Bright purple, triangular-shaped leaves and pink blossoms make this vigorous oxalis a must-have for the container garden. The vivid purple color of Purple Shamrock Plant will amaze you! It adds a colorful accent to a houseplant collection or a mixed container on the summer patio. Grow in moist soil in bright, indirect light since this easy grower thrives in partial sun. Apply a dilute solution of fertilizer monthly during the active growing season. In zones 7-10, its often grown as an attractive ground cover.