Delavay iris
Also known as: Information to be completed
I. delavayi is a vigorous clump-forming rhizomatous perennial to 1.5m tall, with narrow leaves and branched stems bearing dark purplish-blue flowers 8cm wide, each fall with a large white patch and yellow haft
Scientific classification
- Species
- Delavay iris (Iris delavayi)
- Genus
- Iris
- Family
- Iridaceae
- Harmful if eaten. Wear gloves and other protective equipment when handling
- Toxicity
- Herbaceous Perennial
- Plant type
- 1-1.5 metres
- Height
- 0.1-0.5 metres
- Spread
- Deciduous
- Foliage
- Columnar upright
- Habit
- Spring · Summer
- Season of interest
- Full sun · Partial shade
- Sunlight
- Information to be completed
- Ideal temperature
Delavay iris pictures
Distribution of Delavay iris
Distribution map
Western China
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Culture
Information to be completed
Toxicity
Harmful if eaten. Wear gloves and other protective equipment when handling
Quick identification of Delavay iris
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Delavay iris care guide
- Evenly moist muddy loam, suited for cool damp waterside garden spots
- Watering
- Full sun · Partial shade
- Sunlight
- Information to be completed
- Ideal temperature
Watering
Evenly moist muddy loam, suited for cool damp waterside garden spots
Fertilizing
FertilizingLow-nitrogen water iris feed once monthly spring flower stalk growth
Pruning
PruningRemove any dying foliage in autumn, old flower stems can be cut down after flowering
Propagation
PropagationPropagate by seed sown in autumn or by division in early autumn
Growing
GrowingGrow in any good garden soil that is preferably moist but not waterlogged. In drier soils, dig in well-rotted organic matter before planting then apply as a mulch each spring
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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, snails and thrips
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