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Guide to growing Dahlia
Although Dahlia are half hardy perennials they are normally grown as a half hardy annual by gardeners.
Depending on the variety they flower from the middle of summer to the first frost of winter.
Bigger varieties of Dahlia can reach heights of 1.5 metres and carry double flowers in a large range of colours.
Quick Dahlia Growing Guide and Facts
Common Names: Dahlia.
How to grow Dahlia
Dahlia can be grown from either seed or tubers. If growing from tubers then plant with the eye towards the surface at a depth of about 15cm (after the last frost of spring); the seeds of Dahlia should be lightly covered once sown (before the last frost of spring). Ideally Dahlia should be planted into an area of the garden that is sunny; spacing depends on variety, small (30cm), medium (45cm) large (65cm). They like a soil that is of pH6 to 7.5, and is enhanced by the addition of bone meal and humus, and low in nitrogen.
Seedlings of Dahlia can first be grown indoors for later transplanting. They should be started about 10 weeks before they are due to be put outside in the middle of spring. It normally takes from one to three weeks to germinate in individual pots at about 18C.
Caring for Dahlias
Once growing in the garden Dahlias should be fed by the use of bone meal at the beginning and end of summer. Dahlia should be watered in prolonged dry periods, and weekly when in bloom.
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جمعه 19 خرداد 1391 10:32 ق.ظ
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