Oxalis tetraphylla '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
Size
Ultimate height
0.1–0.5 metresTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Well–drained, Moist but well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| 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 Hardiness
H4Botanical details
- Family
- Oxalidaceae
- Native to the UK
- 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
- Gravel garden
- Wildlife gardens
- Low Maintenance
- Banks and slopes
- Underplanting of roses and shrubs
- Flower borders and beds
- Ground cover
- Garden edging
- Conservatory and greenhouse
Pruning
No pruning required
Pests
Diseases
May be susceptible to rust diseases
Get involved
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