Life Span
Perennial
Perennial
Type
Broadleaf Evergreen
Tree
Origin
Europe, Russia
United States, Central United States
Types
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Deciduous Tree
Habitat
Cold Regions, stream banks
Woodland Garden Canopy
USDA Hardiness Zone
6-11
5-8
Sunset Zone
21,22
7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
Habit
Upright/Erect
Spreading
Flower Color
White, Light Pink
Yellow green, Chartreuse
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Orange Red
Chocolate
Leaf Color in Spring
Red, Green, Copper
Green, Gray Green
Leaf Color in Summer
Green, Blue Green
Gray Green, Dark Green
Leaf Color in Fall
Green, Blue Green
Yellow, Tan, Brown
Leaf Color in Winter
Red, Dark Green, Burgundy, Bronze
-
Leaf Shape
Oval
oblong or obovate
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun
Type of Soil
Loam, Sand
Clay, Loam
The pH of Soil
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer, Summer
Spring
Tolerances
-
Pollution, Drought
Where to Plant?
Container, Ground
Ground
How to Plant?
Root Division, Transplanting
Seedlings
Plant Maintenance
Low
Medium
Watering Requirements
Allow to dry out slightly between watering, Water daily during growing season
Average Water Needs, Water during dry weather
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Type
Loam, Sand
Clay, Loam
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full 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
Phosphorous
Pests and Diseases
Aphids, Stem spot
Anthracnose, Sunken patches
Plant Tolerance
Shallow soil, Sun
Drought
Flowers
Showy
Insignificant
Flower Petal Number
Single
-
Foliage Texture
Medium
Coarse
Foliage Sheen
Glossy
Glossy
Attracts
Ants, Butterflies, pollinators
Birds
Allergy
Antibacterial, Peripheral Edema
Severe allergen
Aesthetic Uses
Cottage Garden, Showy Purposes
Beautification
Beauty Benefits
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
-
Environmental Uses
Air purification, Fixes Nitrogen
Air purification
Medicinal Uses
Asthma, Diarrhea, Obesity, Osteoarthritis
Antiseptic, Astringent, Emetic, Febrifuge, Tonic
Part of Plant Used
Leaves, Twigs
Seeds
Other Uses
Used for its medicinal properties
Roasted seed is used as a coffee substitute, Used as a thickening in stews, Wood is used for making furniture
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Feature Plant, Hedges, Screening / Wind Break, Shade Trees, Street Trees
Botanical Name
Symphytum asperum
QUERCUS imbricaria
Common Name
Comfrey,Black Root, Blackwort, Bruisewort
Shingle Oak
In Hindi
Blackwort
Shingle Oak
In German
Blackwort
Kies Eiche
In French
Blackwort
Shingle Oak
In Spanish
Blackwort
teja de madera de roble
In Greek
Blackwort
βότσαλα Oak
In Portuguese
Blackwort
Shingle Oak
In Polish
Blackwort
gont Oak
In Latin
Blackwort
Quercus imbricaria
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Family
Boraginaceae
Fagaceae
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Subfamily
Boraginoideae
Fagoideae
Season and Care of Comfrey and Shingle Oak
Season and care of Comfrey and Shingle Oak is important to know. While considering everything about Comfrey and Shingle Oak Care, growing season is an essential factor. Comfrey season is Spring, Summer, Fall and Winter and Shingle Oak season is Spring, Summer, Fall and Winter. The type of soil for Comfrey is Loam, Sand and for Shingle Oak is Clay, Loam while the PH of soil for Comfrey is Acidic, Neutral and for Shingle Oak is Acidic, Neutral, Alkaline.
Comfrey and Shingle Oak Physical Information
Comfrey and Shingle Oak physical information is very important for comparison. Comfrey height is 20.00 cm and width 90.00 cm whereas Shingle Oak height is 1,830.00 cm and width 1,220.00 cm. The color specification of Comfrey and Shingle Oak are as follows:
Comfrey flower color: White and Light Pink
Comfrey leaf color: Red, Green and Copper
Shingle Oak flower color: Yellow green and Chartreuse
- Shingle Oak leaf color: Green and Gray Green
Care of Comfrey and Shingle Oak
Care of Comfrey and Shingle Oak include pruning, fertilizers, watering etc. Comfrey pruning is done Cut or pinch the stems and Remove dead leaves and Shingle Oak 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 Shingle Oak needs Lots of watering and in winter, it needs Average Water.