Life Span
Perennial
Perennial
Type
Tree
Broadleaf Evergreen
Origin
North America
Europe, Russia
Types
Populus tremuloides
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Number of Varieties
42
0
40000
👆🏻
Habitat
Forest margins, gardens, Roadsides, Woodlands
Cold Regions, stream banks
USDA Hardiness Zone
1-86-11
0
99
👆🏻
AHS Heat Zone
8-1
-
Sunset Zone
A1, A2, A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 14, 15, 16, 17, 18, 19
21,22
Habit
Upright/Erect
Upright/Erect
Plant Size
Minimum Height
1,220.00 cm20.00 cm
0
3900
👆🏻
Minimum Width
610.00 cm90.00 cm
0
6350
👆🏻
Plant Color
Flower Color
-
White, Light Pink
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown
Orange Red
Leaf Color in Spring
Blue Green, Dark Green
Red, Green, Copper
Leaf Color in Summer
Blue Green, Dark Green
Green, Blue Green
Leaf Color in Fall
Yellow, Blue Green
Green, Blue Green
Leaf Color in Winter
-
Red, Dark Green, Burgundy, Bronze
Shape
Leaf Shape
Heart-shaped
Oval
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Fast
Medium
Type of Soil
Clay, Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral
Soil Drainage
Average
Well drained
Bloom Time
Spring
Late Spring, Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Salt
-
Where to Plant?
Ground
Container, Ground
How to Plant?
From Rhizomes
Root Division, Transplanting
Plant Maintenance
Medium
Low
Watering Plants
Watering Requirements
Prefer drip-irrigation instead of Over-head watering, Water more in summer
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
Average
Well drained
Sun Exposure
Full Sun
Full Sun, Partial Sun, Partial shade
Pruning
Prune to control growth, Remove deadheads, Shape and thin as needed
Cut or pinch the stems, Remove dead leaves
Fertilizers
20-20-20 amount, All-Purpose Liquid Fertilizer, Apply 10-10-10 amount
14-14-14 Fertilizer, All-Purpose Liquid Fertilizer, can go long without fertilizers
Pests and Diseases
Insects
Aphids, Stem spot
Plant Tolerance
Drought
Shallow soil, Sun
Flowers
Insignificant
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
Sometimes
Sometimes
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
-
Asthma, Diarrhea, Obesity, Osteoarthritis
Part of Plant Used
Bark, Pulp
Leaves, Twigs
Other Uses
Used in paper industry, Wood is used for making furniture, Wood is used in construction
Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Shade Trees
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Botanical Name
POPULUS tremuloides
Symphytum asperum
Common Name
Quaking Aspen
Comfrey,Black Root, Blackwort, Bruisewort
In Hindi
Quaking Aspen
Blackwort
In German
Zitterpappel
Blackwort
In French
tremble
Blackwort
In Spanish
Temblor Aspen
Blackwort
In Greek
τρεμώδεις Aspen
Blackwort
In Portuguese
Quaking Aspen
Blackwort
In Polish
Quaking Aspen
Blackwort
In Latin
Tremens Quisque
Blackwort
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Malpighiales
Lamiales
Family
Salicaceae
Boraginaceae
Genus
Populus
Symphytum
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Tribe
Saliceae
-
Subfamily
-
Boraginoideae
Number of Species
3535
1
27800
👆🏻