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Jerusalem artichoke

Jerusalem artichoke

Helianthus tuberosus

perennial☀️ full sun💧💧 moderate waterZone 2bZone 9b

A tall perennial with sunflower-like yellow blooms and edible tubers that develop underground. Grows vigorously and can spread aggressively, making it useful as both an ornamental and food crop.

Overview

Form
Upright
Growth Rate
fast
Size
5–9.8′ tall × 1–2′ wide
Dormancy
deciduous

Tolerances & Soil

high
Zone 2bZone 9b
1471013
ColderWarmer
Zone range: Zone 2b to Zone 9b

pH Range

47
7.0
3.556.589
pH range: 4 to 7

Soil Texture

Coarse, Medium

Seasonality

Bloom Season

J
F
M
A
M
J
J
A
S
O
N
D

Harvest Season

J
F
M
A
M
J
J
A
S
O
N
D

Season of Interest

SummerFall

Herb

Soft non-woody plants of the field layer.

Succession Role

pioneerearly successional

Native to the United States

Native Range

Central and North America

Native to: Illinois, Indiana, Iowa, Kansas, Michigan, Minnesota, Missouri, North Dakota, Nebraska, Ohio, South Dakota, Wisconsin

Function & Care

biomass/mulchdynamic accumulatorediblewildlife benefit

Edible Parts

rootflowerleaf

Establishment & Care

Establishment
easy
Maintenance
low
Years to Bearing
1 years
Propagation
tuber, seed, division

Notable Cultivars

Common cultivars include 'Fuseau' (smoother tubers, easier to peel) and 'Red Burgundy' (red-skinned, high yield). Both are widely grown for culinary use and storage.