Life Span
Perennial
Annual
Type
Perennial
Perennial
Origin
Eastern Europe, Russia, Siberia
Northeastern United States, Mid-Atlantic United States, Southeastern United States, Central United States, Canada, Mexico
Types
Iris sibirica
Shrub
Number of Varieties
9070
0
40000
👆🏻
Habitat
Damp shady woods, Pastures
Sunny Edge
USDA Hardiness Zone
3-83-9
0
99
👆🏻
AHS Heat Zone
7-1
8-1
Sunset Zone
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
A2, A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Clump-Forming
Upright/Erect
Plant Size
Minimum Height
50.80 cm60.00 cm
0
3900
👆🏻
Minimum Width
61.00 cm45.70 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Purple, Blue Violet
White, Purple, Pink, Rose, Violet
Flower Color Modifier
Bicolor
-
Fruit Color
-
Red, Green, Light Green
Leaf Color in Spring
Green, Dark Green
Green
Leaf Color in Summer
Green, Dark Green
Green
Leaf Color in Fall
Green, Dark Green
Green
Leaf Color in Winter
Light Green
Light Green
Shape
Leaf Shape
Linear
Lance shaped
Thorns
✔
✘
✔
✘
Plant Season
Summer
Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Fast
Fast
Type of Soil
Clay, Loam, Sand
Clay, Loam
The pH of Soil
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Drainage
Average
Average
Bloom Time
Early Summer, Summer
Summer, Late Summer, Early Fall
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Ground
Ground
How to Plant?
Bulbs, Seedlings
Root Division
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Keep ground moist
Requires regular watering
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Type
Clay, Loam, Sand
Clay, Loam
Soil Drainage Capacity
Average
Average
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Pruning
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
Red blotch
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
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
pollinators
Hummingbirds
Allergy
allergic reaction, Skin irritation
-
Uses
Aesthetic Uses
Bog Garden, Showy Purposes, Woodland margins
Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Expectorant
-
Part of Plant Used
Flowers, Root
Flowers
Other Uses
Used as an insecticide
Showy Purposes
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bog Garden, Cutflower, Feature Plant, Foundation, Mixed Border
Cutflower, Mixed Border, Wildflower
Botanical Name
IRIS sibirica
PHYSOSTEGIA
Common Name
Siberian Iris
Physostegia
In Hindi
Siberian Iris
Physostegia
In German
Sibirische Schwertlilie
Physostegia
In French
L'Iris de Sibérie
Physostegia
In Spanish
Siberian Iris
Physostegia
In Greek
Siberian Iris
Physostegia
In Portuguese
Siberian Iris
Physostegia
In Polish
Kosaciec syberyjski
Physostegia
In Latin
Siberian Iris
Physostegia
Kingdom
Plantae
Plantae
Phylum
Tracheobionta
Magnoliophyta
Class
Liliopsida
Magnoliopsida
Order
Liliales
Lamiales
Family
Iridaceae
Lamiaceae
Genus
Iris
Physostegia
Clade
Angiosperms, Monocots
Angiosperms, Asterids, Eudicots
Tribe
Irideae
-
Subfamily
Iridoideae
-
Number of Species
30065
1
27800
👆🏻