When it comes to plants I wear my heart on my sleeve. If I look at something in depth and it fires my interest I want it. Or them. All of them, probably. That one and that one and that one. This can be impractical – Walnut trees, for example. Ancient yew trees. Potatoes. Fortunately, my current passion is for snowdrops. Having recently visited a number of snowdrop gardens including Welford Park , Kingston Bagpuize and the national collection at Colesbourne Park I am now thoroughly converted. Details of my pilgrimage can be found in the Jan 2nd 2010 issue of Amateur Gardening magazine, but it turns out that snowdrops are more than short, white and quite pretty when there is not much else to look at. They are not keen on deep shade (oh!), they have a vast natural variation (really?) and, as I was emphatically told by Colesbourne’s snowdrop supremo John Grimshaw, the planting-in-the-green thing is a myth. Move ‘em in summer, apparently. It goes against everything I have ever been told, bu...