Life Span
Annual and Perennial
Annual
Type
Tender Perennial
Herbs
Origin
Southern Europe, Mediterranean
Europe
Types
Silver Lace, Cirrus
-
Number of Varieties
315
0
40000
👆🏻
Habitat
Coastal Regions, Warmer regions
Pastures, Woodlands
USDA Hardiness Zone
7-11-9999
0
99
👆🏻
AHS Heat Zone
12-1
-
Sunset Zone
H1, H2, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
A2, 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
Cushion/Mound-forming
Clump-Forming
Plant Size
Minimum Height
20.30 cm45.70 cm
0
3900
👆🏻
Minimum Width
30.50 cm30.50 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Yellow, Purple
Blue
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Tan
Brown
Leaf Color in Spring
Blue Green, Silver
Green, Light Green
Leaf Color in Summer
Blue Green, Silver
Green, Light Green
Leaf Color in Fall
Blue Green, Silver
Green, Light Green
Leaf Color in Winter
Light Green
Light Green
Shape
Leaf Shape
Irregular
Oval
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun
Full Sun, Partial Sun
Growth Rate
Medium
Very Fast
Type of Soil
Clay, Loam, Sand
Loam
The pH of Soil
Acidic, Neutral, Alkaline
Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Early Summer, Summer, Late Summer
Indeterminate
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Container, Ground
Ground
How to Plant?
Seedlings, Stem Planting
Seedlings
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
Keep ground moist
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral, Alkaline
Neutral
Soil Type
Clay, Loam, Sand
Loam
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun
Full Sun, Partial Sun
Pruning
Remove dead leaves, Remove deadheads
Prune regularly, Remove dead or diseased plant parts
Fertilizers
fertilize every 2-3 weeks while growing, Nitrogen, Phosphorous, Potassium
fertilize in growing season
Pests and Diseases
Blight, Downy mildew, Powdery mildew, Red blotch, Rust, White mold
Japanese Beetles
Plant Tolerance
Drought
Drought
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
Bees
Allergy
Avoid during Pregnancy, Skin irritation, Skin rash, Toxic
belching, bloating, Diarrhea, Digestive Problems, gas, gastro-intestinal problems, Headache, Nausea
Uses
Aesthetic Uses
Showy Purposes
Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Food for insects, Prevent Soil Erosion
Air purification
Plant Benefits
Medicinal Uses
Headache, Menstrual Disorders, Migraines
Demulcent, Diuretic, Emollient, Fever, Kidney problems, Pulmonary afflictions
Part of Plant Used
Leaves
Flowers, Leaves, Seeds
Other Uses
Employed in herbal medicine, Showy Purposes, Used as Ornamental plant, Used for its medicinal properties
Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bedding Plant, Container, Cutflower, Edging, Mixed Border, Rock Garden / Wall
Container, Edible, Herb / Vegetable, Mixed Border
Botanical Name
CENTAUREA cineraria
BORAGO officinalis
Common Name
Silver dust
Borage, starflower
In Hindi
डस्टी मिलर
Borage
In German
Dusty Miller
Borretsch
In French
Dusty Miller
Bourrache
In Spanish
Dusty Miller
borraja
In Greek
Dusty Miller
Borage
In Portuguese
Dusty Miller
Borragem
In Polish
Dusty Miller
Ogórecznik
In Latin
Dusty Cicero
borage
Kingdom
Plantae
Plantae
Phylum
Anthophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Asterales
Lamiales
Family
Asteraceae
Boraginaceae
Genus
Centaurea
Borago
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Asterids, Eudicots
Tribe
Cynareae
-
Subfamily
Carduoideae
-
Number of Species
1150
1
27800
👆🏻