Jerusalem Artichoke Growing Guide

Helianthus tuberosus

Crop Rotation Group

Miscellaneous ●

Soil

Any reasonably fertile, well-drained soil that holds moisture well.

Position

Full sun.

Frost tolerant

Yes. Plants die back to the roots in winter.

Feeding

Not usually required.

Spacing

Single Plants: 1' 11" (60cm) each way (minimum)
Rows: 1' 11" (60cm) with 1' 11" (60cm) row gap (minimum)

Sow and Plant

Set out tubers in spring, planting them 4 inches deep. Plants grow quite tall, and can be used to shade heat-sensitive neighbors.
Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest for your area.

Notes

Can be invasive, so use flowers indoors as cut flowers to reduce reseeding.

Harvesting

Harvest tubers in fall, winter, and early spring, while the soil is cold.

Planting and Harvesting Calendar

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Pests which Affect Jerusalem Artichoke

Aphids (General)

Slug

Snail