Artemisia stelleriana 'Boughton Silver'

RHS Plant Profile

hoary mugwort 'Boughton Silver'

Synonyms

Artemisia stelleriana 'Mori's Form'
Artemisia stelleriana 'Silver Brocade'
Artemisia stelleriana 'Mori'
Artemisia stelleriana 'Prostrata'
Artemisia stelleriana prostrate

Herbaceous Perennial

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A low-growing, spreading, evergreen, herbaceous perennial. The aromatic leaves are grey-white and deeply lobed. Insignificant, yellow flowers appear on tall stems in late summer and early autumn

Position

Full sun

Soil Types

Chalk, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity: 2–5 years
Max Spread: 0.1-0.5 metres
Max Height: 0.1-0.5 metres

Growing Conditions

Chalk Loam Sand

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

Position

Full sun

Aspect: South–facing or East–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
Drought Resistance: Yes

Colour & Scent

Fragrance Foliage

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Asteraceae
Native to GB/Ireland: No
Foliage: Evergreen
Habit: Matforming
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 fertile well-drained soil in sun. Can die back in heavy, poorly-drained soil

Propagation

Divide in spring or autumn, or take semi-ripe cuttings

Suggested planting locations and garden types

City and courtyard gardens
Coastal
Cottage and informal garden
Gravel garden
Patio and container plants
Mediterranean climate plants
Low Maintenance
Underplanting of roses and shrubs
Banks and slopes
Flower borders and beds
Ground cover

Pruning

Cut to the base in autumn

Pests

Generally pest-free

Diseases

May be susceptible to honey fungus