About

Iris 'Ambassadeur' is a rhizomatous perennial that reaches up to 1 meter in height during flowering. It features upright, sword-like leaves that are gray-green in color. The blooms are substantial, showcasing lavender standards, deep reddish-purple falls, and a bronze-yellow beard. This variety flowers from mid to late season.

About the genus

Iris can be classified as either rhizomatous or bulbous perennials. They feature slender leaves and upright stems that support flowers characterized by three broad, spreading or drooping fall petals alongside three upright, typically smaller, standard petals. These blooms typically appear in late winter, spring, or early summer.

Growing conditions

Sunlight
Full sun
Soil type
Loam, Sand
Soil pH
Acid, Neutral
Soil moisture
Moist but well-drained, Well-drained
Aspect
South-facing
Exposure
Sheltered
UK hardiness
H7

Plant details

Plant type
Herbaceous Perennial
Habit
Clump forming
Foliage
Deciduous
Height
0.5-1 metres
Spread
0.1-0.5 metres
Time to full height
2-5 years
Suggested uses
City and courtyard gardens, Cottage and informal garden
Toxicity
Harmful if eaten. Wear gloves and other protective equipment when handling. Pets: Harmful if eaten. For further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants

Care notes

Cultivation
Plant rhizomes just above soil level. Thrives in a sunny position, in neutral to slightly acid soil with good drainage. See bearded iris cultivation
Pruning
Remove spent flower stems in summer, and any dying foliage in autumn
Propagation
Propagate by division, see dividing irises
Pest resistance
May be susceptible to aphids, slugs, snails and thrips
Disease resistance
May be susceptible to leaf spots, rust diseases, rhizome rot and viruses; see Iris diseases for more details