Plant Database / Survival Calories / Jerusalem Artichoke (Sunchoke)
Survival Calories

Jerusalem Artichoke (Sunchoke)

Helianthus tuberosus
Asteraceae (Daisy)

A native sunflower relative that yields heavy tuber crops and comes back every year — almost impossible to kill.

EdiblePerennialDrought-toughVigorousSurvival cropStaple calories
Jerusalem Artichoke (Sunchoke) (Helianthus tuberosus) illustration — Texas Roots plant database, by Jordan Polasek
Sun
Full sun
Water
Low
Soil
Tolerant
pH
5.8–7.0
Hardiness
Hardy perennial tuber
Height
5–10 ft
Spacing
18–24 in
Days to harvest
120–150

What it is

Jerusalem Artichoke (Sunchoke) (Helianthus tuberosus) is in the Asteraceae (Daisy) family. A native sunflower relative that yields heavy tuber crops and comes back every year — almost impossible to kill.

How to grow it

It wants full sun, water it low, and give it tolerant soil. Target a soil pH around 5.8–7.0. Space plants about 18–24 in apart. Expect roughly 120–150. Hardy perennial tuber.

How it's used

Jerusalem Artichoke (Sunchoke) is used: roasted, raw, soups.

🔎 How to identify it

  • Tall hairy sunflower stalks
  • Small yellow sunflowers
  • Knobby tubers underground

Edibility

PartsTubers
UsesRoasted, raw, soups
CautionInulin can cause gas; introduce gradually. Spreads aggressively.
🌤 Before you plant: check the live 7-day garden weather to time it right for frost and heat.

Part of the free Texas Roots plant database, compiled by Jordan Polasek from his greenhouse in El Campo, Texas. Free to read and share. If it helped, the best thanks is to grow something.