Purple Amaranthus – Amaranthus cruentus 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: Purple Amaranthus, Red Cathedral, Prince's Feather Botanical Name: Amaranthus cruentus, am-a-RAN-thus crew-EN-tus Decorative Life: About 7-10 days. Flower Color: Purple, Red, Yellow Availability: Summer Tidbits: Amaranthus is Greek for unfading, in allusion to the unwithering bracts. Bracts are modified leaves generally associated with flowers and often confused with petals. Also known as tassel-flower. The specific epithet name of cruentus means bloody, possibly in reference to red colored flowers. Many members of the amaranth family are considered weeds such as pigweed, tumbleweed and water hemp. Foliage can be colorful, good as dried flower. Commonly grown in the garden.