Lavatera olbia 'Barnsley'

RHS Plant Profile

tree mallow 'Barnsley'

Synonyms

Lavatera olbia 'Barnsley'
Lavatera thuringiaca 'Barnsley'
Lavatera 'Barnsley'
Lavatera × clementii 'Barnsley'

Shrubs

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A vigorous partially evergreen sub-shrub with 3-lobed, grey-green leaves and clusters of red-eyed flowers 7cm wide, that open white, ageing to pale pink, over a long period in summer

Position

Full sun

Soil Types

Chalk, Clay, Loam, Sand

Max Height

1-1.5 metres

Max Spread

1-1.5 metres

Size

Time to Maturity: 2–5 years
Max Spread: 1-1.5 metres
Max Height: 1-1.5 metres

Growing Conditions

Chalk Clay Loam Sand

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

Position

Full sun

Aspect: South–facing or West–facing or East–facing
Exposure: 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: Malvaceae
Native to GB/Ireland: No
Foliage: Semi evergreen
Habit: Bushy
Genus: Malva can be annuals, biennials or perennials, with rounded, often palmately lobed leaves and 5-petalled, open funnel-shaped flowers in the leaf axils or in terminal racemes
Name Status: Accepted

How to Grow

Cultivation

Grow in light well-drained soil in a sheltered position in full sun

Propagation

Propagate by softwood cuttings

Suggested planting locations and garden types

City and courtyard gardens
Coastal
Cottage and informal garden
Flower borders and beds
Wall side borders

Pruning

Pruning group 6

Pests

Generally pest-free

Diseases

May be susceptible to a rust