tawny iris

Grow in damp, humus-rich soil, or in up to 15cm of standing water. Ideal at the margins of ponds or streams, in bog gardens, or in spring-flooding areas that dry out over summer. Thrives in high summer temperatures

Remove spent flowering stems and dead leaves as required

Propagate by division from midsummer to early autumn, see dividing iris for more detailed advice

May be susceptible to slugs and snails, sawfly larvae and thrips

May be susceptible to grey moulds and virus diseases