Life Span
Annual
Perennial
Type
Bulb or Corm or Tuber
Perennial
Origin
Eastern Europe, Southern Europe, Mediterranean, Turkey, Western Asia
Eastern Europe, Russia, Siberia
Types
Mountain silverbell , Rosea
Iris sibirica
Number of Varieties
390
0
40000
👆🏻
Habitat
Floodplains, low mountains, Lower slopes, secondary forest
Damp shady woods, Pastures
USDA Hardiness Zone
5-93-8
0
99
👆🏻
AHS Heat Zone
9-5
7-1
Sunset Zone
21,22
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
Clump-Forming
Clump-Forming
Plant Size
Minimum Height
25.40 cm50.80 cm
0
3900
👆🏻
Minimum Width
30.50 cm61.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White
White, Purple, Blue Violet
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
-
Leaf Color in Spring
Green
Green, Dark Green
Leaf Color in Summer
Light Green
Green, Dark Green
Leaf Color in Fall
Several shades of Green
Green, Dark Green
Leaf Color in Winter
Light Green
Light Green
Shape
Leaf Shape
Acuminate
Linear
Thorns
✔
✘
✔
✘
Plant Season
Spring
Summer
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Growth Rate
Fast
Fast
Type of Soil
-
Clay, Loam, Sand
The pH of Soil
-
Acidic, Neutral
Soil Drainage
Well drained
Average
Bloom Time
Spring, Late Spring
Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Ground
Ground
How to Plant?
Layering, Seedlings, Stem Cutting
Bulbs, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
occasional watering once established
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
Soil Type
-
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Pruning
Prune grass to maintain level, Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Pests and diseases free
Red blotch
Plant Tolerance
Drought and Salt
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
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Bees, Flying insects
pollinators
Allergy
-
allergic reaction, Skin irritation
Uses
Aesthetic Uses
along a porch, deck or patio, Beautification, Cottage Garden, Showy Purposes, Wild gardens
Bog Garden, Showy Purposes, Woodland margins
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
-
Expectorant
Part of Plant Used
-
Flowers, Root
Other Uses
Decoration Purposes
Used as an insecticide
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Cutflower, Mixed Border, Rock Garden / Wall
Bog Garden, Cutflower, Feature Plant, Foundation, Mixed Border
Botanical Name
ORNITHOGALUM nutans
IRIS sibirica
Common Name
Drooping Star-of-Bethlehem, Nodding Star-of-Bethlehem, Silver Bells
Siberian Iris
In Hindi
Silver bells
Siberian Iris
In German
Silver bells
Sibirische Schwertlilie
In French
Silver bells
L'Iris de Sibérie
In Spanish
Silver bells
Siberian Iris
In Greek
Silver bells
Siberian Iris
In Portuguese
Silver bells
Siberian Iris
In Polish
Silver bells
Kosaciec syberyjski
In Latin
Silver bells
Siberian Iris
Kingdom
Plantae
Plantae
Phylum
Angiosperms
Tracheobionta
Class
Magnoliopsida
Liliopsida
Order
Ebenales
Liliales
Family
Asparagaceae
Iridaceae
Genus
Halesia
Iris
Clade
Eudicots
Angiosperms, Monocots
Tribe
-
Irideae
Subfamily
-
Iridoideae
Number of Species
4300
1
27800
👆🏻