Thalia dealbata is an aquatic plant rhizomatous, perennial, originating in the USA. It is composed of oval pointed leaves that grow on long 100-150 cm stiff stems; the leaves are bluish-green with reddish edge and covered with a white film. Mature plants, in summer, producing a spike of violet-blue flowers. It has a fairly fast growing and can reach large sizes. It 'a semi-tropical plant, must be planted strictly below the water level to a minimum depth of 10 cm so that the ice will form in the winter period does not go to dent the roots. Excellent background plant for ornamental ponds, very characteristic. If planted at lower depths, tolerates temperatures up to -14 ° C.
These plants tend to form a dense clump.
On sale from March to October.