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Purple Shamrock

Oxalis triangularis, Oxalidaceae

Zones
6–10
Lifespan
Perennial
Growth
Moderate

Growing Conditions

Sun

Partial Shade (optimal)

Water

Moderate

Soil pH

5.5 – 7

Tolerances

Drought
Frost
Heat
Pest Resistance
Disease Resist.

Companion Plants

AmaryllisHippeastrum puniceum
Shade ProvisionNutrient Accumulation
Guernsey LilyNerine bowdenii
Shade ProvisionNutrient Accumulation

Antagonistic Plants

Common PrimrosePrimula vulgaris

Purple shamrock's oxalic acid and aggressive spreading can inhibit and crowd out primrose

Common Questions

What zones does Purple Shamrock grow in?

Purple Shamrock grows in USDA hardiness zones 6 through 10.

What are good companion plants for Purple Shamrock?

Good companions for Purple Shamrock include Amaryllis, Guernsey Lily.

Design guilds with Purple Shamrock and see companion relationships visually.

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