yellow flag 'Roy Davidson'
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Roy Davidson' is a clump-forming perennial to 1.1m, the stems with 10 flowers or more, light yellow with light brown veining, the falls with a crescent-shaped brown central flash

Scientific classification
- Species
- yellow flag 'Roy Davidson' (Iris pseudacorus 'Roy Davidson')
- Genus
- Iris
- Family
- Iridaceae
- Harmful if eaten. Wear gloves and other protective equipment when handling
- Toxicity
- Herbaceous Perennial · Bogs
- Plant type
- 0.5-1 metres
- Height
- 0.1-0.5 metres
- Spread
- Deciduous
- Foliage
- Clump forming
- Habit
- Spring · Summer
- Season of interest
- Full sun · Partial shade
- Sunlight
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- Ideal temperature
yellow flag 'Roy Davidson' pictures
Distribution of yellow flag 'Roy Davidson'
Distribution map
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Culture
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Toxicity
Harmful if eaten. Wear gloves and other protective equipment when handling
Quick identification of yellow flag 'Roy Davidson'
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yellow flag 'Roy Davidson' care guide
- Keep soil consistently wet or boggy at all times
- Watering
- Full sun · Partial shade
- Sunlight
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- Ideal temperature
Watering
Keep soil consistently wet or boggy at all times
Fertilizing
Light balanced feed during spring and summer growth
Pruning
Remove any dying foliage in autumn, old flower stems can be cut down after flowering
Propagation
Propagate by division of rhizomes from midsummer to early autumn
Growing
Grow in moist to wet, deep, humus-rich, acid soil; it thrives at the margins of large ponds or streams; has the potential to become a nuisance if not managed well so plant with care
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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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