Retail nursery specialising in Perennials and Alpines all grown peat-free.
Vigorous American-bred iris introduced in 1939. Flag irises are best lifted and divided after flowering after 4 or 5 years or when congested.
Lemon yellow flowers up to 75cm (30in) from May to June and growing 60cm (24in) wide. Prefers well drained soil in sun.