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Oxalis triangularis

A South American tuberous houseplant with triangular purple leaves that fold at night from underground bulbs that store energy, producing small white or pink flowers, easy care in bright indirect light with well-drained soil, and edible corms in small amounts.

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Common Names

Purple Shamrock, False Shamrock, Love Plant, Purple Wood Sorrel, Wood Sorrel

Summary

Originating in Brazil and other parts of South America, this low-growing perennial features triangular three-part leaves in deep purple hues that open in daylight and fold at night, with small pale pink to white flowers; it is cultivated as a versatile indoor houseplant or outdoor garden plant and is photophilic. Culture emphasizes well-drained soil and bright indirect light, with outdoor growth in sun to partial shade and indoor growth near bright windows; water when the top layer of soil dries, avoiding overwatering, and may enter winter or summer dormancy requiring reduced watering; propagation occurs by division or bulbs/corms; suitable for containers, borders, and decorative indoor collections.

Lifecycle

Perennial

Height

2-12 inches

Spread

1-2 feet

Hardiness Zones

Zones 8-11

Sunlight Requirements

Full sun to partial shade.

Soil Type

Well-draining, loamy soil.

Soil Drainage

Well-drained soil; not waterlogged.

Soil pH

6-7

Bloom Color

White to pink to purple

Bloom Time

Spring and Summer

Foliage Color

Purple

Fall Foliage Color

Purple

Leaf Lifecycle

Deciduous

Growth Rate

Medium rate

Seasons of Interest

Spring, Summer, Fall, Winter

Propagation Methods

Division, Seeds, Cuttings, Leaf cuttings, Corm/bulb separation, Tuber division

Attracts Wildlife

Attracts bees and butterflies

References

Oxalis 101: How to Care for Oxalis Plants - Blooms…. bloomscape.com.
Oxalis Triangularis Care: The Magic Of Purple Sham…. easytogrowplants.com.
How to identify and care for false shamrock? - OSU…. extension.oregonstate.edu.
Oxalis Triangularis Care (How to Grow 101). gardenandme.com.
Oxalis Triangularis Care and Propagation - Gardent…. gardential.com.
How to Care for Oxalis Triangularis - Happy DIY Ho…. happydiyhome.com.
Easy Guide: How to Care for Oxalis Triangularis at…. housefur.com.
Oxalis Triangularis: Grow and Care Guide. houseplantcentral.com.
How to maintain a triangularis oxalis? - Plantands…. plantandstories.com.
Oxalis Triangularis Care #1 Best Plant Guide. plantophiles.com.
How To Grow & Care For The Oxalis Triangularis. positivebloom.com.
Oxalis Triangularis (False Shamrock/ Love Plant): …. thecitywild.com.
Low-Maintenance Houseplants: Oxalis Triangularis –…. easytogrowbulbs.com.
How to Plant, Grow, and Care for Oxalis Triangular…. epicgardening.com.
How To Grow And Care For Oxalis Triangularis - Gar…. gardenersworld.com.
Oxalis triangularis Houseplant Care. happyhouseplants.co.uk.
How to care for an Oxalis triangularis | HappySpro…. happysprout.com.
Oxalis Triangularis - light and watering. plantmaid.com.
Plant Profile: Oxalis Triangularis or False Shamro…. thebalconygarden.com.au.
Myths and Facts About Oxalis Triangularis - The Ju…. thejunglecollective.com.au.
How to Successfully Grow Oxalis Triangularis!. ukhouseplants.com.
Oxalis Triangularis Care (Purple Shamrock): A Hous…. youtube.com.
World Flora Online. worldfloraonline.org. June 2024.