Life Span
Annual and Perennial
Perennial
Type
Tender Perennial
Herbs, Perennial
Origin
Southern Europe, Mediterranean
South-Eastern Asia
Types
Silver Lace, Cirrus
-
Number of Varieties
320
0
40000
👆🏻
Habitat
Coastal Regions, Warmer regions
Semi desert, Wet forest
USDA Hardiness Zone
7-119-11
0
99
👆🏻
AHS Heat Zone
12-1
12 - 9
Sunset Zone
H1, H2, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
-
Habit
Cushion/Mound-forming
Clump-Forming
Plant Size
Minimum Height
20.30 cm460.00 cm
0
3900
👆🏻
Minimum Width
30.50 cm20.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Yellow, Purple
White
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Tan
-
Leaf Color in Spring
Blue Green, Silver
Dark Green
Leaf Color in Summer
Blue Green, Silver
Green, Light Green
Leaf Color in Fall
Blue Green, Silver
Dark Green
Leaf Color in Winter
Light Green
Dark Green
Shape
Leaf Shape
Irregular
Elliptic
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Medium
Very Fast
Type of Soil
Clay, Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Average
Bloom Time
Early Summer, Summer, Late Summer
Indeterminate
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Wet Site
Where to Plant?
Container, Ground
Container, Ground
How to Plant?
Seedlings, Stem Planting
Stem Cutting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Do Not over Water, Never Over-water, Requires regular watering, Requires watering in the growing season, Water Deeply
Average Water Needs, Needs good drainage
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, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun
Full Sun, Partial Sun, Partial shade
Pruning
Remove dead leaves, Remove deadheads
Cut away fading foliage, Cut upper 1/3 section when young to enhancegrowth, Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
fertilize every 2-3 weeks while growing, Nitrogen, Phosphorous, Potassium
All-Purpose Liquid Fertilizer, Don't use high pH fertilizers
Pests and Diseases
Blight, Downy mildew, Powdery mildew, Red blotch, Rust, White mold
Aphids, Downy mildew, Dry root rot, Rust, Spider mites
Plant Tolerance
Drought
Heat Tolerance, Humidity
Flowers
Insignificant
Showy
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
Flying insects, Insects
Aphids, Bees, Butterflies, Snails
Allergy
Avoid during Pregnancy, Skin irritation, Skin rash, Toxic
Dizziness, Mouth itching, Vomiting
Uses
Aesthetic Uses
Showy Purposes
Cottage Garden, Showy Purposes
Beauty Benefits
-
Good Cleanser, Good for the Scalp
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Food for insects, Prevent Soil Erosion
Air purification, Insect Repellent
Plant Benefits
Medicinal Uses
Headache, Menstrual Disorders, Migraines
Antipyretic, Bronchitis, Cough, Digestive disorders, Ear infections, Expectorant, Laxative, Migraines, Piles, Rheumatism, Throat infection, Treating fever
Part of Plant Used
Leaves
Bark, Leaf Stalks, Leaves
Other Uses
Employed in herbal medicine, Showy Purposes, Used as Ornamental plant, Used for its medicinal properties
Biomass for fuel, Can be made into a herbal tea, Culinary use, Oil is used for aromatherapy, Used as a laxative
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bedding Plant, Container, Cutflower, Edging, Mixed Border, Rock Garden / Wall
Container, Hedges, Mixed Border, Screening / Wind Break, Tropical
Botanical Name
CENTAUREA cineraria
Justicia adhatoda
Common Name
Silver dust
Malabar nut, Adulsa, Adhatoda, Vasaka
In Hindi
डस्टी मिलर
अडुळसा, अडुसा
In German
Dusty Miller
Indisches Lungenkraut
In French
Dusty Miller
Justicia adhatoda
In Spanish
Dusty Miller
Justicia adhatoda
In Greek
Dusty Miller
Justicia adhatoda
In Portuguese
Dusty Miller
Justicia adhatoda
In Polish
Dusty Miller
Justicia adhatoda
In Latin
Dusty Cicero
Justicia adhatoda
Kingdom
Plantae
Plantae
Phylum
Anthophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Asterales
Scrophulariales
Family
Asteraceae
Acanthaceae
Genus
Centaurea
Justicia
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Monocots
Tribe
Cynareae
Justicieae
Subfamily
Carduoideae
Acanthoideae
Number of Species
1658
1
27800
👆🏻