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Arisaema Genus

Dragon root

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General Needs

  • LightFull sun or Part shade
  • HardinessHalf hardy (min 0°C)
  • SoilWell drained, Humus-rich
  • WaterSemi-moist

Description

Arisaema genus (Dragon root). This genus consists of 150 tuberous or rhizomatous perennials which can be found in temperate to tropical parts of the northern hemisphere. Their foliage is variable and the leaves are usually divided, sometimes very finely and have a frilled base on the flowering stem that will emerge through the centre of the foliage. The flowering stems will vary in height depending on the species. They carry a single flowering spike in the spring or early summer.

Characteristics

Perennials, Bulbs, Fragrants

Other common names

Dragon arum

Origin

Himalayas, China, Japan, N.America

Interest and use

Grown for the large, curious, hooded spathes, each enclosing a pencil-shaped spandex.

Cultivation

They are fully to half hardy and will need sun or partial shade and humus-rich soil. You will need to plant the tubers about 15cm deep in the spring.

Propagation

Propagation is by seeds in the autumn or spring, or by offsets in the spring.

Pests, diseases or disorders

Vulnerable to slugs and vine weevils.

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