Life Span
Perennial
Perennial
Type
Broadleaf Evergreen
Herb
Origin
Europe, Russia
Southern Europe, Mediterranean, Southern Asia
Types
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Bigleaf hydrangea, Hortensia, Smooth hydrangea, Oakleaf hydrangea, Annabelle
Habitat
Cold Regions, stream banks
Forest edges, Hillside, Woods
USDA Hardiness Zone
6-11
-9999
Sunset Zone
21,22
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Upright/Erect
Arching/Fountain-shaped
Flower Color
White, Light Pink
White, Blue, Pink, Lavender
Flower Color Modifier
Bicolor
Bicolor
Leaf Color in Spring
Red, Green, Copper
Green, Olive, Gray Green, Dark Green
Leaf Color in Summer
Green, Blue Green
Green, Olive, Gray Green, Dark Green
Leaf Color in Fall
Green, Blue Green
Green, Olive, Gray Green, Dark Green
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
Type of Soil
Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral
Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer, Summer
Early Spring, Spring, Late Spring, Early Summer, Summer, Late Summer
Where to Plant?
Container, Ground
Container, Ground
How to Plant?
Root Division, Transplanting
Seedlings, Stem Planting
Plant Maintenance
Low
Medium
Watering Requirements
Allow to dry out slightly between watering, Water daily during growing season
-
In Summer
Lots of watering
Average Water
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Acidic, Neutral
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
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
Red blotch
Plant Tolerance
Shallow soil, Sun
Drought
Flower Petal Number
Single
Single
Fragrant Bark/Stem
No
Yes
Foliage Texture
Medium
Fine
Attracts
Ants, Butterflies, pollinators
Bees, Flies
Allergy
Antibacterial, Peripheral Edema
Chest tightness, Diarrhea, Dizziness, Nausea, Vomiting
Aesthetic Uses
Cottage Garden, 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
Fever, Kidney problems, Urinary tract problems
Part of Plant Used
Leaves, Twigs
Flowers, Root
Other Uses
Used for its medicinal properties
-
Used As Indoor Plant
No
-
Used As Outdoor Plant
Yes
Yes
Garden Design
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Bedding Plant, Container, Edging, Edible, Groundcover, Hanging Basket, Herb / Vegetable, Mixed Border, Rock Garden / Wall
Botanical Name
Symphytum asperum
THYMUS 'Hartington Silver'
Common Name
Comfrey,Black Root, Blackwort, Bruisewort
Silver Thyme, Thyme
In Hindi
Blackwort
Hydrangea
In German
Blackwort
Hortensie
In French
Blackwort
Hortensia
In Spanish
Blackwort
Hortensia
In Greek
Blackwort
υδραγεία
In Portuguese
Blackwort
Hortênsia
In Polish
Blackwort
Hortensja
In Latin
Blackwort
Hibiscus
Family
Boraginaceae
Lamiaceae
Clade
Angiosperms, Eudicots, Rosids
-
Subfamily
Boraginoideae
-
Season and Care of Comfrey and Silver Thyme
Season and care of Comfrey and Silver Thyme is important to know. While considering everything about Comfrey and Silver Thyme Care, growing season is an essential factor. Comfrey season is Spring, Summer, Fall and Winter and Silver Thyme season is Spring, Summer, Fall and Winter. The type of soil for Comfrey is Loam, Sand and for Silver Thyme is Loam, Sand while the PH of soil for Comfrey is Acidic, Neutral and for Silver Thyme is Neutral, Alkaline.
Comfrey and Silver Thyme Physical Information
Comfrey and Silver Thyme physical information is very important for comparison. Comfrey height is 20.00 cm and width 90.00 cm whereas Silver Thyme height is 6.56 cm and width 10.50 cm. The color specification of Comfrey and Silver Thyme are as follows:
Comfrey flower color: White and Light Pink
Comfrey leaf color: Red, Green and Copper
Silver Thyme flower color: White, Blue, Pink and Lavender
- Silver Thyme leaf color: Green, Olive, Gray Green and Dark Green
Care of Comfrey and Silver Thyme
Care of Comfrey and Silver Thyme include pruning, fertilizers, watering etc. Comfrey pruning is done Cut or pinch the stems and Remove dead leaves and Silver Thyme 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 Silver Thyme needs Average Water and in winter, it needs Average Water.