Plant Base Online (beta)
Iris pallida ssp. pallida
illustration by Pierre-Joseph Redouté, public domain
common name: Dalmatian Iris, Sweet Iris, Orris
synonyms: Iris pallida var. dalmatica
poisonous or irritant
dry soil, moist soil, sandy soil, coastal
preferred soil pH: neutral-alkaline
minimum temp: -18°C
USDA zone: 5 to 8
Rhizomatous bearded species with sword-shaped, blue-green leaves up to 60 cm long and papery, silvery bracts. Branching stems carry large, scented soft pale blue to lavender-violet flowers with yellow beards in late spring and early summer.
Well drained, fertile, neutral to quite alkaline soils in full sun. Grows well on rocky soils.
From seed or by division
One of the sources of Orris root, from which an essential oil is extracted that is used in perfumery. Was also once used medicinally. It is an alternative to Iris 'Florentina'.
From Croatia and the Adriatic coast. Widely naturalised elsewhere.
The species is relatively unusual in garden cultivation, compared to the variegated form.