Artemisia absinthium 'Lambrook Silver'

RHS Plant Profile

wormwood 'Lambrook Silver'

RHS

Synonyms

Artemisia 'Lambrook Silver'

Herbaceous Perennial

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A slender, woody-based, semi-evergreen perennial to 75cm, with finely divided, aromatic, silvery foliage and narrow upright sprays of small yellow flowerheads

Position

Full sun

Soil Types

Chalk, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity: 2–5 years
Max Spread: 0.1-0.5 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 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): H6

Colour & Scent

Fragrance Foliage

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Asteraceae
Native to GB/Ireland: No
Foliage: Semi evergreen
Habit: Bushy
Genus: Artemisia can be shrubs, perennials or annuals, evergreen or deciduous, with usually grey, aromatic, often divided foliage and rather insignificant flower-heads
Name Status: Accepted

How to Grow

Cultivation

Grow in well-drained fertile soil in full sun

Propagation

Propagate by seed in containers in a cold frame in autumn or spring. Root stem tips or heeled sideshoots as greenwood cuttings in early summer.

Suggested planting locations and garden types

Coastal
Cottage and informal garden
Gravel garden
City and courtyard gardens
Flower borders and beds

Pruning

Pruning Group 7 Cut back to the lowest, new shoots near the base in mid to late spring

Pests

May be susceptible to aphids and a gall midge

Diseases

May be susceptible to honey fungus