MARTHASTEWART.COM

Advanced Recipe Search

Home Page » Home & Garden » Gardening » Browse All Plants » Plant features » Attractive flowers » Purple shamrock: Oxalis regnellii var. triangularis

Purple shamrock: Oxalis regnellii var. triangularis

cancel submit

What do you think of this? Let everyone know! (Click all that apply.)

cancel submit

SHARE THIS

Connect with Facebook to easily update your status and share photos, recipes, and more with your friends.

Connectcancel

More Ways to Share:

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

Plant typebulb,house-plant
Hardiness zones9 to 10
Lightfull-sun-to-part-shade
Height up to 6 in.
Spread up to 6 in.
Habitclump-forming
Soil moisturemoist
Bloom timefall,summer
Flower colorpink
Bloom size3 in. to 3 in.
Foliage colorpurple

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:

  • Attractive Flowers
  • Attractive Foliage
  • Disease Resistant
  • Shade Tolerant

garden uses:

  • Containers
  • Edging
  • Flowerbed borders
  • Shade Woodland Garden

other uses:

    combine with:

    ivy sweet alyssum and verbena in containers, or use for color at front of border.

    Contributors' Comments Add Comment

    Also Try...

    Next
    Prev
    • Lucky clover: Oxalis tetraphylla
    • Japanese barberry: Berberis thunbergii var. atropurpurea Rose Glow
    • Mixed annual China aster : Callistephus chinensis Matsumoto
    • Mixed annual China aster : Callistephus chinensis Sea Star
    • Purple statice: Limonium sinuatum Purple Monarch
    • Calla lily: Zantedeschia aethiopica Rose Gem
    • Daylily: Hemerocallis Shamrock Double Grape
    • Herbaceous peony: Paeonia Edulis Superba
    • Trout lily: Erythronium revolutum Pagoda
    • Lucky clover: Oxalis tetraphylla
    • Japanese barberry: Berberis thunbergii var. atropurpurea Rose Glow
    • Mixed annual China aster : Callistephus chinensis Matsumoto
    • Mixed annual China aster : Callistephus chinensis Sea Star
    • Purple statice: Limonium sinuatum Purple Monarch
    • Calla lily: Zantedeschia aethiopica Rose Gem
    • Daylily: Hemerocallis Shamrock Double Grape
    • Herbaceous peony: Paeonia Edulis Superba
    • Trout lily: Erythronium revolutum Pagoda