Life Span
Perennial
Annual
Type
Broadleaf Evergreen
Perennial
Origin
Europe, Russia
New Zealand
Types
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
-
Habitat
Cold Regions, stream banks
All sorts of environments
USDA Hardiness Zone
6-11
7-9
Sunset Zone
21,22
2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Upright/Erect
Mat-forming
Flower Color
White, Light Pink
Yellow
Flower Color Modifier
Bicolor
Bicolor
Leaf Color in Spring
Red, Green, Copper
Green, Gray Green, Silver
Leaf Color in Summer
Green, Blue Green
Gray Green, Silver
Leaf Color in Fall
Green, Blue Green
Gray Green, Silver
Leaf Color in Winter
Red, Dark Green, Burgundy, Bronze
Light Green
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade
Type of Soil
Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer, Summer
Summer
Where to Plant?
Container, Ground
Container, Ground
How to Plant?
Root Division, Transplanting
Seedlings
Plant Maintenance
Low
High
Watering Requirements
Allow to dry out slightly between watering, Water daily during growing season
Average Water Needs
In Summer
Lots of watering
Drought Tolerant, Average Water
In Spring
Moderate
Alternate Days
In Winter
Average Water
Moderate
Soil pH
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Type
Loam, Sand
Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade
Pruning
Cut or pinch the stems, Remove dead leaves
Requires very little pruning
Fertilizers
14-14-14 Fertilizer, All-Purpose Liquid Fertilizer, can go long without fertilizers
-
Pests and Diseases
Aphids, Stem spot
Aphids, Spider mites
Plant Tolerance
Shallow soil, Sun
Drought
Flowers
Showy
Insignificant
Flower Petal Number
Single
Single
Foliage Texture
Medium
Fine
Foliage Sheen
Glossy
Matte
Attracts
Ants, Butterflies, pollinators
Birds, Butterflies, Hummingbirds
Allergy
Antibacterial, Peripheral Edema
-
Aesthetic Uses
Cottage Garden, Showy Purposes
Bog Garden, Borders
Beauty Benefits
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
-
Environmental Uses
Air purification, Fixes Nitrogen
-
Medicinal Uses
Asthma, Diarrhea, Obesity, Osteoarthritis
-
Part of Plant Used
Leaves, Twigs
Whole plant
Other Uses
Used for its medicinal properties
Showy Purposes
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Alpine, Container, Rock Garden / Wall
Botanical Name
Symphytum asperum
Raoulia glabra
Common Name
Comfrey,Black Root, Blackwort, Bruisewort
Raoulia
In Hindi
Blackwort
Raoulia
In German
Blackwort
Raoulia
In French
Blackwort
Raoulia
In Spanish
Blackwort
Raoulia
In Greek
Blackwort
Raoulia
In Portuguese
Blackwort
raoulia
In Polish
Blackwort
Raoulia
In Latin
Blackwort
Raoulia
Phylum
Magnoliophyta
Tracheophyta
Class
Magnoliopsida
Magnoliopsida
Family
Boraginaceae
Asteraceae
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Subfamily
Boraginoideae
-
Season and Care of Comfrey and Raoulia
Season and care of Comfrey and Raoulia is important to know. While considering everything about Comfrey and Raoulia Care, growing season is an essential factor. Comfrey season is Spring, Summer, Fall and Winter and Raoulia season is Spring, Summer, Fall and Winter. The type of soil for Comfrey is Loam, Sand and for Raoulia is Loam, Sand while the PH of soil for Comfrey is Acidic, Neutral and for Raoulia is Acidic, Neutral, Alkaline.
Comfrey and Raoulia Physical Information
Comfrey and Raoulia physical information is very important for comparison. Comfrey height is 20.00 cm and width 90.00 cm whereas Raoulia height is 2.50 cm and width 25.40 cm. The color specification of Comfrey and Raoulia are as follows:
Comfrey flower color: White and Light Pink
Comfrey leaf color: Red, Green and Copper
Raoulia flower color: Yellow
- Raoulia leaf color: Green, Gray Green and Silver
Care of Comfrey and Raoulia
Care of Comfrey and Raoulia include pruning, fertilizers, watering etc. Comfrey pruning is done Cut or pinch the stems and Remove dead leaves and Raoulia pruning is done Requires very little pruning. In summer Comfrey needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Raoulia needs Drought Tolerant, Average Water and in winter, it needs Moderate.