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9 cm sized pot. This is a tender perennial that I overwinter in the glasshouse as it doesn't enjoy frost! But it is worth the effort, it has large olive green furry leaves that are purple on the underside. It can reach up to 1m tall and has gorgeous blue spikes of flowers. It likes a sunny position in well-drained soil and I like to plant it next to various heleniums for a great contrast or could also look lovely planted with purple flowering plants to highlight the leaf colour.