Life Span
Annual
Perennial
Type
Shrub
Broadleaf Evergreen
Origin
Europe, Northern Africa, Western Asia
Europe, Russia
Types
Shrub
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Habitat
Woods
Cold Regions, stream banks
USDA Hardiness Zone
4-8
6-11
Sunset Zone
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20
21,22
Habit
Thicket/Colonizing
Upright/Erect
Flower Color
Yellow
White, Light Pink
Flower Color Modifier
-
Bicolor
Fruit Color
Brown
Orange Red
Leaf Color in Spring
Green
Red, Green, Copper
Leaf Color in Summer
Green, Dark Green
Green, Blue Green
Leaf Color in Fall
Yellow, Green
Green, Blue Green
Leaf Color in Winter
-
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
Growth Rate
Medium
Medium
Type of Soil
Clay, Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Early Spring, Spring, Late Winter
Late Spring, Early Summer, Summer
Where to Plant?
Ground, Pot
Container, Ground
How to Plant?
Grafting
Root Division, Transplanting
Plant Maintenance
Medium
Low
Watering Requirements
Average Water Needs, Do Not over Water
Allow to dry out slightly between watering, Water daily during growing season
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Type
Clay, 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
Remove damaged leaves, Remove dead branches, Remove dead leaves
Cut or pinch the stems, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
14-14-14 Fertilizer, All-Purpose Liquid Fertilizer, can go long without fertilizers
Pests and Diseases
Red blotch
Aphids, Stem spot
Plant Tolerance
Drought
Shallow soil, Sun
Flower Petal Number
-
Single
Foliage Texture
Coarse
Medium
Foliage Sheen
Matte
Glossy
Attracts
-
Ants, Butterflies, pollinators
Allergy
-
Antibacterial, Peripheral Edema
Aesthetic Uses
Showy Purposes
Cottage Garden, Showy Purposes
Beauty Benefits
-
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
Environmental Uses
Air purification
Air purification, Fixes Nitrogen
Medicinal Uses
Minerals, Rich in protein, tonic in pregnancy, Vitamin E
Asthma, Diarrhea, Obesity, Osteoarthritis
Part of Plant Used
Fruits, Leaves, Seeds, Wood
Leaves, Twigs
Other Uses
Culinary use, Used for its medicinal properties
Used for its medicinal properties
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Feature Plant, Foundation, Mixed Border, Topiary, Bonsai, Espalier
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Botanical Name
CORYLUS avellana 'Contorta'
Symphytum asperum
Common Name
common hazel
Comfrey,Black Root, Blackwort, Bruisewort
In Hindi
contorted filbert
Blackwort
In German
contorted filbert
Blackwort
In French
noisetier contorsionné
Blackwort
In Spanish
avellana contorsionada
Blackwort
In Greek
παραμορφωμένες φουντουκιού
Blackwort
In Portuguese
filbert contorcido
Blackwort
In Polish
wykrzywioną leszczyna
Blackwort
In Latin
contortis Avellanam
Blackwort
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Family
Betulaceae
Boraginaceae
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Subfamily
-
Boraginoideae
Season and Care of Contorted Filbert and Comfrey
Season and care of Contorted Filbert and Comfrey is important to know. While considering everything about Contorted Filbert and Comfrey Care, growing season is an essential factor. Contorted Filbert season is Spring, Summer, Fall and Winter and Comfrey season is Spring, Summer, Fall and Winter. The type of soil for Contorted Filbert is Clay, Loam, Sand and for Comfrey is Loam, Sand while the PH of soil for Contorted Filbert is Acidic, Neutral, Alkaline and for Comfrey is Acidic, Neutral.
Contorted Filbert and Comfrey Physical Information
Contorted Filbert and Comfrey physical information is very important for comparison. Contorted Filbert height is 180.00 cm and width 180.00 cm whereas Comfrey height is 20.00 cm and width 90.00 cm. The color specification of Contorted Filbert and Comfrey are as follows:
Contorted Filbert flower color: Yellow
Contorted Filbert leaf color: Green
Comfrey flower color: White and Light Pink
- Comfrey leaf color: Red, Green and Copper
Care of Contorted Filbert and Comfrey
Care of Contorted Filbert and Comfrey include pruning, fertilizers, watering etc. Contorted Filbert pruning is done Remove damaged leaves, Remove dead branches and Remove dead leaves and Comfrey pruning is done Cut or pinch the stems and Remove dead leaves. In summer Contorted Filbert needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Comfrey needs Lots of watering and in winter, it needs Average Water.