Overview
Artemisia 'Powis Castle' is a bushy shrubs in the genus Artemisia, part of the Asteraceae family, with evergreen foliage. It typically grows around 0.1-0.5 metres tall and 0.5-1 metres wide, reaching full size in around 5-10 years. Artemisia 'Powis Castle' grows best in full sun, and tolerates most soils and any pH. Its UK hardiness is rated H6. It is drought resistant and low maintenance. Suggested uses include city and courtyard gardens, cottage and informal garden, low maintenance and flower borders and beds.
About
Artemisia 'Powis Castle' is a bushy, evergreen shrub belonging to the genus Artemisia in the Asteraceae family. It typically grows to a height of 0.1 to 0.5 metres with a spread of 0.5 to 1 metre, reaching full size over 5 to 10 years. This cultivar thrives in full sun and is adaptable to various soil types including chalk, loam, and sand, with a preference for well-drained conditions across acid, alkaline, and neutral pH levels. It is drought resistant, low maintenance, and provides interest throughout both summer and winter seasons.
About the genus
Artemisia is a large, diverse genus of plants belonging to the daisy family, Asteraceae, with almost 500 species. Common names for various species in the genus include mugwort, wormwood, and sagebrush.
Wikipedia contributors, "Artemisia (plant)", CC BY-SA 4.0 — Artemisia (plant)
Growing conditions
Best soil and position for Artemisia
- Sunlight
- Full sun
- Soil type
- Chalk, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Well-drained
- Aspect
- South-facing, West-facing, East-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H6
Plant details
Artemisia 'Powis Castle' size, habit and characteristics
- Plant type
- Shrubs
- Habit
- Bushy
- Foliage
- Evergreen
- Height
- 0.1-0.5 metres
- Spread
- 0.5-1 metres
- Time to full height
- 5-10 years
- Suggested uses
- City and courtyard gardens, Cottage and informal garden, Low Maintenance, Flower borders and beds
- Fragrance
- Aromatic, with a strong, sage-like scent.
Care notes
Pruning and caring for Artemisia 'Powis Castle'
- Cultivation
- Prefers full sun and well-drained soil; drought tolerant once established; avoid overwatering; suitable for borders and rock gardens.
- Pruning
- Light pruning in early spring to maintain shape and encourage bushiness; remove any dead or damaged stems.
- Propagation
- Seed, Division, Softwood cuttings, Semi-hardwood cuttings
- Pest resistance
- Generally pest-free
- Disease resistance
- Honey fungus
Frequently asked questions
How do I grow Artemisia 'Powis Castle'?
Prefers full sun and well-drained soil; drought tolerant once established; avoid overwatering; suitable for borders and rock gardens.
Where is the best place to plant Artemisia 'Powis Castle'?
Artemisia 'Powis Castle' prefers full sun. It suits exposed and sheltered positions.
What soil does Artemisia 'Powis Castle' need?
Artemisia 'Powis Castle' is adaptable and grows happily in most soil types, including chalk, loam and sand. It is happy in soil of any pH. Aim for soil that stays well-drained.
How do I prune Artemisia 'Powis Castle'?
Light pruning in early spring to maintain shape and encourage bushiness; remove any dead or damaged stems.
How big does Artemisia 'Powis Castle' grow?
Artemisia 'Powis Castle' reaches a height of 0.1-0.5 metres and a spread of 0.5-1 metres. It takes around 5-10 years to reach full size.
Is Artemisia 'Powis Castle' hardy in the UK?
Artemisia 'Powis Castle' has an RHS hardiness rating of H6, meaning it is very hardy, tolerating -20 to -15°C across most of the UK.
How do I propagate Artemisia 'Powis Castle'?
Seed, Division, Softwood cuttings, Semi-hardwood cuttings.
More in the Artemisia genus
- Artemisia 'Coca Cola'

- Artemisia 'Valerie Finnis'

- Artemisia Pontica Roman Wormwood
- Artemisia lactiflora 'Elfenbein'White Mugwort

- Artemisia schmidtiana 'Nana'Silver Mound

- Artemisia 'Boughton Silver'
- Artemisia Indica var. Momiyamae
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