TEMPTING BLOOMS are everywhere this time of year, but if you want to create a truly swoon-worthy display, you can’t just pluck a fistful of tulips from a bucket at the store and stick them in a vase.

A new generation of floral designers is incorporating fresh styles into their creations. Four leis by Andrew Mau, the owner of Honolulu’s Island-Boy boutique and a former furniture designer turned ...