Life Span
Perennial
Annual and Perennial
Type
Broadleaf Evergreen
Tender Perennial
Origin
Europe, Russia
Southern Europe, Mediterranean
Types
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Silver Lace, Cirrus
Habitat
Cold Regions, stream banks
Coastal Regions, Warmer regions
USDA Hardiness Zone
6-11
7-11
Sunset Zone
21,22
H1, H2, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Upright/Erect
Cushion/Mound-forming
Flower Color
White, Light Pink
White, Yellow, Purple
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Orange Red
Tan
Leaf Color in Spring
Red, Green, Copper
Blue Green, Silver
Leaf Color in Summer
Green, Blue Green
Blue Green, Silver
Leaf Color in Fall
Green, Blue Green
Blue Green, Silver
Leaf Color in Winter
Red, Dark Green, Burgundy, Bronze
Light Green
Leaf Shape
Oval
Irregular
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun
Growth Rate
Medium
Medium
Type of Soil
Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer, Summer
Early Summer, Summer, Late Summer
Where to Plant?
Container, Ground
Container, Ground
How to Plant?
Root Division, Transplanting
Seedlings, Stem Planting
Plant Maintenance
Low
Medium
Watering Requirements
Allow to dry out slightly between watering, Water daily during growing season
Do Not over Water, Never Over-water, Requires regular watering, Requires watering in the growing season, Water Deeply
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Type
Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun
Pruning
Cut or pinch the stems, Remove dead leaves
Remove dead leaves, Remove deadheads
Fertilizers
14-14-14 Fertilizer, All-Purpose Liquid Fertilizer, can go long without fertilizers
fertilize every 2-3 weeks while growing, Nitrogen, Phosphorous, Potassium
Pests and Diseases
Aphids, Stem spot
Blight, Downy mildew, Powdery mildew, Red blotch, Rust, White mold
Plant Tolerance
Shallow soil, Sun
Drought
Flowers
Showy
Insignificant
Flower Petal Number
Single
Single
Foliage Texture
Medium
Medium
Foliage Sheen
Glossy
Matte
Invasive
Sometimes
Sometimes
Attracts
Ants, Butterflies, pollinators
Flying insects, Insects
Allergy
Antibacterial, Peripheral Edema
Avoid during Pregnancy, Skin irritation, Skin rash, Toxic
Aesthetic Uses
Cottage Garden, Showy Purposes
Showy Purposes
Beauty Benefits
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
-
Environmental Uses
Air purification, Fixes Nitrogen
Air purification, Food for insects, Prevent Soil Erosion
Medicinal Uses
Asthma, Diarrhea, Obesity, Osteoarthritis
Headache, Menstrual Disorders, Migraines
Part of Plant Used
Leaves, Twigs
Leaves
Other Uses
Used for its medicinal properties
Employed in herbal medicine, Showy Purposes, Used as Ornamental plant, Used for its medicinal properties
Used As Indoor Plant
No
Yes
Used As Outdoor Plant
Yes
Yes
Garden Design
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Bedding Plant, Container, Cutflower, Edging, Mixed Border, Rock Garden / Wall
Botanical Name
Symphytum asperum
CENTAUREA cineraria
Common Name
Comfrey,Black Root, Blackwort, Bruisewort
Silver dust
In Hindi
Blackwort
डस्टी मिलर
In German
Blackwort
Dusty Miller
In French
Blackwort
Dusty Miller
In Spanish
Blackwort
Dusty Miller
In Greek
Blackwort
Dusty Miller
In Portuguese
Blackwort
Dusty Miller
In Polish
Blackwort
Dusty Miller
In Latin
Blackwort
Dusty Cicero
Phylum
Magnoliophyta
Anthophyta
Class
Magnoliopsida
Magnoliopsida
Family
Boraginaceae
Asteraceae
Genus
Symphytum
Centaurea
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Subfamily
Boraginoideae
Carduoideae
Importance of Comfrey and Dusty Miller
Want to have the most appropriate plant for your garden? You might want to know the importance of Comfrey and Dusty Miller. Basically, these two plants vary in many aspects. Compare Comfrey and Dusty Miller as they differ in many characteristics such as their life, care, benefits, facts, etc. Every gardener must at least have the slightest clue about the plants he wants to plant in his garden. Compare their benefits, which differ in many ways like facts and uses. The medicinal use of Comfrey is Asthma, Diarrhea, Obesity and Osteoarthritis whereas of Dusty Miller is Headache, Menstrual Disorders and Migraines. Comfrey has beauty benefits as follows: Acne, Beautiful Skin, Reduce Bruises and Remove blemishes while Dusty Miller has beauty benefits as follows: Acne, Beautiful Skin, Reduce Bruises and Remove blemishes.
Compare Facts of Comfrey vs Dusty Miller
How to choose the best garden plant for your garden depending upon its facts? Here garden plant comparison will help you to solve this query. Compare the facts of Comfrey vs Dusty Miller and know which one to choose. As garden plants have benefits and other uses, allergy is also a major drawback of plants for some people. Allergic reactions of Comfrey are Antibacterial and Peripheral Edema whereas of Dusty Miller have Avoid during Pregnancy, Skin irritation, Skin rash and Toxic respectively. Having a fruit bearing plant in your garden can be a plus point of your garden. Comfrey has showy fruits and Dusty Miller has no showy fruits. Also Comfrey is not flowering and Dusty Miller is not flowering . You can compare Comfrey and Dusty Miller facts and facts of other plants too.