Life Span
Perennial
Perennial
Type
Broadleaf Evergreen
Tree
Origin
Europe, Russia
Northeastern United States, Mid-Atlantic United States, Southeastern United States, South-Central United States
Types
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Cherry laurel, California Bay Laurel, Spotted laurel
Habitat
Cold Regions, stream banks
Tropical regions
USDA Hardiness Zone
6-11
5-9
Sunset Zone
21,22
4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Upright/Erect
Oval or Rounded
Flower Color
White, Light Pink
White, Ivory
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Orange Red
Orange Red
Leaf Color in Spring
Red, Green, Copper
Green, Light Green, Blue Green, Silver
Leaf Color in Summer
Green, Blue Green
Green, Light Green, Blue Green, Silver
Leaf Color in Fall
Green, Blue Green
Green, Yellow green, Tan, Silver
Leaf Color in Winter
Red, Dark Green, Burgundy, Bronze
Green, Yellow green, Tan
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Growth Rate
Medium
Medium
Type of Soil
Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral
Soil Drainage
Well drained
Average
Bloom Time
Late Spring, Early Summer, Summer
Late Spring, Early Summer, Summer
Where to Plant?
Container, Ground
Ground
How to Plant?
Root Division, Transplanting
Grafting, Stem Planting
Plant Maintenance
Low
Medium
Watering Requirements
Allow to dry out slightly between watering, Water daily during growing season
Do Not over Water, occasional watering once established
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Acidic, Neutral
Acidic, Neutral
Soil Type
Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Pruning
Cut or pinch the stems, Remove dead leaves
Prune for shortening long shoots, Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
14-14-14 Fertilizer, All-Purpose Liquid Fertilizer, can go long without fertilizers
fertilize in growing season
Pests and Diseases
Aphids, Stem spot
Beetles, Fusarium wilt, Rust, Scab
Plant Tolerance
Shallow soil, Sun
Drought, Salt and Soil Compaction, Shade areas
Flower Petal Number
Single
Single
Foliage Texture
Medium
Coarse
Foliage Sheen
Glossy
Glossy
Attracts
Ants, Butterflies, pollinators
Birds, Butterflies
Allergy
Antibacterial, Peripheral Edema
allergic conjunctivitis, Nausea, wheezing
Aesthetic Uses
Cottage Garden, Showy Purposes
Cottage Garden, Showy Purposes
Beauty Benefits
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
For treating wrinkles, Hair Conditioner, Making cosmetics
Environmental Uses
Air purification, Fixes Nitrogen
Air purification, Indoor Air Purification, Insect Repellent
Medicinal Uses
Asthma, Diarrhea, Obesity, Osteoarthritis
Acne, Cancer, Diarrhea, Emollient, Migraines, Oral health, treating poison ivy
Part of Plant Used
Leaves, Twigs
Flowers, Leaf Stalks, Stem
Other Uses
Used for its medicinal properties
Cosmetics, Culinary use, Florist trade and landscaping, Making Perfumes, Oil is used in perfume, soaps, creams, etc., Used as Ornamental plant
Used As Indoor Plant
No
Yes
Used As Outdoor Plant
Yes
Yes
Garden Design
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Feature Plant, Foundation, Shade Trees
Botanical Name
Symphytum asperum
Laurus nobilis
Common Name
Comfrey,Black Root, Blackwort, Bruisewort
Sweetbay
In Hindi
Blackwort
Laurus nobilis
In German
Blackwort
Echter Lorbeer
In French
Blackwort
Laurus nobilis
In Spanish
Blackwort
Laurus nobilis
In Greek
Blackwort
Laurus nobilis
In Portuguese
Blackwort
Loureiro
In Polish
Blackwort
Wawrzyn szlachetny
In Latin
Blackwort
Laurus nobilis
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Family
Boraginaceae
Magnoliaceae
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Monocots
Subfamily
Boraginoideae
Epidendroideae
Season and Care of Comfrey and Sweetbay
Season and care of Comfrey and Sweetbay is important to know. While considering everything about Comfrey and Sweetbay Care, growing season is an essential factor. Comfrey season is Spring, Summer, Fall and Winter and Sweetbay season is Spring, Summer, Fall and Winter. The type of soil for Comfrey is Loam, Sand and for Sweetbay is Clay, Loam, Sand while the PH of soil for Comfrey is Acidic, Neutral and for Sweetbay is Acidic, Neutral.
Comfrey and Sweetbay Physical Information
Comfrey and Sweetbay physical information is very important for comparison. Comfrey height is 20.00 cm and width 90.00 cm whereas Sweetbay height is 460.00 cm and width 300.00 cm. The color specification of Comfrey and Sweetbay are as follows:
Comfrey flower color: White and Light Pink
Comfrey leaf color: Red, Green and Copper
Sweetbay flower color: White and Ivory
- Sweetbay leaf color: Green, Light Green, Blue Green and Silver
Care of Comfrey and Sweetbay
Care of Comfrey and Sweetbay include pruning, fertilizers, watering etc. Comfrey pruning is done Cut or pinch the stems and Remove dead leaves and Sweetbay pruning is done Prune for shortening long shoots, 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 Sweetbay needs Lots of watering and in winter, it needs Average Water.