Life Span
Annual
Perennial
Type
Tree
Broadleaf Evergreen
Origin
North America, Northeastern United States, North-Central United States, Alaska, Canada
Europe, Russia
Types
Ornamental Tree
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Number of Varieties
302
0
40000
👆🏻
Habitat
Slopes, Swamps
Cold Regions, stream banks
USDA Hardiness Zone
2-76-11
0
99
👆🏻
AHS Heat Zone
7-1
-
Sunset Zone
A1, A2, A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6
21,22
Habit
Oval or Rounded
Upright/Erect
Plant Size
Minimum Height
1,520.00 cm20.00 cm
0
3900
👆🏻
Minimum Width
760.00 cm90.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow
White, Light Pink
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Black
Orange Red
Leaf Color in Spring
Light Green
Red, Green, Copper
Leaf Color in Summer
Dark Green
Green, Blue Green
Leaf Color in Fall
Light Yellow, Gold
Green, Blue Green
Leaf Color in Winter
-
Red, Dark Green, Burgundy, Bronze
Shape
Leaf Shape
Egg-shaped
Oval
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Medium
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
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
-
Where to Plant?
Ground
Container, Ground
How to Plant?
Stem Planting
Root Division, Transplanting
Plant Maintenance
Medium
Low
Watering Plants
Watering Requirements
Requires regular watering
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
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Pruning
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
Red blotch
Aphids, Stem spot
Plant Tolerance
Drought
Shallow soil, Sun
Flowers
Showy
Showy
Flower Petal Number
-
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
-
Antibacterial, Peripheral Edema
Uses
Aesthetic Uses
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
Cold, Cough, Gout, Laxative, Rheumatism, Wounds
Asthma, Diarrhea, Obesity, Osteoarthritis
Part of Plant Used
Leaves, Wood
Leaves, Twigs
Other Uses
Animal Feed, Sometimes used for making wine
Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Botanical Name
BETULA papyrifera
Symphytum asperum
Common Name
Paper Birch
Comfrey,Black Root, Blackwort, Bruisewort
In Hindi
Paper birch
Blackwort
In German
Papierbirke
Blackwort
In French
Le bouleau à papier
Blackwort
In Spanish
abedul de papel
Blackwort
In Greek
σημύδα χαρτί
Blackwort
In Portuguese
vidoeiro de papel
Blackwort
In Polish
brzoza papieru
Blackwort
In Latin
Paper betula
Blackwort
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Lamiales
Family
Betulaceae
Boraginaceae
Genus
Betula
Symphytum
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
-
Boraginoideae
Number of Species
6035
1
27800
👆🏻