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