Life Span
Perennial
Perennial
Type
Perennial
Perennial
Origin
Northeastern United States, Mid-Atlantic United States, Southeastern United States, Central United States, Texas, Canada
Eastern Europe, Russia, Siberia
Types
-
-
Number of Varieties
1010
0
40000
👆🏻
Habitat
Open areas, stream banks, Wet Woods
Grassland, Pastures, Swamps
USDA Hardiness Zone
4-83-8
0
99
👆🏻
AHS Heat Zone
8-1
9-1
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17
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
60.00 cm90.00 cm
0
3900
👆🏻
Minimum Width
30.50 cm60.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Blue, Lavender, Blue Violet
Blue Violet
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
-
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
Lanceolate
Long Narrow
Thorns
✔
✘
✔
✘
Plant Season
Summer, Fall
Summer
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade
Growth Rate
Medium
Fast
Type of Soil
Clay, Loam
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Average
Average
Bloom Time
Summer, Late Summer, Early Fall
Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Deer resistant, Shade areas, Wet Site
Drought
Where to Plant?
Ground
Ground
How to Plant?
Divison, Seedlings
Seedlings
Plant Maintenance
Low
Medium
Watering Plants
Watering Requirements
Do not let dry out between waterings, Needs Very high moisture, Requires consistently moist soil
Keep the ground moist but not water-logged, Requires regular watering, Requires watering in the growing season
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, Alkaline
Soil Type
Clay, Loam
Clay, Loam, Sand
Soil Drainage Capacity
Average
Average
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade
Pruning
Remove damaged leaves, Remove dead branches, Remove dead flowers, Remove dead leaves, Remove deadheads
Remove damaged leaves, Remove dead leaves
Fertilizers
10-10-10, Balanced liquid fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Head smut, Rust, Slugs, Snails
Red blotch
Plant Tolerance
Deer resistant, Shade areas, Wet Site
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
Bees, Birds, Butterflies, Hummingbirds
Butterflies
Allergy
Skin irritation, Skin rash, Toxic if not prepared properly
-
Uses
Aesthetic Uses
Beautification, Cottage Garden, Showy Purposes
Beautification, Bouquets, Landscape Designing, Showy Purposes
Beauty Benefits
Skin Problems
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Diarrhea, Dysentry, Healing, Stomach pain, Syphilis
-
Part of Plant Used
Bark, Flowers, Leaves, Root
Flowers, Leaves
Other Uses
Used as Ornamental plant, Used for its medicinal properties
Decoration Purposes, Showy Purposes, Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Mixed Border, Wildflower
Cutflower, Feature Plant, Foundation, Mixed Border
Botanical Name
LOBELIA siphilitica
IRIS sibirica 'Caesar's Brother'
Common Name
Great blue lobelia, great lobelia
Siberian Iris
In Hindi
महान ब्लू लोबेलिआ
Caesar's Brother Siberian Iris
In German
Great Blue Lobelia
Caesars Bruder Sibirische Iris
In French
Great Lobelia bleu
Frère Iris de Sibérie de César
In Spanish
Gran Lobelia azul
De César Hermano Siberian Iris
In Greek
Μεγάλη Μπλε Lobelia
Καίσαρα Αδελφός Σιβηρίας Iris
In Portuguese
Grande Lobelia azul
Irmão de César Siberian Iris
In Polish
Great Blue Lobelia
Cezara Brat syberyjski Iris
In Latin
Blue Lobelia
Caesaris Frater Siberian Iris
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
-
Class
Magnoliopsida
Liliopsida
Order
Campanulales
Asparagales
Family
Lobeliaceae
Iridaceae
Genus
Lobelia
Abelia
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Monocots
Tribe
-
-
Subfamily
Lobelioideae
Iridoideae
Number of Species
41535
1
27800
👆🏻