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Archive for April, 2008

crocusCrocus refers to a genus of several dozen species of small clump-forming perennials that have their origins in many different Zone 3 regions from southern Europe to China. They are most noted for being some of the very earliest spring flowers. Crocus have since been cultivated into a wide variety of hybrids, most developed in Holland.

Crocus are most impressive when planted en mass. Pick out a large sunny area in the garden, lawn, or a wild area (rocky spots are great). Plant large drifts using groupings of 20-30 bulbs spaced about 3-4” apart. Crocus are ideal for this kind of naturalizing. Many varieties will thrive and bloom for upwards of 20 years! In the lawn, crocus have perfect timing. They will bloom well before grass starts to grow and by the time it reaches mowing height, the crocus are finished for the season. Established crocus clumps bloom earlier than first-year plantings, so avoid planning your garden colours around first-year bloom times. (lebih…)

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A successfully naturalized daffodil field can bloom for up to 30 or even 50 years! First, choose an area with good drainage and sunlight. An area where grass can be left unmown until the foliage has matured is ideal. Hillsides are excellent spots. The edges of woods are also good, if you are planting an early-blooming variety which will have a chance to mature before the trees come into full leaf. For best impact, plant drifts of like kinds and colours. Many gardeners “arrange” their drifts simply by taking handfuls of bulbs and throwing them about for a natural-feeling distribution — just dig where the bulbs land!

daffodilsWhen naturalizing daffodils, you will get the best results and many years of blooms by taking the time to plant properly. For most naturalizing projects, you will be working in uncultivated soil with thick sod, so it is necessary to give each bulb a small custom-cultivated hole. Usually, this means lifting out soil with a spade. One clever way to make precise bulb holes is to use a battery-powered drill – a half-inch drill with a 3” bit usually does the job. Work up the soil from the hole with some peat moss, sand and about a tablespoon of low nitrogen fertilizer. (lebih…)

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hyacinthThe Hyacinth is a member of the large and lovely Lily Family. (Consider its tubular florets and intense fragrance and you’ll understand the connection.) Hyacinths thrive in well-drained soil and full sun to partial shade. Throughout most of the U.S., they will return year after year, adding beauty and fragrance to garden beds and indoor bouquets. Dutch bulb growers have cultivated Hyacinths since the 17th century. By 1838, these brilliantly coloured spring gems had become so popular that more than 2,000 varieties were available! The uniform, upright shape of the flower spikes and jewel-tone colours made Hyacinths a favourite for formal Victorian gardens. Now 21st century gardeners are rediscovering this classic flowering bulb, which complements gardens of all sizes and styles. For a bold, dramatic effect in your spring landscape, fill an entire bed with a single Hyacinth variety, or plant masses of Hyacinths to form a large, gently curving swath of colour. For even more visual excitement, plant a single variety of tulip of a contrasting colour along both sides of the Hyacinths — choose a tulip that will bloom simultaneously with your hyacinths. (lebih…)

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Fall is a great time for planting lilies. Lily “bulbs” are actually tubers composed of fleshy scales and lack a protective covering. Unlike true bulb flowers, they never go completely dormant and should be handled carefully since they loose moisture very quickly. Essentially, you can plant your new lilies anytime before the ground freezes. The most natural location for lilies is on sloping ground with excellent drainage. It’s a good idea to place them with other low plants which can provide shade for the bulb and root system. Prepare the soil with large amounts of organic matter such as leaf mold or compost. Plant with the roots downward and the scales

tulip

upward. After planting, water well two or three times before freezing. Lilies are most effective when planted in groups of three or more. Space them about a foot apart – they will spread and fill this space in no time!

lilyVersatile Asiatic Lilies are great for beds and borders, planted among shrubs, along walls, or in containers. They are incredibly easy to grow and few garden pests trouble them. For best results, plant your lilies where they will have good drainage and mix some leaf mold or compost into the soil. Lilies prefer to have their blooms in the sun and their roots in the shade. Try planting them among annuals or perennials that will keep their roots cool. Always allow the leaves on the stalk to turn yellow and fall off as part of the lily’s natural growth process. This ensures that the bulbous underground part of the plant has gotten enough nourishment and will mean greater growth next year. Each year watch their beauty increase as they multiply! (lebih…)

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dahliaDahlias can be started indoors in individual pots with damp peat moss and vermiculite. You must use caution when transplanting them outdoors. Plant dahlias outdoors after all danger of frost has passed. Choose a sunny site with well-drained, sandy soil. Dig a hole a little larger than the 2” you’ll need to plant the Dahlia. Amend soil with peat moss or compost. Replace about half the soil, then place tubers flat and cover with remaining soil. Space tubers 12-36″ apart depending on variety. Water after planting and not again until shoots appear. Stake plants. As plants grow increase watering. Fertilize sparingly. Pinch and disbud dahlias for later and larger flowers. Buds tend to grow in threes; two-sided ones should carefully be pinched to develop the central bloom. This is especially important with border or pot plant dahlias. If the plants are not pinched back, they will not retain their low compact size.

In areas with winter freeze, carefully dig the tubers in fall after the frost kills the foliage. Cut the stalk approximately 6″ above the tuber. Dahlias should be dried for only a couple of hours before storing in plastic-lined shallow boxes with a blanket of vermiculite or peat moss. Hardy in Zones 8-10.

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gladsGladiolus grow best in sandy, well-drained soil rich in organic matter in full sun. After last frost, dig a trench 8″ deep. Add compost and Breck’s Plant Food to the trench. Cover with 2″ of soil. Firmly place bulbs on soil, pointed ends up, 6″ apart. In a flower border, plant a group of at least 10 bulbs for best effect. Cover with remaining soil. Water well and add 2″ of mulch to conserve moisture and keep the roots cool. Begin planting in mid-spring and continue to plant every two weeks until mid-July for flowers throughout the summer. Bulbs will bloom from 70-100 days from planting, depending on the lateness in the season. Tall-growing varieties may need staking. Water well throughout the growing season. Fertilize when the flower spikes first appear and after the flowers are picked. Dig up the corms 4-6 weeks after the flowers fade. Remove as much soil as possible and cut off flower stalk 1″ above corm. Dry and store the bulbs indoors for the winter. Hardy in Zones 8-11

Hardy Glads
gladsIn fall, plant in almost any type of well-drained garden soil in full sun. Plant the corms 4-6″ apart in clumps approximately 3″ deep. Fertilize when planting with any 5-10-5 fertilizer but avoid animal manure since it may encourage rot. Mulch over the winter for protection. Hardy in Zones 5-10.

(lebih…)

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Penulis : Ir. Darliah, MS

Tahun : 2007

Mawar Ratu dari segala jenis bunga yang mempunyai nama lain Rosa hybrida L. ini, telah berkembang dengan pesat di negara-negara sub tropis sebagai bunga potong. Di Indonesia, volume penjualan bunga mawar menempati peringkat teratas.

Sebagai bunga potong, varietas-varietas baru bertangkai panjang dengan banyak keragaman warna, pada umumnya baru diusahakan pengusaha besar. Bibit masih harus diimpor dan harganya mahal. PENDAHULUAN Mawar “Ratu dari segala jenis bunga” yang mempunyai nama lain Rosa hybrida L. ini, telah berkembang dengan pesat di negara-negara sub tropis sebagai bunga potong. Di Indonesia, volume penjualan bunga mawar menempati peringkat teratas. Sebagai bunga potong, varietas-varietas baru bertangkai panjang dengan banyak keragaman warna, pada umumnya baru diusahakan pengusaha besar. Bibit masih harus diimpor dan harganya mahal. (lebih…)

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