Jerusalem artichoke

Helianthus tuberosus

Layer 6 · Roots
Edible companion

Status by region

No restrictions recorded in the lists we checked.

Checked against the European Union list (Regulation 1143/2014) · Portugal's national invasive species list (Decreto-Lei 92/2019).

Information based on the cited sources, not legal advice — always confirm your local rules.

About

Perennial plant native to North America cultivated for its edible and nutritious tubers. It features vigorous growth and tall stems that serve as a temporary windbreak. It integrates perfectly into the underground layer of a food forest.

See which trees Jerusalem artichoke grows well with

We have no trees recorded with this species yet. Start from the tree on your land.

See the central trees

No account needed.

Needs

Water: Medium
Light: Full sun
Size: Herbaceous perennial up to 3 m
Mature diameter: 1 m
Soils: Clay, Loam, Sandy
Climates: Atlantic coast, Inland / Continental, Hot, dry Mediterranean, Mountain / cold

Calendar

January — Harvest
February — Harvest — Planting
March — Planting
April — Planting
May
June
July
August
September
October — Harvest
November — Harvest
December — Harvest

Harvest
Planting

Medicinal use: The edible tubers are rich in inulin, being beneficial for digestion.

Where to buy

May grow well with

Suggestions worked out from growing conditions — same soil and climate, complementary layers and functions. These are not observed guilds; treat them as a starting point to try on your own land.