Dutch Iris

Dutch iris is a familiar garden name for bulbous irises, but this record is specifically the accepted species Iris xiphium. The Spanish iris produces upright, narrow leaves and late-spring to early-summer flowers that are often blue or violet, with white or yellow forms also occurring. ## Identity and garden use Kew treats Iris xiphium as a distinct accepted species; the broad trade name “Dutch iris” can also refer to hybrid garden selections, so it does not by itself establish Iris × hollandica identity. The Royal Horticultural Society describes the species as a sun-loving bulb for moist but well-drained soil, with two flowers commonly produced from each bulb. It fits a sunny border or cutting garden where the soil dries somewhat during summer dormancy. [Kew Plants of the World Online](https://powo.science.kew.org/taxon/urn%3Alsid%3Aipni.org%3Anames%3A439272-1/general-information) · [Royal Horticultural Society](https://www.rhs.org.uk/plants/25692/iris-xiphium/details) ## Seasonal display Plant bulbs in a free-draining position and allow the foliage to yellow naturally after flowering so it can replenish the bulb. Flower color varies among bulbs and selections; the species should not be treated as one uniform blue cultivar. ## Maintenance Avoid waterlogged summer soil. After flowering, leave leaves intact until they die back, and lift or divide bulbs only when overcrowding or local drainage makes it necessary.