Life Span
Annual and Perennial
Perennial
Type
Tender Perennial
Perennial
Origin
Southern Europe, Mediterranean
Eastern Europe, Russia, Siberia
Types
Silver Lace, Cirrus
Iris sibirica
Number of Varieties
390
0
40000
👆🏻
Habitat
Coastal Regions, Warmer regions
Damp shady woods, Pastures
USDA Hardiness Zone
7-113-8
0
99
👆🏻
AHS Heat Zone
12-1
7-1
Sunset Zone
H1, H2, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
A2, A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23
Habit
Cushion/Mound-forming
Clump-Forming
Plant Size
Minimum Height
20.30 cm50.80 cm
0
3900
👆🏻
Minimum Width
30.50 cm61.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Yellow, Purple
White, Purple, Blue Violet
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Tan
-
Leaf Color in Spring
Blue Green, Silver
Green, Dark Green
Leaf Color in Summer
Blue Green, Silver
Green, Dark Green
Leaf Color in Fall
Blue Green, Silver
Green, Dark Green
Leaf Color in Winter
Light Green
Light Green
Shape
Leaf Shape
Irregular
Linear
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Summer
Growing Conditions
Sunlight
Full Sun
Full Sun, Partial Sun
Growth Rate
Medium
Fast
Type of Soil
Clay, Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Well drained
Average
Bloom Time
Early Summer, Summer, Late Summer
Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Container, Ground
Ground
How to Plant?
Seedlings, Stem Planting
Bulbs, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Do Not over Water, Never Over-water, Requires regular watering, Requires watering in the growing season, Water Deeply
Keep ground moist
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Type
Clay, Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun
Full Sun, Partial Sun
Pruning
Remove dead leaves, Remove deadheads
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
fertilize every 2-3 weeks while growing, Nitrogen, Phosphorous, Potassium
All-Purpose Liquid Fertilizer
Pests and Diseases
Blight, Downy mildew, Powdery mildew, Red blotch, Rust, White mold
Red blotch
Plant Tolerance
Drought
Drought
Flowers
✔
✘
✔
✘
Flower Petal Number
Single
Single
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Medium
Medium
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Flying insects, Insects
pollinators
Allergy
Avoid during Pregnancy, Skin irritation, Skin rash, Toxic
allergic reaction, Skin irritation
Uses
Aesthetic Uses
Showy Purposes
Bog Garden, Showy Purposes, Woodland margins
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Food for insects, Prevent Soil Erosion
Air purification
Plant Benefits
Medicinal Uses
Headache, Menstrual Disorders, Migraines
Expectorant
Part of Plant Used
Leaves
Flowers, Root
Other Uses
Employed in herbal medicine, Showy Purposes, Used as Ornamental plant, Used for its medicinal properties
Used as an insecticide
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bedding Plant, Container, Cutflower, Edging, Mixed Border, Rock Garden / Wall
Bog Garden, Cutflower, Feature Plant, Foundation, Mixed Border
Botanical Name
CENTAUREA cineraria
IRIS sibirica
Common Name
Silver dust
Siberian Iris
In Hindi
डस्टी मिलर
Siberian Iris
In German
Dusty Miller
Sibirische Schwertlilie
In French
Dusty Miller
L'Iris de Sibérie
In Spanish
Dusty Miller
Siberian Iris
In Greek
Dusty Miller
Siberian Iris
In Portuguese
Dusty Miller
Siberian Iris
In Polish
Dusty Miller
Kosaciec syberyjski
In Latin
Dusty Cicero
Siberian Iris
Kingdom
Plantae
Plantae
Phylum
Anthophyta
Tracheobionta
Class
Magnoliopsida
Liliopsida
Order
Asterales
Liliales
Family
Asteraceae
Iridaceae
Genus
Centaurea
Iris
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Monocots
Tribe
Cynareae
Irideae
Subfamily
Carduoideae
Iridoideae
Number of Species
1300
1
27800
👆🏻