Double Flowered Iris Iris ensata - 1L Pot These lovely irises are just what you need to bring a splendid injection of natural colour to your pond and garden. This deciduous marginal plant is happiest in boggy soil and can grow up to 100cm tall over its lifespan of 2-5 years. The magnificent flowers bloom in numbers of three and four to a stem, making this hardy little perennial a colourful addition to your pond margin. Characteristics: Foliage Colour: green Flower Colour: rich purple Max. spread: 50cm Flowering Time: summer Uses: beds, borders, bogs, pond margins Exposure: exposed, sheltered Habit: clump forming Hardiness: very hardy Rate of Growth: moderate Requirements: Light Requirements: full sun, partial shade Soil Requirements: acidic, loamy Moisture Requirements: wet, boggy Planting: Plant about 5cm below well-drained, acidic soil with partial shade. Prefers moist conditions and is drought intolerant once established. Water regularly. This plant is suitable for zones 1 and 2 of a pond. Caring and Maintenance: Prune dead flowers to keep tidy and cut back after flowering season for maximum regrowth. A perennial is a plant that lives for more than two years. Perennials are flowering plants which grow and bloom over the spring and summer and then die back every autumn and winter. They typically grow structures that allow them to adapt to living from one year to the next through a form of vegetative reproduction rather than seeding. Perennial plants often have deep, extensive root systems which can hold soil to prevent erosion, capture dissolved nitrogen before it can contaminate ground and surface water, and outcompete weeds. They grow very well in conditions that are poor in resources due to their earlier emergence in the spring, and the development of larger root systems which can access water and soil nutrients deeper in the soil.