Yellow giant hyssop is a common name given to the plant Agastache nepetoides, which is native to North America. This plant is also known by several other names, including yellow giant-hyssop, yellow giant hyssop mint, and catnip giant hyssop. The common characteristic among these names is the reference to the color of its flowers, which are yellow and grow in erect spikes. The leaves of the plant are fragrant, and the plant is known for attracting pollinators, especially butterflies and bees. Whether you call it yellow giant hyssop, yellow giant-hyssop, yellow giant hyssop mint, or catnip giant hyssop, this plant is a valuable addition to any garden for its beauty and benefits.