Life Span
Perennial
Perennial
Type
Perennial
Tree
Origin
Eastern Europe, Russia, Siberia
Mid-Atlantic United States, Southeastern United States, Central United States, South-Central United States
Types
Iris sibirica
-
Number of Varieties
903
0
40000
👆🏻
Habitat
Damp shady woods, Pastures
bottomlands, Depression on prairies, ditches, Floodplains, Riverbanks, stream banks, Swamps
USDA Hardiness Zone
3-84-9
0
99
👆🏻
AHS Heat Zone
7-1
9-1
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
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Clump-Forming
Oval or Rounded
Plant Size
Minimum Height
50.80 cm1,220.00 cm
0
3900
👆🏻
Minimum Width
61.00 cm1,220.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Purple, Blue Violet
Yellow, Brown
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Black
Leaf Color in Spring
Green, Dark Green
Green, Light Green
Leaf Color in Summer
Green, Dark Green
Green, Light Green
Leaf Color in Fall
Green, Dark Green
Yellow, Light Yellow, Tan
Leaf Color in Winter
Light Green
-
Shape
Leaf Shape
Linear
Oval with a pointed tip and fine teeth along their edges
Thorns
✔
✘
✔
✘
Plant Season
Summer
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Fast
Fast
Type of Soil
Clay, Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral
Soil Drainage
Average
Average
Bloom Time
Early Summer, Summer
Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Wet Site, Pollution, Soil Compaction
Where to Plant?
Ground
Ground
How to Plant?
Bulbs, Seedlings
Seedlings
Plant Maintenance
Medium
Low
Watering Plants
Watering Requirements
Keep ground moist
Requires a lot of watering, 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
Soil Type
Clay, Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Average
Average
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Prune in the late winter or spring, Remove dead or diseased plant parts, Shape and thin as needed
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer, No need to fertilize every year
Pests and Diseases
Red blotch
Aphids, Red blotch, Sawfly Larvae
Plant Tolerance
Drought
Pollution, Soil Compaction, Wet Site
Flowers
✔
✘
✔
✘
Flower Petal Number
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
pollinators
-
Allergy
allergic reaction, Skin irritation
Asthma
Uses
Aesthetic Uses
Bog Garden, Showy Purposes, Woodland margins
Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Erosion control, Wildlife
Plant Benefits
Medicinal Uses
Expectorant
-
Part of Plant Used
Flowers, Root
Whole plant
Other Uses
Used as an insecticide
used for making roof trusses, poles, joists, piles, Used in construction, Used in Furniture
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bog Garden, Cutflower, Feature Plant, Foundation, Mixed Border
Feature Plant, Shade Trees
Botanical Name
IRIS sibirica
BETULA nigra
Common Name
Siberian Iris
River Birch
In Hindi
Siberian Iris
River Birch
In German
Sibirische Schwertlilie
Fluss Birch
In French
L'Iris de Sibérie
Birch river
In Spanish
Siberian Iris
river Birch
In Greek
Siberian Iris
ποταμός Birch
In Portuguese
Siberian Iris
river Birch
In Polish
Kosaciec syberyjski
Rzeka Birch
In Latin
Siberian Iris
Betula
Kingdom
Plantae
Plantae
Phylum
Tracheobionta
Magnoliophyta
Class
Liliopsida
Magnoliopsida
Order
Liliales
Fagales
Family
Iridaceae
Betulaceae
Genus
Iris
Betula
Clade
Angiosperms, Monocots
Angiosperms, Eudicots, Rosids
Tribe
Irideae
-
Subfamily
Iridoideae
-
Number of Species
3003
1
27800
👆🏻