Life Span
Perennial
Perennial
Type
Shrub
Broadleaf Evergreen
Origin
Russia/Siberia, China
Europe, Russia
Types
Dwarf Siberian Peashrub, Sutherland Peashrub, Weeping Siberian Peashrub
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Number of Varieties
52
0
40000
👆🏻
Habitat
Forest edges, gully slopes, Open Forest, Riverbanks, Sandy areas
Cold Regions, stream banks
USDA Hardiness Zone
2-86-11
0
99
👆🏻
AHS Heat Zone
8-1
-
Sunset Zone
A1, A2, A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 12
21,22
Habit
Narrow Upright/Fastigiate
Upright/Erect
Plant Size
Minimum Height
460.00 cm20.00 cm
0
3900
👆🏻
Minimum Width
300.00 cm90.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow
White, Light Pink
Flower Color Modifier
-
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, Light Yellow
Green, Blue Green
Leaf Color in Winter
-
Red, Dark Green, Burgundy, Bronze
Shape
Leaf Shape
Pinnate
Oval
Thorns
✔
✘
✔
✘
Plant Season
Spring
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Fast
Medium
Type of Soil
Clay, Loam
Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Spring
Late Spring, Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought, Salt
-
Where to Plant?
Ground
Container, Ground
How to Plant?
Cuttings, Layering, Seedlings
Root Division, Transplanting
Plant Maintenance
Low
Low
Watering Plants
Watering Requirements
Keep the ground moist but not water-logged, occasional watering once established
Allow to dry out slightly between watering, Water daily during growing season
In Summer
Moderate
Lots of watering
In Spring
Ample Water
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Type
Clay, Loam
Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun
Full Sun, Partial Sun, Partial shade
Pruning
Remove dead branches, Remove dead or diseased plant parts
Cut or pinch the stems, Remove dead leaves
Fertilizers
fertilize in spring
14-14-14 Fertilizer, All-Purpose Liquid Fertilizer, can go long without fertilizers
Pests and Diseases
blister beetles, Septoria leaf spot, stem decay
Aphids, Stem spot
Plant Tolerance
Drought, Salt
Shallow soil, Sun
Flowers
✔
✘
✔
✘
Flower Petal Number
Single
Single
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Fine
Medium
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
Sometimes
Sometimes
Self-Sowing
✔
✘
✔
✘
Attracts
Bees, Hummingbirds
Ants, Butterflies, pollinators
Allergy
Diarrhea, Vomiting
Antibacterial, Peripheral Edema
Uses
Aesthetic Uses
-
Cottage Garden, Showy Purposes
Beauty Benefits
used as a dye
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
Edible Uses
✔
✘
✔
✘
Environmental Uses
Erosion control, Fixes Nitrogen, Food for animals, Shelter for wildlife, Windbreak
Air purification, Fixes Nitrogen
Plant Benefits
Medicinal Uses
Cancer, Dysmenorrhea, Gynaecological
Asthma, Diarrhea, Obesity, Osteoarthritis
Part of Plant Used
Leaves, Seeds
Leaves, Twigs
Other Uses
Fibre, For making oil, Shelterbelt, Used as a dye, Used for making informal hedge
Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Hedges, Mixed Border, Screening, Wind Break
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Botanical Name
CARAGANA arborescens
Symphytum asperum
Common Name
Siberian peashrub, Siberian pea-tree, caragana
Comfrey,Black Root, Blackwort, Bruisewort
In Hindi
Siberian peashrub
Blackwort
In German
Gemeiner Erbsenstrauch
Blackwort
In French
Caraganier de Sibérie
Blackwort
In Spanish
Siberian Peashrub
Blackwort
In Greek
Siberian Peashrub
Blackwort
In Portuguese
Siberian peashrub
Blackwort
In Polish
Karagana syberyjska
Blackwort
In Latin
Siberian Peashrub
Blackwort
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fabales
Lamiales
Family
Fabaceae
Boraginaceae
Genus
Caragana
Symphytum
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
-
Boraginoideae
Number of Species
2535
1
27800
👆🏻