Dahlia's are tuberous perennials that are considered half hardy and may need lifting, planting in a sheltered location and/or mulching in order to over-winter successfully. Their long flowering period (generally July till the first frost) and the generosity of flowers has made them worth the effort to gardeners for centuries.
Black Jack is an upright, bushy, tuberous perennial with toothed, pinnate, bronze- to purple-flushed dark green leaves and sturdy, upright stems bearing huge semi cactus flowers so dark you could lose your soul in them. Dark maroon flowers that have to be seen to be believed.
Full sun to light shade.
Any soil type.
Pot tubers in spring, then plant out once risk of first frost is passed.
Height: 1.1m (approx)
Spread: 0.5m (approx)
This plant is sold as a tuber. Please note, unless otherwise requested, tubers will be sent out in early March. We do not provide a precise delivery date, but you will be contact on dispatch.