Tulipa 'Cafe Noir' - Brooding near-black flowers top the stout stems of this single late tulip. Excellent in late spring and early summer bedding schemes, its rich chocolate-red colouring looks great as a contrast to creamy whites and yellows, or toned with soft pinks.
The color of Trifolium 'Dark Dancer' is somewhere between chocolate and dark purple. This variety of white clover is a good edging plant or ground cover and is hardy in zones 4-10. A Dark Dancer Trifolium plant in a 4.5-inch pot is $7.95 from Easy to Grow Bulbs.
The Black Hero Tulip — features peony-form double flowers of a lustrous maroon so dark it shades to black. Flowers are 4 to 5 inches across and carried on strong 22” stems. Blooms late April into early May.