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