Lavandula

RHS Plant Profile

lavender

Other common names

spike

Shrubs

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Position

Full sun

Soil Types

Sand, Chalk, Loam

Size

Time to Maturity: 2–5 years

Growing Conditions

Sand Chalk Loam

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

Position

Full sun

Aspect: South–facing or West–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): No preference

Botanical Details

Family: Lamiaceae
Native to GB/Ireland: No
Foliage: Evergreen
Habit: Bushy
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

How to Grow

Cultivation

Grow in full sun in well-drained soil; for more advice, see lavender cultivation

Propagation

Propagate by semi-ripe cuttings in late summer, or by softwood cuttings of new growth in early summer

Pruning

pruning group 10, in early spring or mid-spring

Pests

May be susceptible to rosemary beetle, and to cuckoo spit (froghopper or spittle bug nymphs)

Diseases

May be susceptible to honey fungus, grey moulds, lavender shab, and fungal leaf spots