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Dahlia 'Twyning's After Eight'

single-flowered dahlia tuber

Eventual height & spread

Dahlia 'Twyning's After Eight'

single-flowered dahlia tuber

  • available to order from winter 2020
  • 1 tuber
  • £3.99
  • Unavailable
  • 3 tubers
  • £11.97 £9.99
Delivery options
  • Standard
  • Position: full sun
  • Soil: fertile, humus-rich soil
  • Rate of growth: average
  • Flowering period: July to September
  • Hardiness: half hardy (may need winter protection)

    A decorative form that forms attractive mounds of deep purple foliage, which looks almost black in certain lights. From mid summer until the first frosts, this is topped with branching, upright stems, carrying single, near-white flowers. The contrast is superb and will add real interest to the border. Alternatively, pot it up and place it on the patio, wher it will add a colourful splash for many months of the year. This is a cracking dahlia, that has been given the prestigeous Award of Garden Merit from the Royal Horticultural Society.

  • Garden care: Dahlia tubers can be planted outside after frost, or started off in pots under glass in late winter to early spring. Plant them horizontally approximately 12cm deep, making sure the ‘eyes’ are uppermost. Allow enough room between each tuber so the plants can grow and spread to their full size without being over-crowded. While in growth, provide a high-nitrogen liquid feed each week in June, then a high-potash fertiliser each week from July to September. Stake with canes or brushwood if it becomes necessary. In mild areas, leave them in situ over winter, but protect the crown with a generous layer of dry mulch. In colder areas, carefully lift and clean the tubers once the first frosts have blackened the foliage and allow them to dry naturally indoors. Then place the dry tubers in a shallow tray, just covered with slightly moist potting compost, sand or vermiculite and store in a frost-free place until planting out again.

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