Categories Perennials | yellow & orange flowers | Crocus angustifolius Crocus angustifolius Common name(s): Cloth-of-Gold Crocus Synonyme(s): Crocus susianus Family: Iridaceae Origin: Ukraine, Krym, Transcaucasus More infos: USDA zone 5. Related plants:Babiana nana Crocus ancyrensis Crocus chrysanthus cv. Crocus ochroleucus Crocus speciosus Crocus tommasinianus Crocus tommasinianus “Roseus” Crocus vernus “Pickwick” Gladiolus communis Gladiolus murielae Gladiolus papilio Hesperantha coccinea Iris bucharica Iris pseudacorus Iris sibirica Iris × barbata “Burmese Dawn” Iris × barbata cv. Neomarica longifolia Tigridia pavonia