The round mop-heads of hydrangeas fill the garden with pleasure all summer and fall, but these plants are not so hardy and if you have cold winters you will find most of them hard to grow. But don’t despair, because the Annabelle Hydrangea is a native hydrangea that is hardy to minus 40 and is covered in huge crystal-white balls of flowers from mid-summer to the end of fall, even in shady corners of your garden. A perfect specimen, for mass-planting or as a low hedge or border plant, this…
