Life Span
Perennial
Perennial
Type
Tree
Broadleaf Evergreen
Origin
China, Japan, Korea
Europe, Russia
Types
jiujiangense, horizontale
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Number of Varieties
62
0
40000
👆🏻
Habitat
Cold Regions
Cold Regions, stream banks
USDA Hardiness Zone
5-96-11
0
99
👆🏻
AHS Heat Zone
9-5
-
Sunset Zone
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 20, 21
21,22
Habit
Upright/Erect
Upright/Erect
Plant Size
Minimum Height
610.00 cm20.00 cm
0
3900
👆🏻
Minimum Width
610.00 cm90.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Light Yellow, Yellow green
White, Light Pink
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Red, Green, Yellow green
Orange Red
Leaf Color in Spring
Dark Green
Red, Green, Copper
Leaf Color in Summer
Dark Green
Green, Blue Green
Leaf Color in Fall
Yellow, Red, Orange
Green, Blue Green
Leaf Color in Winter
-
Red, Dark Green, Burgundy, Bronze
Shape
Leaf Shape
Maple shaped
Oval
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade
Growth Rate
Slow
Medium
Type of Soil
Clay, Loam
Loam, Sand
The pH of Soil
Acidic
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Spring
Late Spring, Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Pollution, Drought, Soil Compaction
-
Where to Plant?
Ground
Container, Ground
How to Plant?
Seedlings, Stem Cutting
Root Division, Transplanting
Plant Maintenance
Medium
Low
Watering Plants
Watering Requirements
Average Water Needs, Do Not over Water
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
Acidic, Neutral
Soil Type
Clay, Loam
Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade
Pruning
Prune every year, Remove damaged leaves, Remove dead branches, Remove dead leaves
Cut or pinch the stems, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
14-14-14 Fertilizer, All-Purpose Liquid Fertilizer, can go long without fertilizers
Pests and Diseases
Caterpillars
Aphids, Stem spot
Plant Tolerance
Drought, Dry soil
Shallow soil, Sun
Flowers
Insignificant
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
Medium
Medium
Foliage Sheen
Glossy
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
-
Ants, Butterflies, pollinators
Allergy
allergic reaction
Antibacterial, Peripheral Edema
Uses
Aesthetic Uses
Beautification, Bonsai, Showy Purposes
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
-
Asthma, Diarrhea, Obesity, Osteoarthritis
Part of Plant Used
-
Leaves, Twigs
Other Uses
Showy Purposes
Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Feature Plant, Screening / Wind Break, Shade Trees, Street Trees, Topiary / Bonsai / Espalier
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Botanical Name
ACER buergerianum
Symphytum asperum
Common Name
Trident Maple
Comfrey,Black Root, Blackwort, Bruisewort
In Hindi
ट्राइडेंट मेपल
Blackwort
In German
Trident-Ahorn
Blackwort
In French
Trident Maple
Blackwort
In Spanish
arce de Trident
Blackwort
In Greek
Trident Maple
Blackwort
In Portuguese
bordo Trident
Blackwort
In Polish
Trident klon
Blackwort
In Latin
Trident Maple
Blackwort
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Sapindales
Lamiales
Family
Aceraceae
Boraginaceae
Genus
Acer
Symphytum
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
Hippocastanoideae
Boraginoideae
Number of Species
16035
1
27800
👆🏻