Thalia dealbata, the powdery alligator-flag, hardy canna, or powdery thalia, is an aquatic plant in the family Marantaceae, native to swamps, ponds and other wetlands in the southern and central United States. ... Common Name: Broad Leaf Cattails. 1838. Back to Previous Page. Thalia dealbata Fraser ex Roscoe. Surfing around on line I've found information saying to plant no more than 2" and others saying to plant from 12" to 18". basal (rosulate) Foliage is dusted with white powder. Contributed by: USDA NRCS Jamie L. Whitten Plant Materials Center, Coffeeville, MS . Its range includes much of Coastal Plains and the lower Mississippi Valley (States of South Carolina, Georgia, Alabama, Mississippi, Louisiana, Texas, Oklahoma, Arkansas, Missouri, Illinois and … THALIA DEALBATA SEEDS (Powdery alligator-flag, Hardy canna, or Powdery Thalia) - Plant World Seeds. For many plants, the website displays maps showing physiographic provinces within the Carolinas and Georgia where the plant has been documented. The Atlas of Florida Plants provides a source of information for the distribution of plants within the state and taxonomic information. Genus Thalia can be evergreen or deciduous perennials with long-stalked, lance-shaped leaves and long stems bearing violet-purple flowers in panicles. I must say that I’ve never known this name crop-up in conversation. Roscoe, William. It is a tall plant (to 6-10’) that lends a tropical flavor to ponds and water gardens. Powdery Thalia. Common Name: Powdery Alligator Flag; Powdery Thalia. Transactions of the Linnean Society of London 8: 340. Thalia dealbata. Common Name(s): alligatorflag [English] alligator-flag [English] Taxonomic Status: ... Thalia dealbata Fraser ex Roscoe – powdered thalia, ... is a 'parahomonym' of (different kingdom, same name as) tunicate genus Thalia Blumenbach 1827 (TSN 159657) Subordinate Taxa Rank Verified Standards Met Verified Min Standards Met Unverified  The plant has been grown as an aquatic ornamental because of the pretty violet flowers, and in cultivation has been proved hardy as far north as Philadelphia (Pennsylvania) and Vancouver (British Columbia). Plant Family: Marantaceae (Arrowroot Family) Native/Alien: S.E. THAL-ee-uh day-al-BAH-tuh. Thalia dealbata, commonly called hardy water canna or powdery thalia, is a rhizomatous marsh or marginal aquatic perennial that features long-stalked canna like foliage and violet blue flowers. For plants grown in wet boggy soils, cut back tops and mulch heavily in winter. Blooms July and August.Genus name honors Johannes Thal (1542-1583), German physician.Specific epithet means whitened or covered with a white powder. Thalia Thalia dealbata Illustration by Sydenham … Branch is not responsible for the errors or omissions in pricing and quantity. Containers covered by 18-24” of water will generally overwinter in place. Alligator-flag is a common name for plants in this genus. Marantaceae. Common names: powdery thalia, hardy canna, mealy thalia, powdery alligator-flag, water canna (inglese). Legal Status. Species: Thalia dealbata Fraser ex Roscoe. Native Range: Southern United States, Mexico, Suggested Use: Annual, Water Plant, Rain Garden. Thalia dealbata. Is this the correct depth?  Its range includes much of Coastal Plains and the lower Mississippi Valley (States of South Carolina, Georgia, Alabama, Mississippi, Louisiana, Texas, Oklahoma, Arkansas, Missouri, Illinois and Kentucky). Best in organically rich loams. The generic name is in honor of Johannes Thal, a German doctor who wrote a Flora of the Harz Mountains. 1807. Family: Marantaceae (Prayer-Plant) Distribution: S United States, Mexico. Native. COMMON NAME(S) Hardy Water Canna | Powdery Alligator Flag Location Map for Thalia dealbata (Hardy Water Canna; Powdery Alligator Flag) - 2 Map Locations Found Click a marker pin or a green plant 'dot' for details. Family Marantaceae. Flower Color: Purple. Bog gardens. Plant Type: Herb/Wildflower. Uses. Growing 4-6' tall and flowering at 6-8" tall with powdery purple flowers waving high above the foliage.