Hydrangeas & Zone 10
Hydrangeas & Zone 10. Hydrangeas are shrubby perennial plants best known for their showy blooms. The globe shaped, conical or flat panicles appear in spring and continue on and off through the summer and fall. Different hydrangea species thrive in a variety of climates--in extremely cold winters they can die back to the ground. Plants regrow from the roots when temperatures rise, but gardeners might never see a single bloom on the plants.
Read More