Life Span
Perennial
Annual and Perennial
Type
Broadleaf Evergreen
Herbs
Origin
Europe, Russia
Southern Europe, Mediterranean
Types
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
-
Habitat
Cold Regions, stream banks
Roadsides, wastelands
USDA Hardiness Zone
6-11
4-9
Sunset Zone
21,22
H1, H2, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Upright/Erect
Upright/Erect
Flower Color
White, Light Pink
Yellow
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Orange Red
Brown
Leaf Color in Spring
Red, Green, Copper
Light Green
Leaf Color in Summer
Green, Blue Green
Light Green
Leaf Color in Fall
Green, Blue Green
Light Green
Leaf Color in Winter
Red, Dark Green, Burgundy, Bronze
Light Green
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall
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
Summer, Late Summer
Where to Plant?
Container, Ground
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
Average Water Needs
In Summer
Lots of watering
Lots of watering
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
Cut or pinch the stems, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts, Remove deadheads
Fertilizers
14-14-14 Fertilizer, All-Purpose Liquid Fertilizer, can go long without fertilizers
All-Purpose Liquid Fertilizer, Use to half the strength of the fertilizer
Pests and Diseases
Aphids, Stem spot
Caterpillars, Cutworms, Slugs
Plant Tolerance
Shallow soil, Sun
Drought
Flower Petal Number
Single
Single
Fragrant Bark/Stem
No
Yes
Foliage Texture
Medium
Fine
Foliage Sheen
Glossy
Matte
Invasive
Sometimes
Sometimes
Attracts
Ants, Butterflies, pollinators
Caterpillar
Allergy
Antibacterial, Peripheral Edema
-
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
Digestion problems, Gastrointestinal disorders
Part of Plant Used
Leaves, Twigs
Leaves, Seeds, Stem
Other Uses
Used for its medicinal properties
Can be made into a herbal tea, Culinary use, Used as a spice
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Container, Edible, Herb / Vegetable, Mixed Border
Botanical Name
Symphytum asperum
FOENICULUM vulgare
Common Name
Comfrey,Black Root, Blackwort, Bruisewort
Common Fennel, Fennel
In German
Blackwort
Fenchel
In French
Blackwort
Fenouil
In Spanish
Blackwort
Hinojo
In Greek
Blackwort
Μάραθο
In Portuguese
Blackwort
Funcho
In Polish
Blackwort
Koper włoski
In Latin
Blackwort
faeniculi
Phylum
Magnoliophyta
Anthophyta
Class
Magnoliopsida
Magnoliopsida
Family
Boraginaceae
Apiaceae
Genus
Symphytum
Foeniculum
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Subfamily
Boraginoideae
Apioideae
Season and Care of Comfrey and Fennel
Season and care of Comfrey and Fennel is important to know. While considering everything about Comfrey and Fennel Care, growing season is an essential factor. Comfrey season is Spring, Summer, Fall and Winter and Fennel season is Spring, Summer, Fall and Winter. The type of soil for Comfrey is Loam, Sand and for Fennel is Loam, Sand while the PH of soil for Comfrey is Acidic, Neutral and for Fennel is Neutral, Alkaline.
Comfrey and Fennel Physical Information
Comfrey and Fennel physical information is very important for comparison. Comfrey height is 20.00 cm and width 90.00 cm whereas Fennel height is 60.00 cm and width 30.00 cm. The color specification of Comfrey and Fennel are as follows:
Comfrey flower color: White and Light Pink
Comfrey leaf color: Red, Green and Copper
Fennel flower color: Yellow
- Fennel leaf color: Light Green
Care of Comfrey and Fennel
Care of Comfrey and Fennel include pruning, fertilizers, watering etc. Comfrey pruning is done Cut or pinch the stems and Remove dead leaves and Fennel pruning is done Cut or pinch the stems, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts and Remove deadheads. In summer Comfrey needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Fennel needs Lots of watering and in winter, it needs Average Water.