfumery? In China, they are used for flavouring tea like the common jasmine (Jasminum sambac). Several parts of the plant are used medicinally. The roots are used against headache, dyspepsia, nervous disorders and fever while the leaves are applied in febrifugous poultices. Besides yielding colouring matter, fruits are also used against jaundice and diseases of kidneys and lungs. The seeds contain starch and an oil which is principally composed of palmatic, oleic and linoleic acid.Wilson Wong


 

 

 

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