Costatum Jack-in-the-Pulpit (Arisaema costatum)

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

Arisaema costatum is a PERENNIAL growing to 0.6 m (2ft) by 0.4 m (1ft 4in). See above for USDA hardiness. It is hardy to UK zone 7. It is in flower from June to July. The species is monoecious (individual flowers are either male or female, but both sexes can be found on the same plant) and is pollinated by Flies. The plant is not self-fertile. Suitable for: light (sandy) and medium (loamy) soils and prefers well-drained soil.

Edible Parts & Harvest Seasons

Edible Parts: Roots/Tubers

Harvest Seasons: Fall, Spring, Winter

Flavor & Culinary Uses

Root - cooked. It is boiled, dried and then ground into a powder. The tuber is 3 - 5cm in diameter. Some caution is advised, see the notes above on toxicity. — It is boiled, dried and then ground into a powder.; The tuber is 3 - 5cm in diameter.; Some caution is advised, see the notes above on toxicity.

Habitat & North American Range

Wet cool woodlands and cliffs, often forming large colonies. Shrubberies, 2000 - 2600 metres. Grasslands in forest areas at elevations of 2300-2400 metres. (Zone 6, Zone 7, Zone 8, Zone 9)