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BulbsHerbaceous Perennial

Oxalis tetraphylla 'Iron Cross'

lucky clover 'Iron Cross'

A spreading herbaceous perennial up to15cm in height when in flower, with clover-like green leaves and dark brown patches at the base of each heart-shaped leaflet forming a cross shape. Bright brick pink funnel-shaped flowers appear late spring to late summer

Synonyms
Oxalis deppei 'Iron Cross'
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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Sand
Loam
Moisture
Well–drained, Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Pink Green Brown
Summer Pink Green Brown
Autumn Green Brown
Winter
Position
  • Full sun
Aspect

East–facing or South–facing or West–facing

Exposure
Sheltered
Drought resistance
Yes
Hardiness
H4
Botanical details
Family
Oxalidaceae
Native to GB / Ireland
No
Foliage
Deciduous
Habit
Clump forming, Matforming
Genus

Oxalis can be annuals or perennials, with fibrous, bulbous or rhizomatous rootstocks, palmately divided leaves and funnel-shaped or bowl-shaped flowers that mostly close in dull weather and at night

Name status

Unresolved

How to grow

Cultivation

Grow in well-drained, nutrient poor soil in full sun in a sheltered position, or in an alpine house in a mixture of equal parts loam, leaf mould and grit

Propagation

Propagate by seed or division

Suggested planting locations and garden types
  • City and courtyard gardens
  • Cottage and informal garden
  • Houseplants
  • Patio and container plants
  • Rock garden
  • Banks and slopes
  • Conservatory and greenhouse
Pruning

No pruning required

Pests

May be susceptible to slugs and snails outdoors

Diseases

May be susceptible to rust diseases

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