Features
Dahlia 'Black Jack'
Supplied As a Tuber
Semi-Cactus Blooms
Very Dark Purple-Black Flowers
Height 1M+
Dahlia 'Black Jack' has huge, near black, dinner plate blooms above dark stems and foliage that has a hint of dark in the leaf. Plant in full sun for the best colour. A stunning dahlia!
Plant in a hummus rich soil, feed and water generously in the growing season.
Height 1M+