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Plectranthus argentea ‘Silver Shield’ (Silver Spurflower)

Plectranthus argentea ‘Silver Shield’ (Silver Spurflower)

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Plectranthus argentea ‘Silver Shield’ is a striking herbaceous perennial grown primarily for its bold, silvery foliage. The soft, velvety leaves create a luminous effect in shaded or partially shaded gardens, making it an excellent contrast plant for mixed borders and container displays.

In summer, it may produce delicate bluish-white flower spikes, although it is often grown for its ornamental foliage rather than its blooms. This fast-growing, heat-tolerant plant performs best in warm climates and is widely used as a seasonal bedding plant, indoor feature, or shaded patio accent.

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Mature height

0.6 to 0.75m

Mature width

0.6 to 0.75m

Spacing

0.5 to 0.7m

Evergreen/Deciduous

Evergreen in warm climates, annual in cooler regions

Foliage

Silvery-grey velvety foliage with occasional bluish-white flower spikes

Flowering Period & Fruit Development/Harvest

Summer

Sun tolerance

Part shade (tolerates sun in cooler climates)

Maintenance

Medium, pinch flower buds for foliage display and prune to maintain compact shape

Root System

Fibrous, shallow root system suited to containers and well-drained beds