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The genus Dahlia contains many famous, rewarding summer bulbs that produce dazzling displays from summer-autumn. This genus contains around 42 species which have large tuberous root systems and produce bushy, herbaceous, bamboo-like stems. Many many more cultivars have been developed for garden use. There are 11 different sizes, from dwarf varieties to tall bushes and even tree specimens. It is also available in a variety of different colours, almost all but blue.
Harvest flowers during mid-summer months.
Division of large clumps of bulbs and offsets in the dormant period (winter). Place offsets 20-30 cm apart and at a depth of 8 cm.
Attracts useful insects
Central America, Mexico to Columbia.
Temperate to warm
Loam, Sand, Compost, Chalk
Soil PH preference
Red, orange, yellow, violet, white, pink., Multi coloured
Dahlia have a tendency to be affected by fungal diseases such as powdery mildew or grey mould if planted in poorly draining soil.