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Vervain
Verbena rigida ‘Polaris’ (Vervain). This is an easy to grow, perennial which produces colourful and showy flowering spikes which bloom in the autumn. It will brighten up the landscape with its colourful and showy flower spikes.
They are marginally frost hardy to frost tender. Grow them in medium, well-drained soil in full sun or at most partial-shade. This perennial may be pruned severely if it becomes straggly.
Walls, rock garden, ornamental, fragrance, cutting bed, border.
Italics = data drawn from parent genus or species
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