Jerusalem artichoke
Helianthus tuberosus
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Pl. 6338 — Helianthus tuberosus
Helianthus tuberosusHelianthus tuberosusHelianthus tuberosusHelianthus tuberosusHelianthus tuberosusHelianthus tuberosusHelianthus tuberosusHelianthus tuberosusHelianthus tuberosusHelianthus tuberosusHelianthus tuberosusHelianthus tuberosusHelianthus tuberosusHelianthus tuberosus
IOverview
Overview
Helianthus tuberosus is a perennial forb or herb native to North America, specifically found in various regions including Alabama, Arkansas, and Colorado, among others. It is known for being edible, with its root being the part utilized for consumption. This plant is a member of the sunflower family and can be recognized by its tall stature, typically growing between 1.5 to 3.0 meters in height. One of its distinctive features is its ability to thrive in a variety of conditions, including different levels of light, water, and soil types, making it a relatively adaptable species. Its hardiness and perennial life cycle also contribute to its notable characteristics, allowing it to be propagated through seed or division and maintained with proper spacing and soil conditions.
Quick answers
What is Jerusalem artichoke?
Helianthus tuberosus is a perennial forb or herb native to North America, specifically found in various regions including Alabama, Arkansas, and Colorado, among others. It is known for being edible, with its root being the part utilized for consumption.
What is Jerusalem artichoke used for?
Traditionally used for digestion. Each claim is evidence-rated — see Section II for full citations.
Best for
Top 1 evidence-ranked use of Jerusalem artichoke
Clinicaluses · safety · chemistry · dosagemedicinal profile
IIBenefits & evidence
1 claim · 0 sources
Benefits & evidence
1 claim · 0 sources- Traditional-use note: Jerusalem artichoke appears in herbal sources around after-meal comfort traditions, often as a tea. PlantSage presents this as ethnobotanical context, not as medical advice.
Traditional context only. This reviewed claim keeps the original low confidence level, but avoids treatment, disease, dosage, or guaranteed-effect language.
IV·bMixology suggestions
1 draft
Mixology suggestions
1 draftEditorial drafts. These pairings are AI-suggested from traditional herbal lore. Always verify with a qualified herbalist before brewing.
Jerusalem artichoke support blend
generaltea
AI returned a direct ingredient list; normalized into one draft blend for editorial review.
Growingconditions · propagation · uses
VCultivation
Cultivation
This perennial plant prefers well-drained soil with a pH between 4 and 7, and can thrive in a variety of soil types, including light, medium, and heavy. It requires a significant amount of light, with a rating of 8 out of 10, and can tolerate dry to moist water conditions. Hardy in temperate regions, it can be propagated through direct sowing of seeds, transplanting seeds, or division. For optimal growth, it should be spaced 12-18 inches apart, with rows 36 inches apart.
Light
8/10
Water
Dry, Moist
Soil
Light (sandy), Medium, Heavy (clay)
Hardiness
4-8
Life cycle
Perennial
Habit
Forb/herb
Mature size
1.5-3.0m m × 1.7 m
Soil pH
4–7
- Propagation
- Seed - direct sow, Seed - transplant, Division
- Days to harvest
- 120-150
- Spacing
- 12-18 inches (30-45cm), rows 36 inches (91cm)
For first-time growers
How to grow Jerusalem artichoke for the first time
7steps
Start with Jerusalem artichokes for a low-maintenance, rewarding experience.
- 1
What you'll need
Seeds or divisions, garden space, compost.
- 2
Best time to plant
Plant in early spring after the last frost or late summer for fall harvest.
- 3
Soil and container prep
Choose a well-draining spot with light to medium soil. Amend with compost if needed.
- 4
Sowing or transplanting
Direct sow seeds 1-2 inches deep, spacing them about 30-45cm apart. For divisions, plant in early spring.
- 5
First two weeks
Keep the soil moist and mulch lightly to retain moisture and suppress weeds.
- 6
Ongoing care
Water regularly during dry spells but avoid overwatering. Mulch around plants for winter protection in colder regions.
- 7
Harvest or pruning
Cut back foliage after the first frost, then harvest roots when needed throughout fall and early winter.
VIEdible & utility
Edible & utility
Edible parts:Root
Edible uses: Coffee, Sweetener
Other uses:BiomassDynamic accumulator
Contextrange · companions · related
VIIDistribution
30 native · 0 introduced
Distribution
30 native · 0 introducedDistribution across1 continent· 30 native
Asia1 region
native (1)Georgia
Broader regions
native:New Brunswick, Ohio, Mississippi, Nebraska, New Jersey, Nova Scotia, Michigan, Minnesota, North America, Missouri, Massachusetts, New Hampshire, New York, North Dakota, Arkansas, Maryland, Connecticut, Delaware, District of Columbia, Florida, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Oklahoma
VIIIGarden companions
8 pairs
Garden companions
8 pairsKeep away from these
Avoid planting nearby — competition, allelopathy, or shared pests/diseases.
Turnip
Brassica rapa
Resource competitor
Management warning: vigorous spreaders or allelopathic plants are best isolated from productive beds unless contained.
Cucumis melo
Cucumis melo
Resource competitor
Management warning: vigorous spreaders or allelopathic plants are best isolated from productive beds unless contained.
Daucus carota
Daucus carota
Resource competitor
Management warning: vigorous spreaders or allelopathic plants are best isolated from productive beds unless contained.
Wild Strawberry
Fragaria vesca
Resource competitor
Management warning: vigorous spreaders or allelopathic plants are best isolated from productive beds unless contained.
Strawberry
Fragaria × ananassa
Resource competitor
Management warning: vigorous spreaders or allelopathic plants are best isolated from productive beds unless contained.
Lactuca sativa
Lactuca sativa
Resource competitor
Management warning: vigorous spreaders or allelopathic plants are best isolated from productive beds unless contained.
Radish
Raphanus sativus
Resource competitor
Management warning: vigorous spreaders or allelopathic plants are best isolated from productive beds unless contained.
Spinach
Spinacia oleracea
Resource competitor
Management warning: vigorous spreaders or allelopathic plants are best isolated from productive beds unless contained.
IXSpecimen gallery
1 image
Specimen gallery
1 imageXSee also
8 related
See also
8 relatedPlants you might compare or use together — scored by shared family, common use cases, and growing requirements.
shared use cases
Different families, similar therapeutic role — good for comparing.
XI
Explore further
Companion planting
Health goals
Compare with similar plants
Growing zone
XII
About this entry
- Last updated
- Citation
- How to cite this entry · Submit a correction
Back to the cataloguePlant id · 6338ed66-3a66-4da1-8bed-69c0c1b4d426
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