Life Span
Perennial
Perennial
Type
Broadleaf Evergreen
Broadleaf Evergreen
Origin
Europe, Russia
China
Types
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Rhododendron
Habitat
Cold Regions, stream banks
Well Drained
USDA Hardiness Zone
6-11
5-7
Habit
Upright/Erect
Cushion/Mound-forming
Flower Color
White, Light Pink
Purple, Lavender, Violet
Flower Color Modifier
Bicolor
Bicolor
Leaf Color in Spring
Red, Green, Copper
Blue Green
Leaf Color in Summer
Green, Blue Green
Blue Green
Leaf Color in Fall
Green, Blue Green
Blue Green
Leaf Color in Winter
Red, Dark Green, Burgundy, Bronze
Blue Green
Leaf Shape
Oval
Elliptic and Ovate
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Type of Soil
Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer, Summer
Early Spring, Spring
Where to Plant?
Container, Ground
Container, Pot
How to Plant?
Root Division, Transplanting
Rooted stem cutting
Plant Maintenance
Low
Medium
Watering Requirements
Allow to dry out slightly between watering, Water daily during growing season
Average Water Needs
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Acidic, Neutral
Acidic
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
Pruning
Cut or pinch the stems, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
14-14-14 Fertilizer, All-Purpose Liquid Fertilizer, can go long without fertilizers
All-Purpose Liquid Fertilizer
Pests and Diseases
Aphids, Stem spot
-
Plant Tolerance
Shallow soil, Sun
Drought
Flower Petal Number
Single
Single
Foliage Texture
Medium
Fine
Foliage Sheen
Glossy
Matte
Attracts
Ants, Butterflies, pollinators
Birds
Allergy
Antibacterial, Peripheral Edema
-
Aesthetic Uses
Cottage Garden, Showy Purposes
Beautification, Showy Purposes
Beauty Benefits
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
-
Environmental Uses
Air purification, Fixes Nitrogen
Air purification
Medicinal Uses
Asthma, Diarrhea, Obesity, Osteoarthritis
-
Part of Plant Used
Leaves, Twigs
Flowers, Leaves
Other Uses
Used for its medicinal properties
-
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, Edging, Groundcover, Mixed Border, Rock Garden, Wall, Topiary, Bonsai, Espalier
Botanical Name
Symphytum asperum
RHODODENDRON impeditum
Common Name
Comfrey,Black Root, Blackwort, Bruisewort
Dwarf Rhododendron, Dwarf Purple Rhododendron
In Hindi
Blackwort
Dwarf Rhododendron
In German
Blackwort
Dwarf Rhododendron
In French
Blackwort
Dwarf Rhododendron
In Spanish
Blackwort
Dwarf Rhododendron
In Greek
Blackwort
Dwarf Rhododendron
In Portuguese
Blackwort
Dwarf Rhododendron
In Polish
Blackwort
Dwarf Rhododendron
In Latin
Blackwort
Dwarf Rhododendron
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Family
Boraginaceae
Ericaceae
Genus
Symphytum
Rhododendron
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Subfamily
Boraginoideae
Ericoideae
Season and Care of Comfrey and Dwarf Rhododendron
Season and care of Comfrey and Dwarf Rhododendron is important to know. While considering everything about Comfrey and Dwarf Rhododendron Care, growing season is an essential factor. Comfrey season is Spring, Summer, Fall and Winter and Dwarf Rhododendron season is Spring, Summer, Fall and Winter. The type of soil for Comfrey is Loam, Sand and for Dwarf Rhododendron is Loam, Sand while the PH of soil for Comfrey is Acidic, Neutral and for Dwarf Rhododendron is Acidic.
Comfrey and Dwarf Rhododendron Physical Information
Comfrey and Dwarf Rhododendron physical information is very important for comparison. Comfrey height is 20.00 cm and width 90.00 cm whereas Dwarf Rhododendron height is 25.40 cm and width 45.70 cm. The color specification of Comfrey and Dwarf Rhododendron are as follows:
Comfrey flower color: White and Light Pink
Comfrey leaf color: Red, Green and Copper
Dwarf Rhododendron flower color: Purple, Lavender and Violet
- Dwarf Rhododendron leaf color: Blue Green
Care of Comfrey and Dwarf Rhododendron
Care of Comfrey and Dwarf Rhododendron include pruning, fertilizers, watering etc. Comfrey pruning is done Cut or pinch the stems and Remove dead leaves and Dwarf Rhododendron pruning is done Remove damaged leaves, Remove dead branches and Remove dead leaves. In summer Comfrey needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Dwarf Rhododendron needs Lots of watering and in winter, it needs Average Water.