Common names:
Tall Bearded Iris
Iris

Data specific to Irises (Edit)
Classification:Border Bearded (BB)
Bloom Season:Very Early
Flower Form:Tailored
Bloom Color Classification:White
Flower Patterns:Bicolor
Fragrance:Absent
Awards:Eric Nies Medal: 1909
Ben R. Hager Cup: 2919

General Plant Information (Edit)
Life cycle: Biennial
Sun Requirements: Partial Shade to Full Shade
Soil pH Preferences: Extremely acid (3.5 – 4.4)
Very strongly acid (4.5 – 5.0)
Moderately acid (5.6 – 6.0)
Minimum cold hardiness: Zone 9b -3.9 °C (25 °F) to -1.1 °C (30 °F)
Maximum recommended zone: Zone 9a
Flowers: Blooms on old wood
Underground structures: Taproot
Propagation: Seeds: Scarify seeds
Propagation: Other methods: Cuttings: Cane
Conservation status: Near Threatened (NT)

Tall bearded iris 'Thriller'

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