Artemisia arborescens 'Powis Castle'
wormwood 'Powis Castle'
An evergreen dwarf shrub of low, rounded habit, with finely divided, silvery leaves and, in late summer, insignificant dull yellow flower-heads in narrow panicles
Ultimate height0.1–0.5 metres
Time to ultimate height5–10 years
Ultimate spread0.5–1 metres
pHAcid, Alkaline, Neutral
Colour & scent
- Full sun
South–facing or West–facing or East–facing
ExposureExposed or Sheltered
- Native to the UK
Artemisia can be shrubs, perennials or annuals, evergreen or deciduous, with usually grey, aromatic, often divided foliage and rather insignificant flower-heads
- Name status
How to grow
Grow in fertile well-drained soil in sun.
Propagate by semi-hardwood cuttings
Suggested planting locations and garden types
- Gravel garden
- Cottage and informal garden
- Low Maintenance
- Flower borders and beds
Pruning Group 7 Cut back to the lowest, new shoots near the base in mid to late spring
May be susceptible to aphids and gall midge
The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.