Bearded Iris (Iris x hybrida)-Hort Answers - University of Illinois Extension
University of Illinois Extension

University of Illinois Extension

Hort Answers

Perennial

Bearded Iris
Iris x hybrida

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Features
Lance like foliage and tall spectacular blooms early summer and in the fall with repeat blooming types.  
 
Culture
Prefer full sun to very light shade in moist very well-drained soil 
 
Cultivars

Many available. Some include:

'Candy Apple' 10-14 inches tall, red flowers

'Open Sky' 9-10 inches tall, light blue flowers

'Botik' 2-3 feet tall, purple flowers

'Before the Storm' 3-4 feet tall, purple/black flowers

'Immortality' 2-3 feet tall, white flowers, repeat bloom in Sept.

'Autumn Circus' 2-3 feet tall, white flowers, repeat bloom in August

'Perfume Counter' 2-3 feet tall, blue flowers, repeat bloom in October

 
 
Mature Height
8 Inches - 3 Feet
 
Size
Small
Medium
Tall
 
 
USDA Hardiness Zone
3 - 10 
 
Bloom Color
Bi-color
Blue
Lavender
Peach
Pink
Purple
Red
Salmon
White
Yellow
 
 
Bloom Season
June - July
 
Soil Conditions
Moist, Well-Drained
 
 
Exposure/Light Requirements
Full Sun
 
 
Foliage Color
Green
 
 
Pests and Problems

Environmental Damage

Fungal Disease

Insect Damage


Additional pests and problems that may affect this plant:

Iris borer, rust, mycosphaerella leaf spot, soft rots
 
Additional Notes
Good drainage is a must. Plant so top of rhizome is on top of the soil surface. Don't cover with mulch. Poorly drained heavy soils lead to soft rots.

 

 
Related Resources
Home, Yard & Garden Pest Guide
Illinois Commercial Landscape and Turfgrass Pest Management Handbook
U of IL - Distance Diagnosis through Digital Imaging
U of IL - Plant Clinic