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 and iris sawfly
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smooth iris · Pests & diseases
smooth iris · Iris laevigata
Also known as: Japanese iris
Grow in moist to wet, deep, humus-rich, acid soil; thrives at the margins of ponds or streams. Tolerates some lime
Watering: Evenly moist root zone throughout growth, never leave rhizomes in stale waterSunlight: Full sunHarmful if eaten. Wear gloves and other protective equipment when handling