Lavandula dentata var. candicans

RHS Plant Profile

hoary-white French lavender

Synonyms

Lavandula dentata silver-leaved

Shrubs Conservatory Greenhouse

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A half-hardy evergreen shrub, with a bushy, spreading habit and silvery grey-green leaves with finely lobed margins. Short spikes of fragrant, pale purple flowers are borne on slender stems in summer

Position

Full sun

Soil Types

Chalk, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.5-1 metres

Size

Time to Maturity: 2–5 years
Max Spread: 0.5-1 metres
Max Height: 0.5-1 metres

Growing Conditions

Chalk Loam Sand

Moisture: Well–drained
pH: Acid or Alkaline or Neutral

Position

Full sun

Aspect: South–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): H3

Colour & Scent

Fragrance Flower

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Lamiaceae
Native to GB/Ireland: No
Foliage: Evergreen
Habit: Bushy, Spreading branched
Genus: Lavandula are small aromatic evergreen shrubs with usually narrow, simple, entire, toothed or lobed leaves and small tubular flowers in dense spikes in summer
Name Status: Correct
Plant Range: W.Med & N. Africa

How to Grow

Cultivation

Thrives in well-drained, ideally slightly alkaline soil; will not tolerate waterlogging. In warmer regions, may be planted out in a sunny, sheltered position with winter protection. In areas prone to frost, grow in containers and overwinter in a greenhouse or conservatory. See lavender cultivation for more advice

Propagation

Propagate by semi-hardwood cuttings in summer. See our video How to take lavender cuttings for more advice

Suggested planting locations and garden types

City and courtyard gardens
Cottage and informal garden
Patio and container plants
Coastal
Mediterranean climate plants
Wildlife gardens
Conservatory and greenhouse

Pruning

Pruning group 10; deadhead after flowering and trim foliage in spring

Pests

May be susceptible to rosemary beetle and cuckoo spit (froghoppers)

Diseases

May be susceptible to grey moulds (Botrytis) and honey fungus (rarely)