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Shop > Bulbs and Perennials > Cactus Dahlia Cactus Dahlia A sumptuous cactus dahlia with dark garnet-red flowers with a nearly black centre. The fully double flowers have long, narrow, pointed petals that recurve for more half their length. This dahlia looks great planted in bold groups in a sunny, sheltered border. The flowers are produced for July until the first frosts, when the tubers should be lifted for over-wintering in a frost-free place.Position: full sunSoil: fertile, humus-rich soilRate of growth: average Flowering period: July to October Flower colour: dark garnet-redOther features: excellent cut-flowersHardiness: half hardyGarden care: Provide a high-nitrogen liquid feed each week in June, then a high-potash fertiliser each week from July to September. Once the first frosts have blackened the foliage, carefully lift and clean the tubers and allow them to dry naturally indoors. Place the dry tubers in a shallow tray, just covered with slightly moist potting compost, sand or vermiculite. Store in a frost-free place, checking frequently over the winter months More Information
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