Jerusalem Artichoke Growing Guide
Asteraceae family
Days to Harvest120 days
SunlightFull Sun
Frost ToleranceLight
Spacing18/sqft
Germination10-21 days
HardinessSemi Hardy
Germ. Temp75°F
Start Indoors10 weeks before last frost
Growth Stages
- Seedling
- Vegetative / Root Development
- Mature / Harvest Ready
Planting Dates by Zone
Frequently Asked Questions
How long does it take to grow Jerusalem Artichoke?
Jerusalem Artichoke takes approximately 120 days from planting to harvest.
How much sun does Jerusalem Artichoke need?
Jerusalem Artichoke requires full sun (6+ hours direct sunlight per day).
How far apart should I plant Jerusalem Artichoke?
Plant Jerusalem Artichoke at 18/sqft using square foot gardening spacing.
Can Jerusalem Artichoke survive frost?
Jerusalem Artichoke is tolerant of light frost.
How long does Jerusalem Artichoke take to germinate?
Jerusalem Artichoke seeds germinate in 10-21 days at an optimal temperature of 75°F.
When should I start Jerusalem Artichoke seeds indoors?
Start Jerusalem Artichoke seeds indoors 10 weeks before your last frost date, then transplant -2 weeks after last frost.
Plan Your Jerusalem Artichoke Garden
Track Jerusalem Artichoke from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.
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