How to Grow Helianthus Tuberosus

Helianthus tuberosus, or Jerusalem artichoke, is a fall-blooming member of the sunflower family and has edible roots. Adaptable to a range of conditions and soils, this plant is often seen growing along ditches and in open fields. Its tubers can be pickled, made into flour or eaten raw. There are several Jerusalem artichoke varieties available for planting in home gardens. They are sold in grocery stores under several names, including Lambchokes and Sunchokes. These easy-to-grow flowering plants put on a show of daisylike, bright yellow flowers in the fall.

Tiller (optional)
Turning fork
Compost
Fertilizer
Loppers

Instructions

- 1
  Choose a growing spot in full sun. Till or turn 6 inches of compost into the top 12 inches of soil.
- 2
  Plant Jerusalem artichoke tubers 2 to 3 inches deep and two to three feet apart. Water the area well.
- 3
  Begin fertilizing the plants monthly with a balanced fertilizer, such as 6-6-6 or 10-10-10, when sprouts are 6 inches tall. Stake the gangly stems if you want to keep them upright.
- 4
  Dig and harvest Jerusalem artichoke tubers any time after September. Cut the tops back to the ground before harvesting. Leave enough tubers in the ground to grow next year's crop, or dig and store some for that purpose.
- 5
  Store Helianthus tuberosus tubers in 95 percent humidity at 32 degrees Fahrenheit. Place them in polyethylene bags in the refrigerator since they do not form thick skins and lose moisture quickly.

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