Posted: 16/12/2013 at 17:35
You'll find them on sale around March time after they've finished flowering - they don't grow well as dried bulbs so the usual practice is to buy them 'in the green'.
There'll be loads of sellers in the small ads in the back of Gardeners World magazine.
Just make sure you buy guaranteed English grown ones as some unscrupulous people dig up wild ones abroad and sell them.
Lots of different varieties available so now is the time of year to do some googling to see which ones you want to buy.
You might find some in little pots in garden centres in January, but it's an expensive way to buy them.