Life Span
Perennial
Perennial
Type
Tree
Broadleaf Evergreen
Origin
Southeastern Asia, China
Europe, Russia
Types
Radermachera sinica
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Number of Varieties
172
0
40000
👆🏻
Habitat
Clay soil areas, Subtropical forests
Cold Regions, stream banks
USDA Hardiness Zone
10-116-11
0
99
👆🏻
AHS Heat Zone
10-8
-
Sunset Zone
H1, H2, 22, 23, 24
21,22
Habit
Spreading
Upright/Erect
Plant Size
Minimum Height
610.00 cm20.00 cm
0
3900
👆🏻
Minimum Width
490.00 cm90.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Gold
White, Light Pink
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Orange Red
Leaf Color in Spring
Green, Dark Green
Red, Green, Copper
Leaf Color in Summer
Dark Green
Green, Blue Green
Leaf Color in Fall
Dark Green
Green, Blue Green
Leaf Color in Winter
Dark Green
Red, Dark Green, Burgundy, Bronze
Shape
Leaf Shape
Heart-shaped
Oval
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade
Growth Rate
Fast
Medium
Type of Soil
Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Spring, Late Spring, Early Summer, Summer
Late Spring, Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
-
Where to Plant?
Ground
Container, Ground
How to Plant?
Seedlings, Spores, Stem Cutting
Root Division, Transplanting
Plant Maintenance
Medium
Low
Watering Plants
Watering Requirements
Allow to dry out slightly between watering, Needs 2-3 times watering per week
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
Loam, Sand
Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade
Pruning
Prune central stem, Remove damaged leaves, Remove dead branches, Remove dead leaves
Cut or pinch the stems, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer, fertilize in growing season
14-14-14 Fertilizer, All-Purpose Liquid Fertilizer, can go long without fertilizers
Pests and Diseases
Aphids, Black rot, Mildew, Root rot, Snails
Aphids, Stem spot
Plant Tolerance
Dry soil, Salt and Soil Compaction
Shallow soil, Sun
Flowers
Showy
Showy
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
Glossy
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Aphids, Leafminer, Mosquitos
Ants, Butterflies, pollinators
Allergy
Abdominal distension, Inflammation
Antibacterial, Peripheral Edema
Uses
Aesthetic Uses
Showy Purposes
Cottage Garden, Showy Purposes
Beauty Benefits
Glowing Skin, Hair Conditioner, Making cosmetics
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, soil stabilisation, Very little waste
Air purification, Fixes Nitrogen
Plant Benefits
Medicinal Uses
Aging, Anti-fungal, Emmoiliant
Asthma, Diarrhea, Obesity, Osteoarthritis
Part of Plant Used
Leaves
Leaves, Twigs
Other Uses
Application in Handicrafts, Biomass for fuel
Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Feature Plant, Foundation, Houseplant, Mixed Border, Shade Trees, Street Trees, Tropical
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Botanical Name
RADERMACHERA sinica
Symphytum asperum
Common Name
China Doll
Comfrey,Black Root, Blackwort, Bruisewort
In Hindi
चीनी गुड़िया पेड़
Blackwort
In German
Zimmeresche
Blackwort
In French
china doll
Blackwort
In Spanish
china doll
Blackwort
In Greek
δέντρο κούκλα Κίνα
Blackwort
In Portuguese
china árvore boneca
Blackwort
In Polish
China Doll drzewo
Blackwort
In Latin
Sinis pupa ligno
Blackwort
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Lamiales
Lamiales
Family
Bignoniaceae
Boraginaceae
Genus
Radermachera
Symphytum
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
Tecomeae
-
Subfamily
-
Boraginoideae
Number of Species
1735
1
27800
👆🏻