A rhizome is a piece of a hop plant that will sprout roots when planted, and it's what you will need to purchase if you want to add hops to your garden. Rhizomes are available from most online and local home brew shops in the spring.
A snake ring on the third finger suggests this is an emotional person and they are using the snake to mitigate their emotions. A snake ring on the fourth (little) finger, suggests this is a person with sexual inhibitions and they are using the snake to either hide or overcome this problem.
The snake is associated with the Moon because of its ability to change or renew its skin, which is similar to the Moon's waxing and waning. Both the Moon and the snake are associated with immortality, and the legendary soma drink (which bestows immortality) is brewed from the Moon tree.