Life Span
Perennial
Perennial
Type
Bulb or Corm or Tuber
Perennial
Origin
Europe, Turkey, Central Asia, Western Asia
-
Types
Colchicum cupanii, Colchicum alpinum
Iris hexagona, Iris fulva
Number of Varieties
45160
0
40000
👆🏻
Habitat
Fields, meadows, Rocky areas, Shaded sites, Woodlands
gardens, Wet ground
USDA Hardiness Zone
-99996-9
0
99
👆🏻
AHS Heat Zone
-
9-5
Sunset Zone
21,22
H1, H2, 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
Clump-Forming
Plant Size
Minimum Height
7.60 cm81.30 cm
0
3900
👆🏻
Minimum Width
7.60 cm61.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Yellow, Purple, Violet
Yellow, Blue, Gold, Blue Violet
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Green
Leaf Color in Spring
Green
Green
Leaf Color in Summer
Light Green
Green
Leaf Color in Fall
Several shades of Green
Green
Leaf Color in Winter
Light Green
Light Green
Shape
Leaf Shape
Long Linear
Long linear and narrow
Thorns
✔
✘
✔
✘
Plant Season
Spring, Fall, Winter
Spring
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Medium
Medium
Type of Soil
Loam
Clay, Loam
The pH of Soil
Acidic, Neutral
Acidic, Neutral
Soil Drainage
Well drained
Average
Bloom Time
Early Spring, Late Summer, Early Fall, Fall, Late Fall, Winter, Late Winter
Early Spring, Spring, Late Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Container, Ground, Pot
Container, Ground, Pot
How to Plant?
Divison, Seedlings
Divison, From bulbs, From Rhizomes
Plant Maintenance
Low
High
Watering Plants
Watering Requirements
Do Not over Water, Medium, Needs less watering, Never Over-water, Requires regular watering, Water less during winter
Do not let dry out between waterings, Requires a lot of watering
In Summer
Ample Water
Lots of watering
In Spring
Less Watering
Ample Water
In Winter
Less Watering
Regular watering required
Soil
Soil pH
Acidic, Neutral
Acidic, Neutral
Soil Type
Loam
Clay, Loam
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun
Pruning
Remove damaged leaves, Remove dead leaves, Remove dead or diseased plant parts, Remove shoots
Remove damaged leaves, Remove dead leaves
Fertilizers
fertilize in growing season, Less fertilizing
All-Purpose Liquid Fertilizer
Pests and Diseases
-
Caterpillars, Rust
Plant Tolerance
Drought
Drought
Flowers
✔
✘
✔
✘
Flower Petal Number
Single, Double
Single
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Coarse
Medium
Foliage Sheen
-
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Bees, Butterflies
-
Allergy
Kidney Disease, Low blood pressure, Stomach pain, Toxic, Vomiting
-
Uses
Aesthetic Uses
Landscape Designing
Bouquets, Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, No fertilizer, pesticides, or herbicides needed, Prevent Soil Erosion
-
Plant Benefits
Medicinal Uses
anti-cancer, anti-inflammatory, Diarrhea, Diuretic, Rheumatism
-
Part of Plant Used
Flowers, Leaves
Flowers, Leaves
Other Uses
Employed in herbal medicine, Showy Purposes, Used as Ornamental plant, Used for its medicinal properties
Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Alpine, Container, Cutflower, Foundation, Lawns and Turf, Mixed Border, Rock Garden / Wall, Wildflower
Bog Garden, Container, Cutflower, Mixed Border, Water Gardens
Botanical Name
COLCHICUM
IRIS 'Blue Duke'
Common Name
Colchicum
Louisiana Iris
In Hindi
colchicum
Louisiana Iris
In German
colchicum
Louisiana-Iris
In French
colchique
iris louisiane
In Spanish
Colchicum
iris luisiana
In Greek
Colchicum
Λουιζιάνα ίριδας
In Portuguese
Colchicum
louisiana iris
In Polish
Colchicum
louisiana tęczówki
In Latin
Colchicum
louisiana iris
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Liliopsida
Liliopsida
Order
Liliales
Asparagales
Family
Liliaceae
Iridaceae
Genus
Colchicum
Iris
Clade
Angiosperms, Monocots
Angiosperms, Monocots
Tribe
-
Irideae
Subfamily
Wurmbaeiodeae
Iridoideae
Number of Species
16080
1
27800
👆🏻