Among these cold-tolerant hydrangeas are varieties with pinky-red and green blooms, while others are resistant to those pesky deer and rabbits in your yard.

Bobo panicle hydrangea (Hydrangea paniculata ‘Ilvobo’ Bobo) is a small and useful shrub. Panicle hydrangeas typically are large, growing between 8 and 15 feet tall, but Bobo is small, reaching only 2 ...