Oxalis enneaphylla 'Alba'

RHS Plant Profile

scurvy grass 'Alba'

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Alpine Rockery Bulbs Conservatory Greenhouse

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A clump-forming alpine up to 10cm tall in flower, with branching rhizomes and deeply lobed, fleshy, glaucous leaflets. Solitary, pure white flower, 2.5cm long, poke just above leaves, from late spring to summer

Position

Full sun

Soil Types

Sand, Loam, Chalk

Max Height

Up to 10 cm

Max Spread

0-0.1 metre

Size

Time to Maturity: 2–5 years
Max Spread: 0-0.1 metre
Max Height: Up to 10 cm

Growing Conditions

Sand Loam Chalk

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

Position

Full sun

Aspect: East–facing or South–facing or West–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): H5

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: 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 division of bulbils, individual plants are self sterile

Suggested planting locations and garden types

Patio and container plants
Rock garden
Cottage and informal garden
Ground cover

Pruning

No pruning required

Pests

May be susceptible to slugs and snails outdoors

Diseases

May be susceptible to rust diseases