Louisiana Canna (Canna glauca)

Family: Cannaceae | Edibility: Edible (2/5)

Canna glauca is a PERENNIAL growing to 1.5 m (5ft). See above for USDA hardiness. It is hardy to UK zone 10 and is frost tender. It is in flower from August to October, and the seeds ripen in October. The species is hermaphrodite (has both male and female organs). Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils.

Edible Parts & Harvest Seasons

Edible Parts: Fruit, Roots/Tubers

Harvest Seasons: Early Summer, Fall, Late Summer, Spring, Winter

Flavor & Culinary Uses

sweet but fibrousy. — The starch can be extracted and used as an arrowroot.; The arrowroot is obtained by rasping the root to a pulp, then washing and straining to get rid of the fibres.; Very young tubers can be eaten cooked, they are sweet but fibrousy.; One report suggests that the fruit may be edible but gives no further details.

Habitat & North American Range

Margins of marshes, swamps, ponds, and wet ditches; 0--100 metres. (Zone 9)