Life Span
Perennial
Annual or Biennial
Type
Broadleaf Evergreen
Herbs
Origin
Europe, Russia
Asia, Europe, North Africa, North America
Types
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Geranium robertianum
Habitat
Cold Regions, stream banks
Shaded sites, Waste areas
USDA Hardiness Zone
6-11
3-9
Habit
Upright/Erect
Clump-Forming
Flower Color
White, Light Pink
Pink, Magenta, Rose
Flower Color Modifier
Bicolor
Bicolor
Leaf Color in Spring
Red, Green, Copper
Green, Light Green
Leaf Color in Summer
Green, Blue Green
Green
Leaf Color in Fall
Green, Blue Green
Red, Green, Dark Red
Leaf Color in Winter
Red, Dark Green, Burgundy, Bronze
Light Green
Leaf Shape
Oval
Arrowhead
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Sunlight
Full Sun, Partial Sun, Partial shade
Partial Sun, Partial shade, Full Shade
Growth Rate
Medium
Very Fast
Type of Soil
Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Average
Bloom Time
Late Spring, Early Summer, Summer
Spring, Late Spring, Early Summer, Summer
Where to Plant?
Container, Ground
Ground
How to Plant?
Root Division, Transplanting
-
Plant Maintenance
Low
Medium
Watering Requirements
Allow to dry out slightly between watering, Water daily during growing season
Keep ground moist, Requires regular watering
In Summer
Lots of watering
Average Water
In Spring
Moderate
Average Water
In Winter
Average Water
Average Water
Soil pH
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Type
Loam, Sand
Loam, Sand
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun, Partial Sun, Partial shade
Partial Sun, Partial shade, Full Shade
Pruning
Cut or pinch the stems, Remove dead leaves
Cut or pinch the stems, Remove damaged leaves, Remove dead leaves
Fertilizers
14-14-14 Fertilizer, All-Purpose Liquid Fertilizer, can go long without fertilizers
-
Pests and Diseases
Aphids, Stem spot
Downy mildew, Pest Free, Powdery mildew
Plant Tolerance
Shallow soil, Sun
Shade areas
Flower Petal Number
Single
Single
Fragrant Bark/Stem
No
Yes
Foliage Texture
Medium
Fine
Foliage Sheen
Glossy
Matte
Attracts
Ants, Butterflies, pollinators
-
Allergy
Antibacterial, Peripheral Edema
-
Aesthetic Uses
Cottage Garden, Showy Purposes
Cottage Garden, Showy Purposes
Beauty Benefits
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
Good for skin, Reduce Bruises, Skin irritation
Environmental Uses
Air purification, Fixes Nitrogen
Insect Repellent
Medicinal Uses
Asthma, Diarrhea, Obesity, Osteoarthritis
Antioxidants, Antiseptic, Astringent, Diabetes, Diarrhea, Diuretic, Gallbladder Diseases, Haemorrhages, Inflammation, Kidney problems, Kidney Stones, Liver problems, Sore throat, Strengthen gums, Swelling, Ulcers
Part of Plant Used
Leaves, Twigs
Leaves, Root, Whole plant
Other Uses
Used for its medicinal properties
Can be made into a herbal tea, repels rabbits, deers and mosquitos, Used as a nutritious food item
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Bedding Plant, Mixed Border, Wildflower
Botanical Name
Symphytum asperum
GERANIUM robertianum
Common Name
Comfrey,Black Root, Blackwort, Bruisewort
Death-Comes-Quickly, Herb Robert, Dove's Foot, Crow's Foot, Storksbill, Red Robin
In Hindi
Blackwort
जड़ी बूटी रॉबर्ट
In German
Blackwort
Kraut Robert
In French
Blackwort
herbe à Robert
In Spanish
Blackwort
hierba de San Roberto
In Greek
Blackwort
βότανο Robert
In Portuguese
Blackwort
erva robert
In Polish
Blackwort
herb robert
In Latin
Blackwort
Robertus herba
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Lamiales
Geraniales
Family
Boraginaceae
Geraniaceae
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Subfamily
Boraginoideae
-
Season and Care of Comfrey and Herb Robert
Season and care of Comfrey and Herb Robert is important to know. While considering everything about Comfrey and Herb Robert Care, growing season is an essential factor. Comfrey season is Spring, Summer, Fall and Winter and Herb Robert season is Spring, Summer, Fall and Winter. The type of soil for Comfrey is Loam, Sand and for Herb Robert is Loam, Sand while the PH of soil for Comfrey is Acidic, Neutral and for Herb Robert is Acidic, Neutral, Alkaline.
Comfrey and Herb Robert Physical Information
Comfrey and Herb Robert physical information is very important for comparison. Comfrey height is 20.00 cm and width 90.00 cm whereas Herb Robert height is 25.40 cm and width 30.50 cm. The color specification of Comfrey and Herb Robert are as follows:
Comfrey flower color: White and Light Pink
Comfrey leaf color: Red, Green and Copper
Herb Robert flower color: Pink, Magenta and Rose
- Herb Robert leaf color: Green and Light Green
Care of Comfrey and Herb Robert
Care of Comfrey and Herb Robert include pruning, fertilizers, watering etc. Comfrey pruning is done Cut or pinch the stems and Remove dead leaves and Herb Robert pruning is done Cut or pinch the stems, Remove damaged leaves and Remove dead leaves. In summer Comfrey needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Herb Robert needs Average Water and in winter, it needs Average Water.