Bridal Wreath Spirea Shrub For Cascading White Blooms, Easy Hedges, And Cottage-Garden Charm Cascading White Spring Blooms That Stop You In Your Tracks Bridal Wreath Spirea is famous for one unforgettable moment: springtime, when arching branches turn into a “bridal veil” of white flowers. Blooms line the stems in frothy clusters, creating that classic waterfall effect that looks romantic, bright, and timeless in the landscape. It’s the kind of shrub that makes a front yard feel welcoming...