Avocado Seed VaseAvocado Seed Vase (Avocado Propagation Vase) Avocado Seed Vases are specially designed glass containers that make it easy and beautiful to grow an avocado tree from seed. The narrow neck of the vase supports the seed while allowing the bottom portion to sit in water, encouraging roots to develop below while the stem grows above. The clear glass design lets you watch the entire processfrom root formation to sprouting leavesturning propagation into a