THE LAST TIME I spoke to Alla Olkhovska from her home and garden in Ukraine, she confessed to growing about 120 different types of Clematis—a number that after seeing her recently published e-book “Clematis Passports,” which profiles 140 kinds, I suspect has increased in the year and a half since that chat. Whatever the precise number, suffice it to say that Alla is devoted to growing and propagating Clematis, especially small-flowered ones, and photographing them and using them in cut ...
