Peppermint, also known as Mentha piperita, is a hybrid plant of water mint and spearmint. It is indigenous to Europe and the Middle East. This plant has light purple flowers and serrated green leaves with a fragrant minty aroma.

The lemon tree, also known as Citrus limon, is an evergreen tree native to South Asia that can reach a height of 10-20 feet. It produces fruit and white blossoms which have a sweet fresh aroma.

Lavender, also known as Lavandula angustifolia, produces beautiful pinkish-purple flowers that give off an intoxicating floral aroma. It is a water-wise plant that is indigenous to the Mediterranean area of Europe.

Spearmint, also known as Mentha spicata, is a hardy herb with a fresh minty aroma, green serrated leaves, and pink-white flowers. It grows throughout Europe and Asia. The name spearmint comes from its pointed spear-like leaves.