Description
Iris pseudacorus ‘Alba’ is a white cultivar of our native Yellow Flag Iris, although less vigorous. The large herbaceous perennial has tall narrow green leaves appearing in spring, followed in early summer by cream-white flowers made up of three outer hanging petals (falls) and three inner upright petals (standards). Suitable for a larger ponds or naturalising in lakes.
Water depth: 5 – 20cm water cover (measured from the growing point of the plant).
Height: 60-100cm.
Spread: Iris pseudacorus ‘Alba’ has an ultimate spread of 60-90cm (2-3ft) once established.
Flowering time: June to August.
Planting time: Plant rhizomes should be potted spring to early autumn. For this variety we would recommend planting one rhizome into a 2L fine mesh basket or larger.
Aspect: Position in full sun or partial-shade.
Hardiness: Fully hardy.
You can see this plant on display at Bennetts Water Gardens.
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