A medium to large, hardy, free-flowering aquatic perennial with large, rounded dark green to bronze leaves. Fragrant, dark, blue-purple flowers with golden yellow stamens appear from June through to September Dwarf/small cultivars reach 30–60cm (1–2ft) wide, and need water 30–45cm (12–18in) deep Medium cultivars reach 60–120cm (2–4ft) wide, and need water 45–75cm (18–30in) deep Large cultivars reach up to 2.4m (8ft) wide, and need water 75–120cm (30in–4ft) deep For a suitable planting depth in your pond, please follow the plant label guidelines
Position
Soil Types
Max Spread
1-1.5 metres