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Data provenancePermapeopleTreflePFAFPOWOreviewed 17 Oct 2026methodology → read

Olluco

Ullucus tuberosus
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Ullucus tuberosus (Olluco) — botanical photograph
Pl. 5B12 — Ullucus tuberosus
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Overview

Olluco, scientifically known as Ullucus tuberosus, is a perennial plant native to the highlands of Argentina Northwest, Bolivia, and Peru. Thriving in full sun and moist, light (sandy) to medium soil conditions, olluco is adaptable but requires careful cultivation for optimal growth. The plant typically reaches a height of only 0.3 meters, making it a small but significant part of local agriculture and culinary traditions. Known for its edible tubers, which are often used in traditional Andean cuisine, olluco is a valued crop in the region. These tubers can be prepared in various ways, though they are commonly cooked or boiled before consumption, though they may also be eaten raw. Olluco has been introduced into Chile North, Colombia, Ecuador, and Venezuela, expanding its cultural and culinary significance beyond its native range. Its small stature and adaptability make it a versatile addition to gardens and agricultural practices in suitable climates.

Quick answers

What is Olluco?

Olluco, scientifically known as Ullucus tuberosus, is a perennial plant native to the highlands of Argentina Northwest, Bolivia, and Peru. Thriving in full sun and moist, light (sandy) to medium soil conditions, olluco is adaptable but requires careful cultivation for optimal growth.

Growingconditions · propagation · uses
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Cultivation

Olluco thrives in full sun and requires moist soil that is light (sandy) or medium. It prefers a hardiness zone of 8-10, making it suitable for temperate regions. This perennial plant grows to about 30 cm tall and produces edible tubers. For successful cultivation, ensure the soil remains consistently moist while providing ample sunlight.
Light
Full sun
Water
Moist
Soil
Light (sandy), Medium
Hardiness
8-10
Life cycle
Perennial
Mature size
0.3 m tall
For first-time growers

How to grow Olluco for the first time

7steps

Start with a simple, sunny spot and basic soil preparation for your first attempt at growing Olluco.

  1. 1

    What you'll need

    Olluco tubers, garden tools like a trowel, and containers if planting in pots.

  2. 2

    Best time to plant

    Plant in spring when the soil has warmed up and all frost danger is past.

  3. 3

    Soil and container prep

    Choose a well-draining spot with light or medium soil. Amend the soil with compost if needed.

  4. 4

    Sowing or transplanting

    Plant tubers 5-10 cm deep, spaced about 20-30 cm apart in rows 60 cm apart.

  5. 5

    First two weeks

    Keep the soil moist but not waterlogged. Mulch lightly to retain moisture and suppress weeds.

  6. 6

    Ongoing care

    Water regularly, especially during dry spells, ensuring the soil stays consistently moist but not soggy.

  7. 7

    Harvest or pruning

    Prune any dead leaves to maintain plant health. Harvest tubers after 6-8 months when they are fully developed.

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Edible & utility

Edible parts:tubers
Edible uses: The olluco plant's tubers are edible and can be prepared in various ways. They are often cooked or boiled before consumption, though they may also be eaten raw. Skip
Contextrange · companions · related
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Distribution

3 native · 4 introduced
Distribution across1 continent· 3 native· 4 introduced
Americas5 regions
native (2)BoliviaPeru
introduced (3)ColombiaEcuadorVenezuela
Broader regions
native:Argentina Northwest
introduced:Chile North
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Specimen gallery

1 image
Ullucus tuberosus (Olluco) — botanical photograph
Olluco (Ullucus tuberosus)
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