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The genus Dahlia contains many famous and rewarding summer bulbs that produce dazzling displays from summer to autumn. It contains around 38 species which have large tuberous root systems which produce bushy, herbaceous, bamboo-like stems. Around 20,000 cultivars are predominantly derived from D. pinnata and D. coccinea. Most Dahlias are divided into groups based on the form of their flower heads, from dwarf varieties to tall bushes and even tree specimens.
Harvest flowers during mid-summer months.
Divide 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
It attracts beneficial pollinators such as butterflies, bees and moths.
Brings colour to the garden during autumn months. Flowers range from red, orange, yellow, violet, white, to pink.
Central America, Mexico to Columbia.
Temperate to warm
Loam, Sand, Clay
Soil PH preference
Acid, Neutral, Alkaline
Dahlia have a tendency to be affected by fungal diseases such as powdery mildew or grey mould if planted in poorly draining soil.