Tropaeolum minus, commonly called Black Velvet Nasturtium, is a dwarf hardy annual with edible chocolate-black blossoms and gray-green foliage, a great choice for dressing up salads. Sow seeds outdoors 1/4" deep one week after the last frost has past. Do not fertilize, as this will promote more foliage than flowers.
Packet of 25 seeds.
Exposure: Full sun
Germination: 7-12 days
Photo courtesy of Seed Savers Exchange