Yacon
Smallanthus sonchifolius
An Andean tuber eaten raw - crisp, juicy and sweet like a cross between apple and water chestnut.
Quick tip
Dig the storage tubers after frost kills the tops; let them sit a few days to sweeten before eating.
☀️ Full sun↔ 30″ apartZones 7–11⏳ ~150d
When to plant Yacon
- Start indoorsSow seed indoors 4–2 weeks before your last spring frost.
- Transplant outMove seedlings into the garden 2–4 weeks after your last spring frost.
At a glance
Botanical name
Smallanthus sonchifolius
Category
Vegetables
Hardiness
Tender
Sun
Full sun
Spacing
30″ apart
Days to maturity
~150 days to harvest
Hardiness zones
USDA zones 7–11
Rotation family
Roots
Soil pH
6–7
Companion planting
Plant near
🌱 A tall Andean tuber that appreciates nitrogen from nearby beans; give it space to bulk up.