I've noticed that many of the wild flowers I've been picking in the last week are in shades of blue. Here's a sampler of: Bellevalia ciliata,Muscari commutatum, Muscari armeniacum (naturalised), Iris unguicularis, Anemone blanda (naturalised), Anemone de Caen (naturalised), Hyacinthoides hispanica (naturalised), Viola odorata, Tristagma (naturalised)