Heliotrope (Heliotropium arborescens) is grown as an annual in Front Range Colorado containers or gardens. It will not self-seed. There are many named cultivars and selections with flowers from white to pink to deep violet-blue. In fertile, moist but well-drained soil in full sun, most varieties will form a 12- to 18-inch bushy shrub. There are also dwarf varieties. Seed is sown in spring at 61 to 64 degrees F. Stem tip cuttings or semi-ripe cuttings of named cultivars can sometimes be rooted.
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Does heliotrope (Heliotropium arborescens) reliably self-sew? What size can they reach in full sun in a Colorado Front Range garden?
Last Updated: January 22, 2012
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