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 | | Verbena bonariensis |
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 | | Verbena |
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 | | Perennial, commonly grown as a half-hardy annual |
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 | | Half-hardy |
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 | | Purple-blue |
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 | | Dark green |
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 | | 1.5m x 60cm (5ft x 2ft) |
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 |  From a basal clump of leaves, wiry stems rise up and bear tufts of tiny flowers. It may need staking, and prefers sun and well-drained soil. |
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