'Royal Robe' is a superior cultivar of blue potato bush, selected for its more compact, bushy habit and deeper, richer purple-blue flowers with yellow centers. It blooms nearly year-round. Native to South America, Lycianthes rantonnetii 'Royal Robe' is ideal for smaller gardens and containers.
More compact (4-6 feet), denser flowering, better cold tolerance. Full sun to part shade. Well-drained soil. Prune to shape. In zones 9-11, evergreen; cooler zones, container. All parts toxic (nightshade family).
Excellent for mixed borders, containers, flowering hedges. The deep purple flowers contrast beautifully with yellow or chartreuse foliage. Attracts butterflies.
| Family: | Solanaceae (so-lan-AY-see-ee) |
| Genus: | Lycianthes (lish-ee-AN-theez) |
| Species: | rantonnei |
| Cultivar: | Royal Robe |
| Synonym: | Lycianthes rantonnetii |
| Synonym: | Solanum rantonnetii |
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