Calamagrostis x acutiflora (Feather Reed Grass) 'Karl Foerster'
A statuesque ornamental grass that brings elegant vertical interest to gardens with its slender, upright growth habit and feathery flower plumes. In early summer, narrow panicles emerge with a pinkish hue, maturing to golden tan as they dry, remaining attractive throughout winter. The stiff, narrow blades form dense clumps of fresh green foliage that turn golden in autumn, providing year round structure. More robust than many grasses, it stands firm against wind and rain without flopping, making it ideal for creating architectural accents in borders or prairie style plantings. Thriving in full sun to partial shade with most soil types, it requires minimal care while offering maximum impact, combining beautifully with perennials and resisting damage from pests. Perfect for adding movement and texture to contemporary or naturalistic gardens.
Family of Trees: Poaceae
Habit: Ornamental Grass
Growth Rate: Fast
Optimal Temperature: 15-25°C, hardy to -20°C
Harmful if Eaten?: Non-toxic to Humans and Pets
Flowers or Berries: Feathery Plumes
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
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