Calocephalus brownii ‘Extra Silver’

Calocephalus brownii ‘Extra Silver’ forms a bushy mound of slender silver-white stems with small button-like yellow flowers in summer. Its intricate, twiggy structure looks almost leafless, creating a striking contrast in borders and pots. Evergreen and generally pest-free, it is widely planted in Irish coastal and gravel gardens for its silvery architectural effect.

Size

Max Height

0.5 m — 1.0 m

Max Spread

0.1 m — 0.5 m

Growth Habit

Densely branched plant with compact, leafy, rounded overall shape.

Planting Position

Sunlight i Indicates how much direct sunlight the plant needs each day. Full sun means 6+ hours, part shade is filtered or morning sun, and full shade is little to no direct sun.

Full Sun

Aspect i Aspect refers to the direction the planting spot faces (north, south, east or west). It affects light levels, warmth and exposure.

South West

Exposure i Exposure describes how sheltered or exposed a plant’s position is, particularly to wind and weather.

Sheltered

Hardiness i Hardiness indicates how well a plant tolerates cold conditions outdoors. Higher ratings generally mean greater frost tolerance.

(−5 to +1 °C) Half-hardy

Ideal Soil Conditions

Soil Type i Soil type describes the texture of the soil (clay, sand, loam, chalk). This affects drainage, nutrients and how roots grow.

Loam Sand

Soil Moisture i Soil moisture tells you how wet or dry the soil should be for best growth. Match this to your garden conditions for healthier plants.

Free draining

Soil pH i Soil pH measures how acidic or alkaline the soil is. It affects nutrient availability and can impact plant growth.

Acid Alkaline Neutral

Plant Uses & Merits

Uses

Patios / Courtyards
Containers
Greenhouse

Merits

Generally pest-free

Calocephalus brownii ‘Extra Silver’

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Calocephalus brownii ‘Extra Silver’

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