Life Span
Perennial
Perennial
Type
Tree
Broadleaf Evergreen
Origin
Europe, Northern Africa, Western Asia
Europe, Russia
Types
Hazelnut, Corylus
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Habitat
Lower slopes, Moist woods, Slopes
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
Oval or Rounded
Upright/Erect
Flower Color
Yellow
White, Light Pink
Flower Color Modifier
Bicolor
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, Brown
Green, Blue Green
Leaf Color in Winter
-
Red, Dark Green, Burgundy, Bronze
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Medium
Medium
Type of Soil
Clay, Loam, Sand
Loam, Sand
The pH of Soil
Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Average
Well drained
Bloom Time
Early Spring, Spring, Late Winter
Late Spring, Early Summer, Summer
Where to Plant?
Ground
Container, Ground
How to Plant?
Budding, Seedlings
Root Division, Transplanting
Plant Maintenance
Medium
Low
Watering Requirements
Do not water frequently, Needs less watering
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
Neutral, Alkaline
Acidic, Neutral
Soil Type
Clay, Loam, Sand
Loam, Sand
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun, Partial Sun
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
Invasive
Sometimes
Sometimes
Attracts
-
Ants, Butterflies, pollinators
Allergy
-
Antibacterial, Peripheral Edema
Aesthetic Uses
-
Cottage Garden, Showy Purposes
Beauty Benefits
-
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
Environmental Uses
Air purification
Air purification, Fixes Nitrogen
Medicinal Uses
antihelmintic, Astringent, Diaphoretic, Febrifuge, Nutrients, Nutritive
Asthma, Diarrhea, Obesity, Osteoarthritis
Part of Plant Used
Seeds
Leaves, Twigs
Other Uses
Basketary, Cosmetics, used for making charcoal
Used for its medicinal properties
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Edible, Foundation, Fruit / Fruit Tree, Hedges, Mixed Border, Screening / Wind Break
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Botanical Name
CORYLUS avellana 'Rote Zellernuss'
Symphytum asperum
Common Name
Common Filbert, Redleaf Filbert
Comfrey,Black Root, Blackwort, Bruisewort
In Hindi
हेज़लनट
Blackwort
In German
Haselnuss
Blackwort
In French
aveline
Blackwort
In Spanish
avellana
Blackwort
In Greek
φουντούκι
Blackwort
In Portuguese
avelã
Blackwort
In Polish
leszczyna
Blackwort
In Latin
Filbert
Blackwort
Phylum
Tracheophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Family
Betulaceae
Boraginaceae
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Subfamily
-
Boraginoideae
Season and Care of Filbert and Comfrey
Season and care of Filbert and Comfrey is important to know. While considering everything about Filbert and Comfrey Care, growing season is an essential factor. Filbert season is Spring, Summer and Fall and Comfrey season is Spring, Summer and Fall. The type of soil for Filbert is Clay, Loam, Sand and for Comfrey is Loam, Sand while the PH of soil for Filbert is Neutral, Alkaline and for Comfrey is Acidic, Neutral.
Filbert and Comfrey Physical Information
Filbert and Comfrey physical information is very important for comparison. Filbert height is 370.00 cm and width 300.00 cm whereas Comfrey height is 20.00 cm and width 90.00 cm. The color specification of Filbert and Comfrey are as follows:
Filbert flower color: Yellow
Filbert leaf color: Green
Comfrey flower color: White and Light Pink
- Comfrey leaf color: Red, Green and Copper
Care of Filbert and Comfrey
Care of Filbert and Comfrey include pruning, fertilizers, watering etc. 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 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.