Life Span
Perennial
Annual
Type
Perennial
Flowering Plants
Origin
-
America, Europe
Types
Iris hexagona, Iris fulva
Clump verbena, Moss verbena, Annual Verbena, Brazilian verbena, Sandpaper Verbana
Number of Varieties
16050
0
40000
👆🏻
Habitat
gardens, Wet ground
Forest edges, Hillside, Woods
USDA Hardiness Zone
6-93-9
0
99
👆🏻
AHS Heat Zone
9-5
-
Sunset Zone
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
8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
Habit
Clump-Forming
-
Plant Size
Minimum Height
81.30 cm6.56 cm
0
3900
👆🏻
Minimum Width
61.00 cm10.50 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow, Blue, Gold, Blue Violet
Blue, Dark Purple, Light Purple, Red, White
Flower Color Modifier
Bicolor
-
Fruit Color
Green
-
Leaf Color in Spring
Green
Dark Green
Leaf Color in Summer
Green
Dark Green, Green
Leaf Color in Fall
Green
Dark Green, Green
Leaf Color in Winter
Light Green
-
Shape
Leaf Shape
Long linear and narrow
Oblovate
Thorns
✔
✘
✔
✘
Plant Season
Spring
Early Spring, Late Autumn
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial shade
Growth Rate
Medium
Fast
Type of Soil
Clay, Loam
Well drained
The pH of Soil
Acidic, Neutral
Neutral, Slightly Acidic
Soil Drainage
Average
Average
Bloom Time
Early Spring, Spring, Late Spring
Early Fall, Early Summer, Fall, Late Spring, Late Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
-
Where to Plant?
Container, Ground, Pot
Container, Ground
How to Plant?
Divison, From bulbs, From Rhizomes
Seedlings, Stem Planting
Plant Maintenance
High
Medium
Watering Plants
Watering Requirements
Do not let dry out between waterings, Requires a lot of watering
Do not water frequently, Medium, Never Over-water, Requires regular watering, Requires watering in the growing season
In Summer
Lots of watering
Lots of watering
In Spring
Ample Water
Moderate
In Winter
Regular watering required
Average Water
Soil
Soil pH
Acidic, Neutral
Neutral, Slightly Acidic
Soil Type
Clay, Loam
Well drained
Soil Drainage Capacity
Average
Average
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial shade
Pruning
Remove damaged leaves, Remove dead leaves
Prune for shortening long shoots, Prune if you want to improve plant shape, Prune lower leaves, Prune regularly, Prune to control growth
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Caterpillars, Rust
-
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
-
Foliage Sheen
Matte
-
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
-
Butterflies
Allergy
-
Arthritis, Asthma, Chest Pain, Itchiness, Whooping Cough
Uses
Aesthetic Uses
Bouquets, Showy Purposes
Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
-
Air purification
Plant Benefits
Medicinal Uses
-
Arthritis, Gallbladder Diseases, Itching, Jaundice, Joint pain, Kidney problems, Liver problems, Metabolic disorders, Sore throat, Upset stomach, Urinary tract problems
Part of Plant Used
Flowers, Leaves
Flowers, Root
Other Uses
Used as Ornamental plant
Air freshner, Can be made into a herbal tea, Cosmetics, Decoration Purposes, Economic Purpose, Employed in herbal medicine, Oil is used for aromatherapy, Oil is used in perfume, soaps, creams, etc., Showy Purposes, Used As Food, Used as Ornamental plant, Used for flavoring in Liquors, dairy products, gelatins,puddings, meats, candies, etc., Used for fragrance
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bog Garden, Container, Cutflower, Mixed Border, Water Gardens
Bedding Plant, Bonsai, Container, Edible, Herb
Botanical Name
IRIS 'Blue Duke'
Purpletop Vervain
Common Name
Louisiana Iris
Verbena
In Hindi
Louisiana Iris
verbena
In German
Louisiana-Iris
Eisenkraut
In French
iris louisiane
verveine
In Spanish
iris luisiana
Verbena
In Greek
Λουιζιάνα ίριδας
λουίζα
In Portuguese
louisiana iris
verbena
In Polish
louisiana tęczówki
werbena
In Latin
louisiana iris
Grindelia
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Liliopsida
Magnoliopsida
Order
Asparagales
Lamiales
Family
Iridaceae
Verbenaceae
Genus
Iris
Verbena
Clade
Angiosperms, Monocots
-
Tribe
Irideae
-
Subfamily
Iridoideae
-
Number of Species
80250
1
27800
👆🏻