Sweet, Crisp Storage Roots
Produces juicy underground storage roots with a refreshing crunch and naturally sweet flavor reminiscent of apple and pear.
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Heirloom Yacon, scientifically known as Smallanthus sonchifolius, is an unusual Andean root crop valued for its crisp, juicy, naturally sweet underground storage roots. Often called ground apple, Peruvian ground apple, or Yacon, this distinctive plant produces large green foliage and attractive yellow daisy-like flowers. Its edible roots have a refreshing texture and a mild flavor often compared to apple and pear. Yacon is traditionally propagated through crown divisions, although viable seeds can also be used to grow new plants and explore genetic diversity.
Produces juicy underground storage roots with a refreshing crunch and naturally sweet flavor reminiscent of apple and pear.
Develops large, broad green leaves that create a lush, tropical-looking appearance in suitable vegetable gardens.
Can produce small, sunflower-like yellow flower heads that add ornamental interest during the growing season.
A traditional South American root vegetable that offers an interesting alternative to commonly grown garden crops.
| Scientific Name | Smallanthus sonchifolius |
| Common Name | Yacon, Ground Apple, Peruvian Ground Apple |
| Plant Family | Asteraceae (Sunflower Family) |
| Seed Type | Heirloom Vegetable Seeds |
| Plant Category | Edible Root Vegetable |
| Origin | Andean region of South America |
| Growth Habit | Large, upright herbaceous perennial |
| Flower Color | Yellow |
| Edible Part | Underground storage roots |
| Root Characteristics | Crisp, juicy, mildly sweet storage roots |
| USDA Hardiness Zones | Generally grown as a warm-season crop; frost tolerance is limited |
| Planting Season | Spring or the beginning of a suitable frost-free growing season |
| Seed Starting | Start in seed trays or small pots using a suitable seed-starting medium |
| Germination Time | Variable; seed germination can be slow and irregular |
| Germination Temperature | Around 25–32°C (77–90°F) can be used as a starting range |
| Sunlight | Full sun to partial shade |
| Soil Requirements | Fertile, loose, moisture-retentive, well-drained soil |
| Watering | Regular watering to maintain consistent soil moisture |
| Mature Plant Size | Approximately 1.5–2.5 metres, depending on growing conditions |
| Plant Spacing | Allow approximately 60–100 cm between plants where space permits |
| Harvesting | Harvest storage roots when the growing season is sufficiently mature and the foliage begins to decline |
| Propagation Method | Seeds, crown divisions, and stem cuttings |
Bring a unique Andean vegetable into your garden with Heirloom Yacon. Known for its crisp, juicy, naturally sweet storage roots, lush green foliage, and unusual growing characteristics, Yacon offers an exciting gardening experience. With warm growing conditions, fertile soil, and consistent moisture, you can enjoy cultivating this distinctive root crop in your home vegetable garden.
Learn more about Heirloom Yacon seeds, growing conditions, edible roots, and harvesting.
Yacon roots have a crisp, juicy texture and a naturally sweet flavor often compared to apples, pears, and jicama. They can be peeled and eaten raw, sliced into salads, added to fruit dishes, or cooked in different recipes. Their refreshing texture makes them an interesting addition to homegrown vegetables.
Yes, Yacon can be grown from viable botanical seeds, although seed propagation is less common than growing plants from crown divisions or rhizomes. Germination can be irregular, and some seeds may not be viable. Use fresh, mature seeds, maintain warm and moist conditions, and allow additional time for slower seeds to germinate. Seed-grown plants may also differ from their parent plants.
Yacon generally needs a long, frost-free growing season to develop well-sized storage roots. Depending on the variety, climate, and planting method, harvesting may take approximately 6–9 months. Plants grown from seeds may develop more slowly than plants started from established crown divisions. Harvest when the foliage begins to decline and the storage roots have matured.