Blackberry Ripple is just a superb looking cactus dahlia. The flowers are stunning being white with purple blotches and stripes. Dahlias will flower all summer long and as such provide fantastic colour to any garden. Blackberry ripple can also be used for cut-flower.
Dahlias are best started off indoors from January to March to protect them from frosts. Plant outside from the end of March when the signs of frost have gone. When planting indoors use a fine free draining medium and keep soil moist and frost free. Alternatively plant tubers straight into well prepared soils in late March to April.
Soils should be cultivated to a depth of 20cms to allow good root development. Plant tubers in fertile soils with 5cms of soil above the top of the tuber. Protect early growth from slugs and snails. During the growing season remove dead flower heads to encourage new flower growth and thus get the best from them. Plant dahlias in areas with plenty of air flowing around them and in soils that are warming up after the winter. Regularly feed during the growing season with foods such as are well rotted manures, Tomato feed and bone meal.
In free draining soils the tubers can be left to overwinter as long as they are given a good layer of dry mulch for protection.
Flowering Height: 50-60″ (135-150cm)
Flowering Period: July to first frosts.
Soil type: Free draining humus rich soils, in heavier soils add grit to help with drainage.
Aspect: Semi shade to full sun.
Can also be grown in containers and they are often used for cut flowers
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