how to know if hydrangea is dead
1. Walk around the hydrangea and inspect it from all sides. If you see blossoms and green leaves, the plant is not dormant -- it is in a metabolically active state.If you see fallen leaves and withered flowers, the hydrangea is dead or dormant.. Walk around the hydrangea and inspect it from all sides. If you see blossoms and green leaves, the plant is not dormant -- it is in a metabolically active state.