In pots in my backyard, the summer flowers are blooming. ¬†The geraniums, in nine or ten different shapes and colours of bloom are opening their pretty faces. ¬†Although I love most kinds of flowers, the secret love song that I sing is to the humble geranium, or “old lady flower”, as my friend Simon prefers to call it. When you think of geraniums, you probably think of a hardy, unloved plant, ubitiquitous to many a neglected garden, but I always think of aged terracotta pots, and the beautiful lines from the Pablo Neruda poem ‘I’m Explaining a Few Things’- My house was called the house of flowers, because in every cranny geraniums burst: it was a good-looking house with its dogs and children. Then…