🌿 Morphology
🌞 Growing conditions
🌍 Origin and family
🌾 Uses
Warning: Despite the care taken in writing this sheet, it is essential to cross-reference sources before using or consuming any plant. When in doubt, consult a qualified professional
Permaculture uses
The rhizomes are the primary edible part, cooked and used as a starch. Leaves can be used as animal fodder. The plant is useful as a windbreak and for erosion control due to its rapid growth and dense foliage. It can also act as a dynamic accumulator, drawing nutrients from the subsoil. The fibrous residue from starch extraction can be used as mulch or compost.
Permapeople description
A tropical plant cultivated for its edible rhizomes, which are a source of starch.
Botanical description
Canna edulis is a robust, perennial herb reaching up to 3 meters (10 feet) in height. It has large, broad, green leaves resembling banana leaves, arising from thick, fleshy rhizomes. The flowers are asymmetrical, typically red or orange, though less prominent than those of ornamental Canna species. The fruit is a capsule containing hard, black seeds. The plant thrives in moist, fertile soils and requires a warm climate.
Companion planting
Canna edulis is a heavy feeder, so it can benefit from being planted near nitrogen-fixing plants. It can provide shade for more delicate plants. Avoid planting near plants that are susceptible to fungal diseases, as Canna edulis prefers moist conditions. It can be used as a border plant to protect smaller plants from wind.
Propagation methods
Propagation is typically done by dividing the rhizomes. Sections of rhizome with growing points can be planted directly into the ground. Seed propagation is possible but less common due to variability and slower growth.
History and traditions
Canna edulis has been cultivated for its starchy rhizomes in the Andes region of South America for millennia. It was a staple food crop for pre-Columbian cultures. The rhizomes were traditionally roasted, boiled, or ground into flour. In some cultures, the leaves were also used for wrapping food.
Usage calendar
Plant rhizomes in spring after the last frost. Harvest rhizomes in fall or winter after the foliage has died back. Flowering occurs in summer. Regular watering is required during the growing season. Deadhead spent flowers to encourage more blooms.