Iris 'Black Knight'
Also known as: Information to be completed
A highly attractive, clump-forming, rhizomatous, herbaceous perennial with upright, strap-like, green leaves and elegant, dark purple flowers with gold streaks on the lower petals, known as falls, in summer

Scientific classification
- Species
- Iris 'Black Knight' (Iris 'Black Knight')
- Genus
- Iris
- Family
- Iridaceae
- Harmful if eaten. Wear gloves and other protective equipment when handling
- Toxicity
- Herbaceous Perennial
- Plant type
- 0.1-0.5 metres
- Height
- 0.1-0.5 metres
- Spread
- Deciduous
- Foliage
- Clump forming · Columnar upright
- Habit
- Spring · Summer · Autumn
- Season of interest
- Full sun
- Sunlight
- Information to be completed
- Ideal temperature
Iris 'Black Knight' pictures
Distribution of Iris 'Black Knight'
Distribution map
Information to be completed
Information to be completed
Culture
Information to be completed
Toxicity
Harmful if eaten. Wear gloves and other protective equipment when handling
Quick identification of Iris 'Black Knight'
Information to be completed
Iris 'Black Knight' care guide
- Medium irrigation rate, rhizome substrate damp without standing water pools
- Watering
- Full sun
- Sunlight
- Information to be completed
- Ideal temperature
Watering
Medium irrigation rate, rhizome substrate damp without standing water pools
Fertilizing
Iris bulb nutrient feed biweekly pre-bloom and post flowering fading
Pruning
Cut back old flower stems after flowering and remove dying foliage in autumn
Propagation
Propagate by division of the rhizome shortly from mid-summer to early autumn. See dividing irises
Growing
Plant rhizomes just above soil level. Thrives in a sunny position, in ideally neutral soil with good drainage. See bearded iris cultivation
People also ask
Information to be completed
Common pests and diseases
Diseases
May be susceptible to aphid-borne viruses, bacterial soft rot and grey moulds; see Iris diseases
Pests
May be susceptible to slugs and snails
Explore the plant health library →




