Jerusalem Artichoke

Helianthus tuberosus, Asteraceae

Zones

3a–9b

Layer

Root

Lifespan

Perennial

Growth

Fast

Guild Roles

WindbreakPollinator AttractorProducer

Growing Conditions

Sun

Full Sun (optimal)

Water

ModerateModerate

Soil pH

6 – 7.5

Tolerances

Drought

Frost

Heat

Pest Resistance

Disease Resist.

Companion Plants

Common BeanPhaseolus vulgaris

Nitrogen FixationPhysical Support

Cobaea BeardtonguePenstemon cobaea

Beneficial Insect HabitatPollinator Sharing

Swamp MilkweedAsclepias incarnata

Nutrient AccumulationBeneficial Insect Habitat

SwitchgrassPanicum virgatum

Wind ProtectionPhysical Support

Antagonistic Plants

ButternutJuglans cinerea

Juglone from butternut severely affects Jerusalem artichoke tuber development

Palm SedgeCarex muskingumensis

Jerusalem artichoke's aggressive tuber system and allelopathic compounds suppress sedge growth

Pennsylvania SedgeCarex pensylvanica

Jerusalem artichoke's chemical compounds and root competition inhibit Pennsylvania sedge

Wrinkleleaf GoldenrodSolidago rugosa

Jerusalem artichoke's allelopathic compounds and aggressive growth suppress goldenrod

Uses

Functions

Pollinator SupportFood

Edible Parts

Roots

Common Questions

What zones does Jerusalem Artichoke grow in?

Jerusalem Artichoke grows in USDA hardiness zones 3a through 9b.

What are good companion plants for Jerusalem Artichoke?

Good companions for Jerusalem Artichoke include Common Bean, Cobaea Beardtongue, Swamp Milkweed, Switchgrass.

Design guilds with Jerusalem Artichoke and see companion relationships visually.

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