Type
Broadleaf Evergreen
Fruit
Types
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
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Habitat
Cold Regions, stream banks
Clay soil areas, Loamy soils, Sandy areas, Well Drained
USDA Hardiness Zone
6-11
5-9
Sunset Zone
21,22
A1, A2, A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7
Habit
Upright/Erect
Upright/Erect
Flower Color
White, Light Pink
Green, Purple
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Orange Red
Red, Purple, Burgundy, Black
Leaf Color in Spring
Red, Green, Copper
Green
Leaf Color in Summer
Green, Blue Green
Green
Leaf Color in Fall
Green, Blue Green
Green
Leaf Color in Winter
Red, Dark Green, Burgundy, Bronze
Light Green
Plant Season
Spring, Summer, Fall, Winter
Summer, Fall
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade
Growth Rate
Medium
Medium
Type of Soil
Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer, Summer
Spring
Where to Plant?
Container, Ground
Ground
How to Plant?
Root Division, Transplanting
Budding, Seedlings, Stem Cutting
Plant Maintenance
Low
Medium
Watering Requirements
Allow to dry out slightly between watering, Water daily during growing season
Allow to dry out slightly between watering, Do not water frequently
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, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade
Pruning
Cut or pinch the stems, Remove dead leaves
Do not prune during shooting season, Remove damaged leaves, Remove dead branches, Remove dead leaves, Thinning
Fertilizers
14-14-14 Fertilizer, All-Purpose Liquid Fertilizer, can go long without fertilizers
Apply N-P-K, since leafy plants, use higher nitrogen content fertilizer
Pests and Diseases
Aphids, Stem spot
Birds, Leaf spot, Red blotch
Plant Tolerance
Shallow soil, Sun
Drought
Flowers
Showy
Insignificant
Flower Petal Number
Single
Single
Foliage Texture
Medium
Medium
Foliage Sheen
Glossy
Glossy
Attracts
Ants, Butterflies, pollinators
Birds
Allergy
Antibacterial, Peripheral Edema
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Aesthetic Uses
Cottage Garden, Showy Purposes
Cottage Garden
Beauty Benefits
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
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Environmental Uses
Air purification, Fixes Nitrogen
Air purification
Medicinal Uses
Asthma, Diarrhea, Obesity, Osteoarthritis
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Part of Plant Used
Leaves, Twigs
Fruits
Other Uses
Used for its medicinal properties
Used As Food
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Edible, Fruit / Fruit Tree, Hedges, Mixed Border
Botanical Name
Symphytum asperum
RIBES x culverwellii
Common Name
Comfrey,Black Root, Blackwort, Bruisewort
Jostaberry
In Hindi
Blackwort
Jostaberry
In German
Blackwort
Jostaberry
In French
Blackwort
casseille
In Spanish
Blackwort
Jostaberry
In Greek
Blackwort
Jostaberry
In Portuguese
Blackwort
Jostaberry
In Polish
Blackwort
Jostaberry
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Equisetopsida
Order
Lamiales
Saxifragales
Family
Boraginaceae
Grossulariaceae
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Core eudicots, Eudicots
Subfamily
Boraginoideae
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Season and Care of Comfrey and Jostaberry
Season and care of Comfrey and Jostaberry is important to know. While considering everything about Comfrey and Jostaberry Care, growing season is an essential factor. Comfrey season is Spring, Summer, Fall and Winter and Jostaberry season is Spring, Summer, Fall and Winter. The type of soil for Comfrey is Loam, Sand and for Jostaberry is Clay, Loam, Sand while the PH of soil for Comfrey is Acidic, Neutral and for Jostaberry is Acidic, Neutral, Alkaline.
Comfrey and Jostaberry Physical Information
Comfrey and Jostaberry physical information is very important for comparison. Comfrey height is 20.00 cm and width 90.00 cm whereas Jostaberry height is 120.00 cm and width 120.00 cm. The color specification of Comfrey and Jostaberry are as follows:
Comfrey flower color: White and Light Pink
Comfrey leaf color: Red, Green and Copper
Jostaberry flower color: Green and Purple
- Jostaberry leaf color: Green
Care of Comfrey and Jostaberry
Care of Comfrey and Jostaberry include pruning, fertilizers, watering etc. Comfrey pruning is done Cut or pinch the stems and Remove dead leaves and Jostaberry pruning is done Do not prune during shooting season, Remove damaged leaves, Remove dead branches, Remove dead leaves and Thinning. In summer Comfrey needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Jostaberry needs Lots of watering and in winter, it needs Average Water.