?Red Shiraz? is an attractive basil variety with deep purple leaves which make a colourful addition to green salads and pizza toppings or as an ingredient in purple pesto!  Has a warm spicy flavour with liquorice undertones. Height: 45cm (18?). Spread: 40cm (16?).Basil is easy to grow, ideal for windowsill growing, and a favourite with cooks and gardeners worldwide. The pungent leaves with a spicy, clove-like aroma, have a wide range of uses not only in the kitchen but when planted near tomatoes basil improves their flavour and helps deter whitefly. Half Hardy Annual.