African iris + cvs

Dietes grandiflora


The African iris, or Fortnight lily as it is also known, is a vigorous clumping perennial that reaches 4 ft. tall and 3 ft. wide. It produces large white flowers with purple and yellow markings that are the showiest of the fortnight lily species. Plants are often more robust than expected and can outgrow small planting areas after several years; large plants can be divided in fall. This species of fortnight lily is the most commonly planted in the Inland Empire where it has proven to be a highly adaptable and tough plant that tolerates a variety of soil types, sun and heat.

Several cultivars can be found a local nurseries, inducing: D. g.‘Variegata’ produces pale green leaves that have creamy stripes. It has white flowers with light purple and golden-yellow markings, and brown spots at the base of the petals. D. g ‘Lemon Drops’ grows 24-36 in. tall and has a lemon-yellow spot and speckled brown dots at the base of creamy-white petals.


Plant Type: Perennial
Foliage Character: Evergreen
Habit: Upright, Robust, Clumping
Growth Rate: Fast
Foliage Color: Medium green
Flower Color: White
Flower Season: Summer, Spring, Fall
Soil Adaptations: Well-draining soil, Loam, Clay
Exposure Adaptations: Heat, Frost, All day sun, Partial sun
Function: Residential spaces, Parks and open space, Near pools and water features, Grouped, Foundations, Flowering accent plant, Container plant, Commercial spaces, Civic spaces, Borders, Background plant
Height: 4 ft.
Width: 3 ft.