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Iris kaempferi

Iris kaempferi is a striking Japanese iris admired for its large flat flowers in shades of blue purple and white that bloom in early summer. This moisture loving perennial performs very well in New Zealand gardens, particularly in cooler regions and damp soils. It is ideal for gardeners wanting dramatic flowers with a refined form. Iris kaempferi adds elegance, height, and seasonal impact to borders, pond edges, and perennial plantings.

Iris kaempferi blue-purple flowers.
The average plant height is 30cm.
$26.93

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Suited to regions:All regions
Plant type:Perennials
Height:50 cm
Spread:40 cm
Flowering time:Spring, Summer
Tolerances:
Garden uses:Borders, Living areas, Paths & Steps, Pool areas
Garden styles:Backyard, City & Courtyard, Frontyard, Japanese, Modern
Easy to grow?Yes
Maintenance requirementsLow
Growth rateMedium
Also known as
Sku14820

How to grow Iris kaempferi in NZ

Iris kaempferi grows best in full sun to partial shade with consistently moist soil. Plant in autumn or spring to allow strong establishment. This iris thrives in New Zealand conditions where soil does not dry out completely. It performs especially well near ponds or in low lying garden areas. Water regularly during dry periods to keep soil evenly moist throughout the growing season.

Iris kaempferi care tips

Iris kaempferi is easy to care for when moisture needs are met. Keep soil consistently moist, particularly during spring and summer. Apply a general fertiliser in spring to support strong growth and flowering. Remove spent flower stems after blooming to maintain a tidy appearance. Divide clumps every three to four years in autumn to maintain vigour and flowering performance.

Iris kaempferi size, spacing, and growth rate

Iris kaempferi typically grows to around 70 to 100 centimetres tall when in flower, with foliage forming clumps about 50 to 60 centimetres wide. It has a moderate growth rate and gradually forms dense clumps. Space plants about 50 centimetres apart to allow airflow and mature spread. With suitable moisture, this iris establishes reliably and performs well long term.

Landscaping uses for Iris kaempferi

Iris kaempferi is ideal for pond margins, damp borders, rain gardens, and naturalistic plantings. It works well in mass planting or combined with other moisture loving perennials. This iris suits traditional Japanese style gardens as well as contemporary landscapes. Its large flowers create a strong focal point in residential and commercial garden designs.

Why buy Iris kaempferi from The Plant Company?

The Plant Company is New Zealand’s most trusted plant nursery, supplying premium quality plants grown for local conditions. When you buy Iris kaempferi from us, you receive a healthy well established plant ready to thrive. We offer fast nationwide delivery, expert advice, and dependable service. Our commitment to quality ensures strong establishment and outstanding flowering performance.

Questions and Answers

Have a question about Iris kaempferi? We are here to help.

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