Description from John Scheepers Kitchen Garden Seeds
Heliotropium arborescens. A treasured heirloom with a heady, vanilla fragrance, Marine has dark-leafed foliage and precious clusters of tiny, deep violet-blue, trumpet-shaped flowers. Prized in old-fashioned nosegays for their legendary fragrance and lush flowers, Marine Heliotrope is wonderful interplanted with Black-eyed Susan, Victoria Salvia and Frosted Queen Bachelor's Buttons Mixture. It prefers to be started indoors 10 to 12 weeks before the last frost date and may be dug out and potted up before the first fall frost and brought indoors as a winter blooming house plant. Annual. Summer-flowering. Height: 12″ to 24″. Average seed life: 1 to 2 years.