The crossword solution for the term 'Blossom Holder' is STEM. A STEM is a part of a plant that supports the leaves, flowers, and fruits. It is also known as the stalk or the main axis of the plant. The STEM is responsible for transporting water and nutrients from the roots to the leaves and other parts of the plant. It also provides structural support to the plant. In some plants, the STEM also stores food.