Life Span
Perennial
Perennial
Type
Tree
Broadleaf Evergreen
Origin
China, Japan, Korea
Europe, Russia
Types
Amanogawa , Shirotae , Shogetsu
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Number of Varieties
52
0
40000
👆🏻
Habitat
Woodlands
Cold Regions, stream banks
USDA Hardiness Zone
6-86-11
0
99
👆🏻
AHS Heat Zone
9-4
-
Sunset Zone
2b, 3a, 3b, 4, 5, 6, 7, 12, 14, 15, 16, 17, 18, 19, 20
21,22
Habit
Arching/Fountain-shaped
Upright/Erect
Plant Size
Minimum Height
460.00 cm20.00 cm
0
3900
👆🏻
Minimum Width
460.00 cm90.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Pink
White, Light Pink
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Orange Red
Leaf Color in Spring
Green, Plum
Red, Green, Copper
Leaf Color in Summer
Green
Green, Blue Green
Leaf Color in Fall
Gold, Orange Red
Green, Blue Green
Leaf Color in Winter
-
Red, Dark Green, Burgundy, Bronze
Shape
Leaf Shape
Pinnate
Oval
Thorns
✔
✘
✔
✘
Plant Season
Spring, Fall
Spring, Summer, Fall, Winter
Growing Conditions
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
Acidic, Neutral
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Early Spring
Late Spring, Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
-
Where to Plant?
Ground
Container, Ground
How to Plant?
Grafting, Stem Cutting
Root Division, Transplanting
Plant Maintenance
High
Low
Watering Plants
Watering Requirements
Keep the ground moist but not water-logged
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
Soil pH
Acidic, Neutral
Acidic, Neutral
Soil Type
Clay, Loam, Sand
Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Pruning
prune to control shape, Remove damaged leaves, Remove dead branches, Remove dead leaves
Cut or pinch the stems, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer, slow-release fertilizers
14-14-14 Fertilizer, All-Purpose Liquid Fertilizer, can go long without fertilizers
Pests and Diseases
Aphids, Bacterial leaf spot, Borers, Caterpillars, Scale insects, Spider mites
Aphids, Stem spot
Plant Tolerance
Drought
Shallow soil, Sun
Flowers
Showy
Showy
Flower Petal Number
Double
Single
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Medium
Medium
Foliage Sheen
Glossy
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Aphids, Birds
Ants, Butterflies, pollinators
Allergy
-
Antibacterial, Peripheral Edema
Uses
Aesthetic Uses
along a porch, deck or patio, Beautification, Cottage Garden, Wild gardens
Cottage Garden, Showy Purposes
Beauty Benefits
-
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification, Fixes Nitrogen
Plant Benefits
Medicinal Uses
anti viral, Anti-oxidant
Asthma, Diarrhea, Obesity, Osteoarthritis
Part of Plant Used
Bark
Leaves, Twigs
Other Uses
Grown for shade, Traditional medicine, Used for fragrance
Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees, Street Trees
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Botanical Name
PRUNUS serrulata 'Kwanzan'
Symphytum asperum
Common Name
Kwanzan Cherry
Comfrey,Black Root, Blackwort, Bruisewort
In Hindi
Kwanzan Cherry
Blackwort
In German
Kwanzan Cherry
Blackwort
In French
Kwanzan Cherry
Blackwort
In Spanish
Kwanzan Cherry
Blackwort
In Greek
Kwanzan Cherry
Blackwort
In Portuguese
Árvore de cereja
Blackwort
In Polish
Wiśnia drzewa
Blackwort
In Latin
Kwanzan Cherry
Blackwort
Kingdom
Plantae
Plantae
Phylum
Angiosperms
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Rosales
Lamiales
Family
Rosaceae
Boraginaceae
Genus
Prunus
Symphytum
Clade
Eudicots
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
-
Boraginoideae
Number of Species
1135
1
27800
👆🏻