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DeciduousUsually. Narrow, grass-like leaves to 45cm (18in) long
HeightTo 1.2m (4ft)
Bulb/Corm or rhizomatous perennialClump-forming, rhizomatous perennial. Each branched stem produces up to 5 flowers to 7cm (2¾in) across
HerbaceousEarly in the year, typically January till end of March, herbaceous plants might be supplied in 9cm pots to ensure timely despatch.
Very hardyHardy in the severest continental climates including exposed upland locations in the UK. Plant can withstand temperatures < -20 (-4°F)
IRIS sibirica 'Blue King'
- Mature Size
- Tips and Advice
- Goes Well With
- Planting Combinations
- Other Suggestions
- See Also...
Additional FeaturesGood to knowBeardless Siberian irisPests & DiseasesSlugs, snails, thrips, viral infections, grey mould(Botrytis)Place of originCentral and eastern Europe, northeastern Turkey, Russia. Garden origin.
Soil ConditionsFertile moist well-drained soilModerately fertile. Humus-rich. Will tolerate moist, but not waterlogged, soilNeutral to acid soilNeutral to slightly acid
- Dividing Herbaceous Perennials - Video Tip ondemand_video
- Spring Planting Osteospermums - Video Tip ondemand_video
- Dividing Summer Perennials - Video Tip ondemand_video
- Dividing summer flowering Hemerocallis - Video Tip ondemand_video
- Summer propagation - Video Tip ondemand_video
- Self-seeding aquilegia - Video Tip ondemand_video
- Supporting Plants - Video Tip ondemand_video
- Dead heading meconopsis - Video Tip ondemand_video
- Dead heading Delphiniums - Video Tip ondemand_video
- Feeding herbaceous peonies - Video Tip ondemand_video
- Overpotting Problems - Video Tip ondemand_video
to 1.2m (4ft)