Fragrance is essential in a successful garden.  If you are choosing spring-flowering bulbs remember to check labels for any reference to scent.  Hyacinths, of course, are the stars of the scented spring garden, but some varieties of tulips and daffodils are also fragrant. 

I am fond of double daffodils, and two doubles--'Cheerfulness' and 'Tahiti'--have sweet scents.  'Cheerfulness' has white petals touched with gold towards the centers, while 'Tahiti' sports bold yellow petals with warm orange at the middle of the flower.  Both do well in the ground or in pots and can be forced for early spring bloom.

You don't necessarily associate tulips with fragrance, but some have it.  I especially like the double early tulip 'Monsella', which is yellow with bright red strips.  The big, showy, Darwin hybrid tulip 'Daydream' is apricot-yellow (depending on soil and other conditions), looks great in bouquets and exudes fragrance.

In my garden, looking good is a good start, but to make my all-star list, flowers must be fragrant.  The birds, bees and butterflies agree.