Douglas iris
Also known as: Information to be completed
I. douglasiana is an evergreen perennial to 70cm tall, with narrow, dark green leaves and usually branched stems bearing purple or lavender-blue flowers up to 10cm wide in late spring, the falls often with a white basal patch
Scientific classification
- Species
- Douglas iris (Iris douglasiana)
- Genus
- Iris
- Family
- Iridaceae
- Harmful if eaten. Wear gloves and other protective equipment when handling
- Toxicity
- Herbaceous Perennial
- Plant type
- 0.5-1 metres
- Height
- 0.1-0.5 metres
- Spread
- Evergreen
- Foliage
- Bushy
- Habit
- Spring · Summer · Autumn · Winter
- Season of interest
- Full sun · Partial shade
- Sunlight
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- Ideal temperature
Douglas iris pictures
Distribution of Douglas iris
Distribution map
North Western America
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Culture
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Toxicity
Harmful if eaten. Wear gloves and other protective equipment when handling
Quick identification of Douglas iris
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Douglas iris care guide
- Water regularly, keeping the soil moist but well-drained; reduce in summer dormancy.
- Watering
- Full sun · Partial shade
- Sunlight
- Information to be completed
- Ideal temperature
Watering
Water regularly, keeping the soil moist but well-drained; reduce in summer dormancy.
Fertilizing
FertilizingApply a balanced fertilizer in early spring and after flowering.
Pruning
PruningRemove dead foliage, old flower stems can be cut down after flowering
Propagation
PropagationPropagate by seed or division in spring
Growing
GrowingThe most easily grown of the Pacific Coast Iris tolerating slightly drier and more alkaline soils
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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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