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This is a variety of an Argentinian species, in old reference books called N. hippomanica var. violacea, but whereas the species is an upright tender perennial, modern varieties are low-spreading plants grown as half-hardy annuals. They are perfect for edging beds and paths, restrained enough to grow in a rock garden, and also suitable for edging large containers or potting up for indoor display. Flowering is prolific in a sunny position, and continuous right up to the autumn. Since plants are perennial, it is worth potting up a few in autumn to keep indoors. The Royal Horticultural Society has given it its prestigious Award of Garden Merit.
Plant type: Hardy annual
Flower colour: Blue
Sun exposure: Full sun
Skill level: Beginner
Time to plant seeds: September to May
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