Common Pests & Diseases
Diseases
May be susceptible to aphid-borne viruses, bacterial soft rot and grey moulds; see Iris diseases
Pests
May be susceptible to slugs, snails, iris thrip and iris sawfly
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Japanese water iris 'Ruby King' · Pests & diseases
Japanese water iris 'Ruby King' · Iris ensata 'Ruby King'
Grow in moist to wet, deep, humus-rich, acid soil, plant rhizomes 7.5cm deep; it thrives at the margins of ponds or streams, but avoid winter waterlogging
Watering: Evenly moist root zone throughout growth, never leave rhizomes in stale waterSunlight: Partial shade · Full sunHarmful if eaten. Wear gloves and other protective equipment when handling