Life Span
Perennial
Perennial
Type
Tree
Broadleaf Evergreen
Origin
North America, United States, Mid-Atlantic United States, Southeastern United States, Central United States, South-Central United States
Europe, Russia
Types
Not Avaialble
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Number of Varieties
1002
0
40000
👆🏻
Habitat
Woodland Garden Secondary
Cold Regions, stream banks
USDA Hardiness Zone
5-86-11
0
99
👆🏻
AHS Heat Zone
8-5
-
Sunset Zone
4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21
21,22
Habit
Oval or Rounded
Upright/Erect
Plant Size
Minimum Height
910.00 cm20.00 cm
0
3900
👆🏻
Minimum Width
910.00 cm90.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White
White, Light Pink
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Rose
Orange Red
Leaf Color in Spring
Green, Light Green, Silver
Red, Green, Copper
Leaf Color in Summer
Dark Green, Silver
Green, Blue Green
Leaf Color in Fall
Yellow, Yellow green, Brown, Silver
Green, Blue Green
Leaf Color in Winter
-
Red, Dark Green, Burgundy, Bronze
Shape
Leaf Shape
Oblong
Oval
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Slow
Medium
Type of Soil
Clay, Loam
Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral
Soil Drainage
Average
Well drained
Bloom Time
Early Summer
Late Spring, Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
-
Where to Plant?
Ground
Container, Ground
How to Plant?
Seedlings
Root Division, Transplanting
Plant Maintenance
Medium
Low
Watering Plants
Watering Requirements
Needs watering once a 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
Clay, Loam
Loam, Sand
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun
Full Sun, Partial Sun, Partial shade
Pruning
Remove dead or diseased plant parts
Cut or pinch the stems, Remove dead leaves
Fertilizers
Balanced organic fertilizer
14-14-14 Fertilizer, All-Purpose Liquid Fertilizer, can go long without fertilizers
Pests and Diseases
Bacterial leaf spot, Canker, Powdery mildew, Spot anthracnose
Aphids, Stem spot
Plant Tolerance
Drought
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
Coarse
Medium
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Scale Insects, Snails
Ants, Butterflies, pollinators
Allergy
Mild Allergen
Antibacterial, Peripheral Edema
Uses
Aesthetic Uses
Formal Garden, 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
Odontalgic, Stomachic
Asthma, Diarrhea, Obesity, Osteoarthritis
Part of Plant Used
Bark
Leaves, Twigs
Other Uses
Used for flooring, cabinet making
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
MAGNOLIA macrophylla
Symphytum asperum
Common Name
Bigleaf Magnolia, Large-leaved Cucumber Tree, Umbrella Tree
Comfrey,Black Root, Blackwort, Bruisewort
In Hindi
मैगनोलिया
Blackwort
In German
Umbrella Tree
Blackwort
In French
Umbrella Tree
Blackwort
In Spanish
Árbol de paraguas
Blackwort
In Greek
Umbrella Tree
Blackwort
In Portuguese
Árvore de guarda-chuva
Blackwort
In Polish
Umbrella Tree
Blackwort
In Latin
O lignum
Blackwort
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Magnoliales
Lamiales
Family
Magnoliaceae
Boraginaceae
Genus
Magnolia
Symphytum
Clade
Angiosperms, Magnoliids
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
Magnolioideae
Boraginoideae
Number of Species
335
1
27800
👆🏻