Thyme is one of the best-known and most widely used herbs. It’s a striking plant with purple flowers, attracting bees and other insects. It grows into a spreading carpet of tight, shrubby growth and is ideal for filling in crevices in rock gardens and patios. It’s also suitable for growing in pots with other Mediterranean herbs, such as oregano and rosemary. The foliage releases a strong aroma when crushed or brushed against.