This vigorous, upright rosemary produces spikes of purple-blue flowers, from mid-spring to early summer, so it’s ideal for adding colour and vertical interest to the sunny border or herb garden. It’s for the aromatic, needle-like foliage however that this plant is most often sought after, because these can be used to add flavour to roasted vegetables and meats.Position: full sunSoil: well-drained soilRate of growth: averageFlowering period: May to JuneHardiness: frost hardy (needs winter protection)Sold in a 11cm pot.