Sneezeweed – Helenium autumnale and H. spp. Share this:Click to share on Pinterest (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window) Designed with love! Our Grower's Choice Subscription freshly picked and delivered to your door every month. Shop Now Common Name: Sneezeweed Botanical Name: Helenium autumnale and H. spp., he-LE-ni-um a-tum-NAY-le Decorative Life: From 12-16 days. Flower Color: Yellow Availability: Fall, Summer Family Roots: As a member of the Compositae (aster) family, it has many relatives including zinnia, chrysanthemum, sunflower, cosmos, lettuce, endive, tansy, dahlia and dandelion. It is native to North America. Personality: It is a perennial up to 5 feet tall, branched with leaves that are about 6 x 1.5 inches. Flowers are tightly clustered in about two inch diameter heads, ray florets 10-20, yellow. Tidbits: From the Greek “helenion” for an Old World plant (perhaps Inula helenium), said to have been named for Helen of Troy. Its specific epithet name “autumnale” indicates at what time of the year it naturally flowers.