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	Plant list: Indigo plants Use in a similar way to blue – to blur the gardens shape, and together with blue and violet for a lovely soft colour display.
	Iris reticulata Iris Bulb Hardy Indigo Mid-green 10cm to 15cm x 4cm to 6cm (4in to 6in x 1.5in to 2.5in) A very delicate and beautiful iris which bears a single, elegant, long tubed flower that has a yellow marking on each ‘petal’. The leaves are narrow, and increase in width with age. Prefers sunny spot.
	Related plant lists: Red plants Orange plants Yellow plants Green plants Blue plants Indigo plants Violet plants