A guide to planting bulbs free e-book http://gardenerstoday.blogspot.co.uk/
Prepare well Remove weeds and incorporate lots of compost or other organic matter when planting bulbs. On heavy soils, dig in horticultural grit. Bulbs grown in pots need good drainage so put plenty of crocks in the bottom and use a well-drained compost. For my pots I use two parts John Innes No 2 with one part horticultural grit. Specialised bulb composts are expensive and only necessary in pots with poor drainage.