Sweet Underground Roots
Produces crisp, juicy storage roots with a naturally sweet flavor that can be enjoyed fresh or used in various dishes.
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Brown Yacon, botanically known as Smallanthus sonchifolius, is a perennial root crop native to the Andes region of South America. It is cultivated for its large, sweet-tasting underground storage roots, which are commonly enjoyed fresh. The plant develops tall stems, broad green leaves, and small yellow sunflower-like flowers. Yacon is valued in home gardens and edible landscapes for its unusual root crop and distinctive growing habit. Confirm the identity and viability of the supplied seeds, as yacon is commonly propagated using rhizome divisions or crowns rather than true seeds.
Produces crisp, juicy storage roots with a naturally sweet flavor that can be enjoyed fresh or used in various dishes.
Develops large, attractive green leaves on tall, branching stems during the growing season.
Offers an interesting alternative to traditional root vegetables for home gardeners and edible landscapes.
Grows actively during warm weather and develops underground storage roots over a sufficiently long growing season.
| Scientific Name | Smallanthus sonchifolius |
| Common Name | Yacon; Peruvian Ground Apple; Ground Pear |
| Plant Family | Asteraceae |
| Seed Type | Root Crop Seeds — confirm true seed identity and viability with the supplier |
| Growth Habit | Perennial herbaceous root crop |
| Root Color | Brown to reddish-brown outer skin; internal flesh is commonly pale yellow or cream |
| USDA Hardiness Zones | Generally grown as an annual root crop in colder regions; perennial in suitable frost-free climates |
| Planting Season | Spring after frost danger has passed |
| Seed Starting | Species-specific seed instructions are required; rhizome divisions are the common propagation method |
| Germination Time | Not reliably established for commercially supplied true seeds |
| Germination Temperature | Confirm with the supplier for the specific seed material |
| Sunlight | Full sun to partial shade |
| Soil Requirements | Loose, fertile, well-drained soil rich in organic matter |
| Watering | Regular watering to maintain consistent soil moisture |
| Mature Plant Size | Approximately 5–8 feet tall under favorable growing conditions |
| Plant Spacing | Approximately 2–3 feet apart, allowing sufficient room for root development |
Brown Yacon is an interesting edible garden crop known for its sweet, crisp underground storage roots and broad green foliage. With fertile soil, adequate sunlight, and regular watering, it can become a productive addition to a home vegetable garden. Confirm the planting material and propagation instructions before growing this distinctive Andean root crop.
Find helpful answers about Brown Yacon identification, edible roots, propagation, and harvesting.
Yacon roots have a naturally sweet, crisp, and juicy texture often compared to a combination of apple and pear. They are commonly peeled and eaten raw, added to salads, or used in fresh preparations. The flavor can become sweeter after the harvested roots are stored appropriately.
Yacon is commonly propagated through rhizome divisions containing viable buds rather than true seeds. Before planting Brown Yacon Seeds, verify that the package contains genuine, viable seeds of Smallanthus sonchifolius and obtain the correct germination instructions from the supplier.
Yacon storage roots are generally harvested toward the end of the growing season when the above-ground foliage begins to decline. In regions with frost, harvest before severe freezing temperatures. Handle the roots carefully to prevent bruising and damage during harvesting.