Panicum virgatum (Switch Grass) 'Heavy Metal'
Standing out with its distinctive metallic blue foliage that shimmers in the sunlight, this architectural grass adds bold texture and movement to contemporary gardens. Its rigid, upright stems hold their striking form throughout the seasons, developing warm golden tones in autumn while maintaining exceptional winter presence. The delicate cloud like flower panicles that emerge in late summer create a beautiful contrast against the steely foliage. More robust and drought tolerant than many ornamental grasses, it thrives in poor soils and exposed positions where its structural qualities truly shine. Perfect as a specimen plant or repeated in swathes for dramatic effect, it brings year round interest with virtually no maintenance required.
Family of Trees: Poaceae
Habit: Ornamental Grass, Upright Blue-Green Foliage
Growth Rate: Moderate
Optimal Temperature: 15-30°C, hardy to -20°C
Harmful if Eaten?: Non-toxic
Flowers or Berries: Airy Pink-Tinted Flower Panicles
Hardiness: H5 (Hardy)
Hardiness ratings
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
- ○ H1a: under glass all year (>15C)
- ○ H1b: can be grown outside in the summer (10 - 15)
- ○ H1c: can be grown outside in the summer (5 - 10)
- ○ H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
- ○ H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
- ○ H4: hardy through most of the UK (-10 to -5)
- ○ H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
- ○ H6: hardy in all of UK and northern Europe (-20 to -15)
- ○ H7: hardy in the severest European continental climates (< -20)
| Spring | Summer | Autumn | Winter | |
|---|---|---|---|---|
| Leaves | ||||
| Flowers | ||||
| Berries |
Spring
Summer
Autumn
Winter
until discount
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Minimum spend (£200 left)
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