Oxalis adenophylla

RHS Plant Profile

sauer klee

Janet Cubey & Wolfgang Bopp 1998

Bulbs Alpine Rockery

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A bulbous perennial forming a clump to 10cm tall and 15cm in width, with greyish leaves composed of several narrow, heart-shaped leaflets, and solitary, bright rosy-pink flowers in late spring, paler in the centre, with a purple throat

Position

Full shade, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

Up to 10 cm

Max Spread

0.1-0.5 metres

Size

Time to Maturity: 5–10 years
Max Spread: 0.1-0.5 metres
Max Height: Up to 10 cm

Growing Conditions

Chalk Clay Loam Sand

Moisture: Moist but well–drained or Well–drained
pH: Acid or Alkaline or Neutral

Position

Full shade Partial shade

Aspect: West–facing or South–facing or North–facing or East–facing
Exposure: Exposed or Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

H1A: under glass all year (>15C)
H1B: can be grown outside in the summer (10 - 15)
H1C: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20): H4

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Oxalidaceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Clump forming
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: Correct
Plant Range: Argentina, Chile

How to Grow

Cultivation

Grows well in any moderately fertile, well-drained, humus-rich soil. Suitable for rock garden, raised bed, trough or alpine house

Propagation

Propagate by seed, sown with moderate heat in late winter or early spring

Suggested planting locations and garden types

Patio and container plants
Rock garden
Cottage and informal garden

Pruning

No pruning required

Pests

Generally pest-free

Diseases

May be susceptible to a rust