Curry plant is a name often used to speak about Helichrysum. Make sure it refers to the plant scientific name Helichrysum Italicum as it may be used for different species of Helichrysum
When walking by Helichrysum and mostly Helichrysum Italicum (also named Immortelle) we can smell a strong odor that reminds curry that comes from the plant and especially the yellow flowers. The name Curry Plant comes from this typical odor
