Calamagrostis Karl Forester

About this plant

Calamagrostis Karl Forester is an outdoor plant from the Calamagrostis group, best suited to full sun. It can reach 1–1.8 m; seasonal interest: Flowers Jun–Sep. For best results, water regularly while establishing; afterwards adjust to soil, weather and the plant’s needs. Use fertile, well-drained soil; improve heavy soil with organic matter.

Growing and care

• Light: Full sun
• Mature height: 1–1.8 m
• Watering: Water regularly while establishing; afterwards adjust to soil, weather and the plant’s needs.
• Seasonal interest: Flowers Jun–Sep
• Hardiness / temperature: Hardy to approximately −20°C
• Soil: Fertile, well-drained soil; improve heavy soil with organic matter
• Humidity: Normal outdoor humidity with good air circulation
• Feeding: Mulch or feed in spring according to growth and soil fertility
• Pruning: Remove dead, damaged or crossing growth in the appropriate season
• Potting and repotting: Container plants should be repotted when rootbound
• Safety: Species-specific toxicity has not yet been verified. Do not ingest and check before placing near children or pets.

Care guidance is general information for the Calamagrostis group; individual cultivars and growing conditions may differ.