Life Span
Annual and Perennial
Perennial
Type
Tender Perennial
Flowering Plants
Origin
Southern Europe, Mediterranean
South-Central United States
Types
Silver Lace, Cirrus
Penstemon digitalis, Penstemon barbatus, Penstemon heterophyllus
Number of Varieties
3200
0
40000
👆🏻
Habitat
Coastal Regions, Warmer regions
Rocky areas
USDA Hardiness Zone
7-115-8
0
99
👆🏻
AHS Heat Zone
12-1
12-1
Sunset Zone
H1, H2, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
No Available
Habit
Cushion/Mound-forming
Clump-Forming
Plant Size
Minimum Height
20.30 cm30.00 cm
0
3900
👆🏻
Minimum Width
30.50 cm30.50 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Yellow, Purple
White, Purple
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Tan
-
Leaf Color in Spring
Blue Green, Silver
Green
Leaf Color in Summer
Blue Green, Silver
Green
Leaf Color in Fall
Blue Green, Silver
Green
Leaf Color in Winter
Light Green
-
Shape
Leaf Shape
Irregular
Long linear and narrow
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
-
Growing Conditions
Sunlight
Full Sun
Full Sun, Partial Sun
Growth Rate
Medium
Medium
Type of Soil
Clay, Loam, Sand
Loam
The pH of Soil
Acidic, Neutral, Alkaline
Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Early Summer, Summer, Late Summer
Late Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
-
Where to Plant?
Container, Ground
Ground
How to Plant?
Seedlings, Stem Planting
From bulbs
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
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
Neutral, Alkaline
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
Remove damaged leaves
Fertilizers
fertilize every 2-3 weeks while growing, Nitrogen, Phosphorous, Potassium
All-Purpose Liquid Fertilizer
Pests and Diseases
Blight, Downy mildew, Powdery mildew, Red blotch, Rust, White mold
Red blotch
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
Sometimes
-
Self-Sowing
✔
✘
✔
✘
Attracts
Flying insects, Insects
Hummingbirds, Butterflies
Allergy
Avoid during Pregnancy, Skin irritation, Skin rash, Toxic
-
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
-
Part of Plant Used
Leaves
Flowers, Leaves
Other Uses
Employed in herbal medicine, Showy Purposes, Used as Ornamental plant, Used for its medicinal properties
Showy Purposes, Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bedding Plant, Container, Cutflower, Edging, Mixed Border, Rock Garden / Wall
Bedding Plant, Rock Garden / Wall, Wildflower
Botanical Name
CENTAUREA cineraria
PENSTEMON cobaea
Common Name
Silver dust
Beardtongue
In Hindi
डस्टी मिलर
Beardtongue
In German
Dusty Miller
Bartfaden
In French
Dusty Miller
beardtongue
In Spanish
Dusty Miller
beardtongue
In Greek
Dusty Miller
Beardtongue
In Portuguese
Dusty Miller
Beardtongue
In Polish
Dusty Miller
Beardtongue
In Latin
Dusty Cicero
ursus lingua
Kingdom
Plantae
Plantae
Phylum
Anthophyta
Tracheophyta
Class
Magnoliopsida
Equisetopsida
Order
Asterales
Lamiales
Family
Asteraceae
Scrophulariaceae
Genus
Centaurea
Penstemon
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Asterids, Eudicots
Tribe
Cynareae
-
Subfamily
Carduoideae
-
Number of Species
1261
1
27800
👆🏻