Plants We Love: Shamrock Plant

The shamrock plant (Oxalis regnellii) can be too aggressive in gardens, but it makes a fun and pretty houseplant. It’s widely sold around St. Patrick’s Day. Here’s how to keep a potted shamrock healthy all year long.
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shamrock plant (oxalis)

Plant name: Shamrock Plant

Botanical name:Oxalis regnellii

Virtues: Houseplant with shamrock-shaped bright green foliage and dainty white flowers on tall, delicate stems. Blooms in late winter/early spring.

Foliage: Triangular leaflets held in threes atop slender stems.

Flower: Five-petaled simple white flowers held in groups of five or six atop slender stems, rising just above foliage.

Habit: Dense with leaves on individual stems. Grows from a rhizome.

Season: Spring

Origin: South America

Cultivation: Bright indirect light; some direct sun OK. Allow soil to dry slightly between waterings. Fertilize with houseplant fertilizer in summer, and place plant in shady location outdoors. Leaves die down in fall; stop watering. Start again in early February to encourage the plant out of dormancy.