Iris pseudacorus Seakrill is an invaluable helper in removing nitrogen compounds from water and pond substrates. This yellow iris significantly improves water quality and helps prevent excessive algae growth. It is an ideal plant for floating islands and requires no special winter protection. Grown as an ornamental plant primarily for its beautiful flowers.
| Flower color | light yellow with a distinct dark pattern at the base of the petals |
| Flowers | large, approx. 5 – 15 cm long and 5 – 18 cm in diameter |
| Height | up to 120 cm |
| Leaves | bright green, long, narrow, and stiff; up to 1.2 m long and 1 – 3 cm wide |
| Water depth | up to 20 cm |
| Blooming period | June – July |
| Reproduction | by dividing rhizomes in spring |
| Planting site | sunny or partially shaded; moist soil or shallow water (only in summer) |
| Soil | prefers nutrient-rich, slightly acidic soil but tolerates a range of conditions |
