How to grow Yacon

Yacon plant grow and care – rhizome of the genus Smallanthus also known as Peruvian ground apple or Jicama, Yacon perennial is evergreen and in cooler places deciduous plant, used for the edible rhizomes or leaves but also can be ornamental plant for the flowers and can us as cut-flowers, can grow in tropics, mediterranean, subtropics or temperate climate and growing in hardiness zone 8+ and with the right overwinter care in hardiness growing zone 7, possible to grow it as annual and keep the rhizomes indoor overwinter in hardiness zone 4-7 but need to have at least 5 to 6 months of growing.

Leaves edible arrowhead-shaped, when young it a little purplish after maturity become greenish.

Flower color yellow the flowers look like look like daisies.

Yacon plant rhizome

Rhizome edible bark brown color in the inside is white, the weight of rhizome 0.2-2 Kg, taste is sweet, to make the taste sweeter should put it in the sun for two weeks after, when the rhizome is in hibernation, the rhizome sensitive to moist soil, cause to rot or the rhizome, good to store it in the in dry dark cold place.

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How to grow Yacon plant – growing condition and care:

Frost free, in 3C can die, well drain soil, to put the rhizome at least 3 cm underground

What is the best way to start growing?
Plant / Rhizome/ Vegetative Reproduction / Seeds (explanation bellow)

Is it necessary to use vegetative reproduction?
Yes, very hard to find seeds

Difficulties or problems when growing:
Sensitive to cold, flooded

Planting season:
Spring growing zone , summer, autumn

How to plant:
Dig a hole as deep as the rhizome and extra 200-400%, put in the hole organic matter, hummus and dried leaves and mix it with some soil, cover the rhizome and don’t push the soil too much strong but not too much lightly because it won’t be stable when it will start to grow, after this put mulch to keep moist on soil, put water for the next two weeks put every day (better in the morning).

Pests and diseases:
Slugs, aphids

Pruning season:
Beginning of the winter

How to prune:
Prune all the dry leaves and stems

Size of the plant?
1-2m, 40-80 inches

Growth speed in optimal condition:
Fast growing

Water requirement:
Average amount of water

Light conditions in optimal condition for growing:
Half Shade

Is it possible to grow indoor as houseplant?
Yes, but won’t bloom and will have significantly smaller rhizome

Growing is also possible in a planter /flowerpot / containers:
Yes, when grow in container, size 10-30 liter (2.5-8 gallon) depend the cultivar, average amount of water that needed, it’s to keep the soil moist and the water go out of the pot, better not to use bottom for the pot, when it’s grow as perennial every two years to switch soil, and prune part of the roots and the plants, soil need to be well ventilated with good drainage, rich with organic matter, can us in potting mix or peat soil with perlite or vermiculite.

Blooming information

Bloom season:

General information about the flower
Yellow flower with narrow petals

Thinning the bloom:
Should thinning the flowers better for the growth of the plant

Vegetative Reproduction

Vegetative Reproduction Method:

Preferred time for vegetative reproduction:
Take it in autumn / Winter, but put it in the ground in the spring

Time to grow roots in vegetative reproduction:
Few days

Treatment for vegetative reproduction:
Regular like the plant

Edible leaves

Leaves harvesting season
Spring / Summer

How to harvest the leaves?
Trim the leaves from the end of the leave don’t take much leaves its effect the growth of the rhizome

Information about leaves:
Arrowhead-shaped leaves when young it a little purplish after maturity become greenish

Uses of Yacoon leaves:
Beverage, cooked

Edible Roots

Information about the rhizome:
rhizomes reddish brown, when they are young are reddish and then they turn brown, the red bulbs can be harvested but more sensitive. Possible to use also brown roots, the size of the rhizomes usually 100-300 gram but can be 2 kg

When to pull up rhizome:
Summer / Autumn

Uses of Yacon rhizome:
Cooked, baked

How to grow Yacon plant from seeds

Sowing requirement:
Seeds are rare and it’s hard to find be aware that a lot of seeds are fake

Saving seeds and care until sowing:
Dry and dark location in room temperature

Sowing season:
Spring to summer

Planting spacing:
Better in different pots, but possible 30*40cm (12*16 inches)

Depth of Sowing:
1-2cm, (0.5-1 inch)

Conditions for seeds germinate:
Moist soil, high humidity above 26C (78F), rich soil, sunny location

Watering requires for Seeds:
Average amount of water / Big amount of water, don’t let the soil dry

Germination time:
4-10 weeks

Condition of seedling:
Seedling are senetive to winds so protect, moist soil and high humidity

Scientific name:

Smallanthus sonchifolius

How to grow Yacon
Yacon plant

Yachon plant care


Blooming Seasons
  • Summer flowers
Edible Parts
  • Edible leaves
  • Edible Roots
Culinary uses
  • Beverage
  • Cooked
Flower colors
  • Yellow flower
  • Mediterranean Climate
  • Subtropics Climate
  • Temperate Climate
  • Tropics Climate
Harvest Season
  • Autumn Harvest
  • Spring Harvest
  • Summer Harvest
Ornamental parts
  • Ornamental flower
  • Ornamental leaves
  • Ornamental plant
Plant growing speed
  • Fast growing plants
Plant life-form
  • Deciduous
  • Evergreen
  • Geophyte
  • Herbaceous
  • Perennial plant
Plant Uses
  • Edible plants
  • Ornamental plants
Planting Season
  • Autumn Planting
  • Spring Planting
  • Summer planting
Plants sun exposure
  • Full sun Plants
Watering plants
  • Regularly water
Hardiness zone
  • Hardiness zone 10
  • Hardiness zone 11
  • Hardiness zone 12
  • Hardiness zone 13
  • Hardiness zone 7
  • Hardiness zone 8
  • Hardiness zone 9