"I've got to go. Diarmuid's show is coming on." My otherwise devoted mother has cut short more than one transatlantic phone call with those words. If you haven't yet encountered Diarmuid (pronounced Dermot) Gavin's friendly face under its mop of curling hair, trust me, it's only a matter of time before you do. In England, the success of his television garden makeovers show … [Read more...] about Gavin’s Flower Power