PL#2238
'Iron Cross'
Oxalis
Z 8–100.667–1 ft0.333–0.5 ft
Oxalis tetraphylla 'Iron Cross', also known as the Good Luck Shamrock, is a bulbous perennial prized for its distinctive four-leaf foliage. Each leaflet features a rich green base with a dark purplish blotch, forming a cross-like pattern. The leaves open during the day to absorb sunlight and fold at night, adding an element of movement to its charm.
Public reference
- Genus
- Oxalis
- Species
- —
- Cultivar
- Iron Cross
- Trade name
- —
- Hardiness zones
- 8–10 (USDA)
- Mature height
- 0.667–1 ft
- Mature width
- 0.333–0.5 ft
- Description
- Oxalis tetraphylla 'Iron Cross', also known as the Good Luck Shamrock, is a bulbous perennial prized for its distinctive four-leaf foliage. Each leaflet features a rich green base with a dark purplish blotch, forming a cross-like pattern. The leaves open during the day to absorb sunlight and fold at night, adding an element of movement to its charm.
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Identity
- Common names
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- Patent number
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Lifecycle & form
- Lifecycle
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- Deciduous / evergreen
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- Height category
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- Form
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- Growth habit
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Site requirements
- Sun exposure
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- Soil moisture
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- pH range
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- Drought tolerant
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- Flood tolerant
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- Heat tolerant
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Flowers
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- Flower colors
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- Flower size
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- Flower shape
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- Petal count
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- Reblooming
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- Fragrance level
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- Fragrance notes
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Foliage
- Foliage colors (by season)
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- Variegated
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- Seasons of interest
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Wildlife & safety
- Attracts
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- Deer resistant
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- Rodent resistant
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- Pet toxicity
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- Human toxicity
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Use & care
- Best for
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- Thornless
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- Has seed pods
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- Difficulty level
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- Gardener notes
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Legal
- Asexual propagation forbidden
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- Patent expires
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