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The stems are leafy, ranging in height from as low as 30 centimetres (12 inches) to more than 1.8–2.4 metres (6–8 feet). Flower forms are variable, with one head per stem; these can be as small as 5 cm (2 in) in diameter or up to 30 cm (1 ft) ("dinner plate"). The majority of species do not produce scented flowers.
Dahlia 'Arabian Night' is a branching, tuberous tender perennial cultivar with deep-red flowers, almost black looking, with slightly incurved petals. The fully double flowers are as large as 4 in. wide (10 cm). This Dahlia belongs to the Decorative Dahlias classification and was introduced in the Netherlands by Weijers in 1951.
Dahlias tend to attract quite a bit of insects, some which are dangerous and harmful to their survival. Insects like slugs, earwigs, the red spider, snails, caterpillars, aphids, and thrips threaten dahlias because they can eat the petals, leave slime trials, leave tattered petals, etc. Dahlias can also become infected with the following diseases: Sclerotinia disease, fungal diseases, mildew ...
Dahlias are true showstoppers in the garden, and it's easy to see why. Their unique petal arrangements come in many colors, shapes, and sizes, providing a spectacular display from summer until the ...
'Moonfire' (VanDusen Botanical Garden, Stan Shebs)The following is a list of dahlia cultivars which have gained the Royal Horticultural Society's Award of Garden Merit.They are tuberous perennials, originally from South America, with showy daisy-like composite flowerheads in all shades and combinations of white, yellow, orange, pink and red, flowering in late summer and autumn (fall).
Dahlias come in a seemingly endless variety of shapes, colors, heights, and bloom head sizes, so pick the dahlia most right for your garden. Deadhead the flowers regularly to keep the blooms ...
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