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Helianthus tuberosus

Jerusalem artichoke

Garden

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Features

  • BloomsNovember to March
  • Height2.2m to 2.4m
  • Spread0.4m to 0.6m
  • Growth HabitUpright rosette
  • Flower ColourYellow
  • Leaf ColourMid green

Description

Helianthus tuberosus (Jerusalem artichoke). This species is native to east and central USA, It will spread quite rapidly producing a forest of slender stems terminating into small yellow flowerheads. The summer watering and feeding will give yields of larger more succulent tubers.

Characteristics

Annual, Vegetable

Origin

East and Central America.

Interest and use

Vegetable contains vitamin c and many mineral salts.

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Needs

  • LightPart shade
  • HardinessFrost hardy (min -5°C)
  • SoilWell drained, Fertile, Low salinity
  • Soil pH5.0 to 7.0
  • WaterSemi-moist

Cultivation

Harvesting may start in Late autumn. Harvesting may end in Early winter. Fairly easy to grow.

Propagation

Seed or division in autumn or spring.

Pests, diseases or disorders

Slugs and snails.

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