Least yellow sorrel (Oxalis exilis)

Least yellow sorrel

Also known as: Shady woodsorrel

Least yellow sorrel (Oxalis exilis) is native to New Zealand and Tasmania. The leaflets are heart-shaped, and the small flower is yellow. It is one of the smallest plants in New Zealand. Least yellow sorrel commonly inhabits wastelands and arable land, and can also become a garden weed.

Scientific classification

Species

Least yellow sorrel (Oxalis exilis)

Woodsorrels, quandongs, and allies

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Toxic to Pets

Toxicity

Perennial, Annual

Lifespan

35 cm

Plant Height

2.5 cm to 5 cm

Flower Size

White, Yellow, Pink

Flower Color

Deciduous

Leaf type

20 - 35 ℃

Ideal Temperature

Distribution of Least yellow sorrel

Distribution Map

Least yellow sorrel is a plant primarily native to the temperate regions of the Southern Hemisphere. It has a natural occurrence in Oceania, and over time, it has spread beyond its native range. As an introduced species, least yellow sorrel can now be found in parts of the Northern Hemisphere, prevalent across major regions such as Europe and Oceania.

Native

Cultivated

Invasive

Introduced

No species reported

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Habitat

Arable land, waste places, garden

Hemisphere Trend Curve

Northern

Sorthern

Care Guide for Least yellow sorrel

Every week

Water

Full sun

Sunlight

20 - 35 ℃

Ideal Temperature

Water: Originating from moist, shaded environments, least yellow sorrel thrives with consistent moisture, ideally requiring weekly watering. Preferring moderate climates and indirect light, it is typically grown indoors to maintain humidity, which is vital for sustaining its evergreen foliage throughout the year.

Fertilize: Least yellow sorrel benefits from fertilization every 4-6 weeks during the growing season with a balanced fertilizer. Use a diluted solution to prevent overfeeding, especially during dormancy. Apply fertilizer after watering to avoid root burn due to their sensitivity.

Pruning: Least yellow sorrel flourishes with targeted spring pruning, which promotes healthy growth and shape. Key practices include removing dead foliage and trimming overgrown stems to enhance appearance and manage invasiveness, encouraging thicker growth while preventing unwanted spreading.

Propagation: Least yellow sorrel is a small perennial with clover-like leaves and yellow flowers. It propagates through division, requiring careful separation of bulbils or rhizomes. Replant in well-draining soil, ensuring proper moisture without overwatering to support new growth in shaded areas or containers.

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Distribution of Least yellow sorrel

Care Guide for Least yellow sorrel

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