Dietes grandifloraFairy Iris

The Dietes grandiflora, commonly known as Fairy Iris, is a striking perennial plant valued for its elegant, white and purple irises that bloom profusely in spring and summer. The large, showy flowers are marked by delicate purple and yellow markings at the centre, creating a beautiful contrast against its long, sword-like green foliage. Reaching a height of 60 to 90 cm and spreading up to 60 cm wide, it is perfect for borders, mass plantings, or as a low-maintenance groundcover.

Versatile and hardy, Fairy Iris thrives in a variety of conditions, making it an ideal choice for adding colour and texture to garden beds, containers, or native plantings.

Specifications

• Height60 to 90 cm
• Width60 cm
• Native toSouth Africa
• FoliageLong, narrow, sword-like green leaves; evergreen
• Growth rateModerate

Conditions

• SoilPrefers well-drained, fertile soils; tolerates sandy, loamy, and clay types
• LightFull sun to partial shade
• WaterModerate; drought-tolerant once established
• ClimateThrives in temperate, subtropical, and coastal regions

Additional Features

• FlowersWhite and purple blooms with yellow markings; spring to summer
• FormClumping, upright growth habit with a graceful appearance
• UsesIdeal for borders, mass planting, groundcover, or containers
• SpacingPlant 30 to 60 cm apart for dense coverage
• Low MaintenanceRequires minimal care; trim old foliage for a tidy appearance
• Pest ResistanceGenerally pest-free with proper care
• Drought TolerancePerforms well in low-water gardens once established
• Wildlife AttractionFlowers attract bees, butterflies, and pollinators
• VersatilityComplements native, cottage, and modern garden styles

The Fairy Iris is a durable and beautiful plant, perfect for adding vibrant colour, texture, and low-maintenance greenery to gardens, landscapes, and containers.

Project pedigree: This species has stood in Ornatec's drought, salt and frost tolerance palette since the 1990s. Read the tolerance catalogue record.