Jerusalem artichoke
Helianthus tuberosus
Sunchoke. A sunflower grown for knobby inulin-rich tubers, not artichokes and not from Jerusalem. Inulin ferments in the gut — start with small servings.

GROW → HARVEST → EAT → DRY → POWDER → CAPSULE → GUMMY — forms are not equivalent. Food first.
Identity
Also called: sunchoke, Sunchoke sunflower, sunflower-jerusalem
What it is
Sunchoke. A sunflower grown for knobby inulin-rich tubers, not artichokes and not from Jerusalem. Inulin ferments in the gut — start with small servings.
Edible portions
- tubers
Absence of a portion from this list means it is not treated as food here — not that every other part is toxic.
Growing
- Climate. 3–8 perennial, can be weedy
- Light. Full sun
- Soil. Loose, average
- Planting. Tubers. Once you have it, you have it.
- Harvest. After frost; leave some in the ground.
Preparation and culinary uses
- Roast, raw slices, soup
Nutrition and compounds
- Minerals (qualitative). iron, potassium — look up current USDA FoodData Central entries for numbers.
AAA interpretation Food first. These associations explain why a plant shows up in a nutrient conversation — they are not a supplement shopping list.
Safety
- Inulin can cause gas. Small servings first. Not an ‘artichoke extract’ supplement.
Next steps
Sources
- USDA PLANTS Database — taxonomy and range (verify current entries)
- USDA FoodData Central — nutrient profiles for foods (verify current entries; this page does not invent milligrams)
- State cooperative extension growing guides — verify for your region
Honest incompleteness is preferred to fabricated completeness. If a section is missing, no record for it is attached here — not a claim that the plant lacks that characteristic, and not that it was omitted as a secret.
Internal quality class A. Strong page: distinctive plant facts plus practical growing or kitchen use.