Liana (Climbing Vine) Schizophragma hydrangeoides [Japanese Hydrangea-vine] The Japanese Hydrangea-vine is a shade tolerant vine within the Hydrangea family. Root-like fixtures, or adhesive rootlets, allow this vine to grow vertically up masonry walls, trellis structures, and sides of buildings. Its flowers are lace-cap hydrangea-like clusters that bloom in mid-June through July.