I've lived in my house for 30+years and in all that time have planted loads of bulbs. They never seemed to flower much and eventually disappeared altogether. About 3 years ago I made three raised beds for perennials and filled it with very good top soil and lots of manure, which has been added to over the seasons. I also planted approx 50 daffodils, loads of miniature iris and a couple of dozen tulips. This year I've had 2 iris, 14 daffodils and 8 tulips. Has anyone any idea why my garden won't grow bulbs? We don't have any squirrels here as there are very few large trees in the surrounding area.