How to grow Oxalis triangularis

Oxalis triangularis growing herbaceous geophyte of the genus Oxalis also known as Purple shamrock or False shamrock, Oxalis triangularis perennial summer deciduous plant, used as ornamental plant, can grow in mediterranean, subtropical or temperate climate or as houseplant and growing in hardiness zone 7-11.

Leaves color purple to black in triangular shape the leaves grow in group of the 3 heat shape connected in the base of the heart and create radial shape.

Oxalis triangularis flower

Flower color purple to white with 5 petal the petals emerged together in the base of the flower, the size of the flower 1-2.5 cm, the flowers grow on cluster.

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How to grow Oxalis triangularis growing and care:

Cool weather, well-drained soil

What is the best way to start growing?
Plant / Seedling / Seed / Bulb/ Vegetative Reproduction

Is it necessary to use vegetative reproduction?

Difficulties or problems when growing:
Contain oxalic acid, sensitive to heat

Recommended planting season?
Autumn / Winter / Spring

Pests and diseases:
Powdery mildew, fungal

Pruning season:
Spring / Summer

How to prune a Oxalis triangularis:
For design, and dead leaves

Size of the plant?
10-20 cm, 4-8 inches

Growth speed in optimal condition:
Fast growing / Medium growing

Water requirement:
Average amount of water / Big amount of water

Light conditions in optimal condition for growing:
Full Sun / Half Shade / Full Shade

Is it possible to grow indoor as houseplant?

Growing is also possible in a planter /flowerpot / containers:

Blooming information

Bloom season:
Autumn / Winter / Spring

General information about the flower
Purple to white flower with 5 petals, the petals emerged together in the base of the flower, the size of the flower 2-4 cm, the flowers grow on cluster

Scientific name:

Oxalis triangularis

Blooming Seasons

Flower Colors


Leaf color

Ornamental parts

Plant growing speed

Plant life-form

Plant uses

Planting season

Plants sun exposure

Watering plants

Hardiness zone