Artemisia ludoviciana

RHS Plant Profile
western mugwort

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western mugwort visionspictures.com
western mugwort visionspictures.com

Other common names

cudweed, western sage, white sage

Synonyms

Artemisia purshiana
Artemisia palmeri hort.
Artemisia gnaphalodes

Herbaceous Perennial
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A semi-evergreen herbaceous perennial with narrow silver leaves. It reaches around 60cm and spreads via underground stems. The flowers are spikes of yellow-brown clusters which develop in summer

Position

Full sun

Soil Types

Chalk, Clay, 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 Clay Loam Sand
Moisture
Well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun
Aspect
East–facing or West–facing or North–facing or South–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)
H6
Drought Resistance
Yes

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Asteraceae
Native to GB/Ireland
No
Foliage
Semi evergreen
Habit
Columnar upright
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
Correct
Plant Range
W US, Mexico

How to Grow

Cultivation

Grow in well drained soil in full sun

Propagation

Propagate from seed or division

Suggested planting locations and garden types

  • Coastal
  • Cottage and informal garden
  • Mediterranean climate plants

Pruning

Cut old, tired stems to the ground in autumn or late winter

Pests

Generally pest-free

Diseases

Generally disease-free