Siberian Iris 'Summer Sky'

Siberian Iris 'Summer Sky'

New in 2023.

This product is currently out of stock and unavailable.

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Soft, sky blue standards and falls with a golden splash. It has an ethereal garden presence and this triploid Iris shows commendable vigour, is fast to clump and the colour is sensational.

Siberian Iris flowers open on strong, narrow stems which gives the illusion that they are almost floating over the foliage, like pretty butterflies. These hardy Iris need practically no maintenance and will prosper in any well drained soil. With up to five blooms on a stem, Siberian Iris are great garden performers.

The grass like foliage grows to form neat clumps around the blooms. The flowers of Siberian iris are prolific in late spring just as the Bearded Iris season is coming to a close. They make great additions to floral arrangements. The seed pods that follow the flowering and can be left on for display into senescence and collected, or removed to encourage bulb growth.

Our Tip: While they don’t absolutely need frost to flower well, they will perform better in areas that have cold winters. You could try the old frozen ice cream bucket of water trick on them during July if you want to try growing them in more mild climates. We don’t recommend Siberian Iris for tropical or sub tropical coasts.

The dry tolerant nature of these hardy rhizomes makes Siberian Iris an ideal choice for water wise gardeners. Plant in well drained soil in a full sun position, they need around six hours sun a day to flower at their best.

Siberian Iris will tolerate poor soils but thrive in a humus rich environment. Plant so the crown is just below the soil surface. Water in well. They are commendably versatile and also grow well at the edge of ponds or boggy soils. The leaves are winter dormant.

Siberian Iris are best left to naturalise. They will flower more prolifically as they establish. You will need to dig and divide every four or five years so, making them ideal for low maintenance gardens.

Supplied as: Pots
Size: 7.5 cm



Botantical name

Iris sibirica






Late spring to summer


Cool to Mediterranean


Australia wide

Frost hardiness



Full Sun

Supplied as



7.5 cm

Water needs