Artemisia 'Powis Castle'

Powis Castle Wormwood, Silver Wormwood

$15

PB3

Mature height:

60 - 90 cm

Mature width:

90 - 120 cm

A stunning, mounded sub-shrub prized for its finely dissected, fern-like foliage of a brilliant, shimmering, silvery-grey colour. Holds its shape well and provides an incredible, cool-toned foliage contrast that lasts all season.

Growing Conditions

Soil

Well-drained, poor, sandy, or stony gravelly soil.

Sunlight

Full sun is essential for the intense, silvery-grey foliage colour.

Flower

Inconspicuous yellow-tinged flowers; grown primarily for foliage.

Care & Maintenance

Artemisia 'Powis Castle' is a striking, silver-foliaged plant that provides excellent, cool-toned contrast in Central Otago gardens.
• Prune firmly in spring to maintain compact shape.
• Plant in sunny, well-draining, and gritty soil.
• Very drought-tolerant once established in the ground.
• Resistant to drying winds and local winter frost.

Common Uses for

Artemisia 'Powis Castle'

Foliage Contrast

Provides an essential, high-impact, silver-grey visual contrast against dark-leaf plants.

Xeriscape Structural

Adds a cooling, metallic, structural anchor to dry, sunny, Mediterranean gardens.

Modern Border Accent

Introduces strong, fine-textured, graphic silver lines to minimalist planting schemes.

Dry Garden Filling

Fills sunny, empty spots with a reliable, long-lived, foliage-focused structural mound.

Need Advice?

If you’re unsure whether this plant is right for your space, feel free to get in touch. We’re happy to help you with plant selection.

Get in Touch

Visit Us Today

We’re a local, onsite nursery located in Alexandra.

All plants are selected and purchased in person so you can see quality, size, and suitability before you buy.

38 Hawley Road, Earnscleugh, Alexandra

Opening Hours

You’re welcome to visit during our open hours, or arrange a time that suits you by appointment.

August - May:

Tue, Wed, Thu | 2:00 pm – 7:00 pm

June - July:

By Appointment Only