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Purple shamrock: Oxalis regnellii var. triangularis
![]() The variety is a naturally occurring, purple-leaf form of This striking shamrock with triangular, deep-purple foliage and rose-pink flowers is ideal in pots or at fronts of flower borders. It may be left in the ground year-round in frost-free areas or used as a summer annual in areas warmer than Zone 9. Profile
did you know?The genus name is derived from two Greek words: meaning "sharp," and meaning "salt," for the bitter and acidic taste of the sap. Unlike the tiny, small-leafed species of a ubiquitous garden weed, many members of this genus are very ornamental. general maintenance:Remove faded leaves through the season to maintain a tidy appearance. Allow soil to dry and leaves to fade in fall. After leaves yellow, cut off foliage. In areas cooler than Zone 9, dig bulbs, and store as you would dahlias, in boxes of dry soil, sand, and peat in a frost-free location. pests/diseases:Leaf miners and spider mites may occur. controls:For leaf miners, remove damaged leaves. For spider mites, use horticultural oil spray. how to sow/plant:Plant in spring, 2?3 inches deep, 1?3 inches apart. Begin watering once new growth emerges in spring. Mulch lightly to conserve moisture. water and fertilize:Monitor soil moisture all season, watering as needed. Feed biweekly with a balanced, soluble fertilizer, following package direction. In fall, stop feeding, and reduce amount of watering. features:
garden uses:
other uses:combine with:ivy sweet alyssum and verbena in containers, or use for color at front of border. |
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