Life Span
Perennial
Perennial
Type
Broadleaf Evergreen
Fruit
Origin
Europe, Russia
Western Europe
Types
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Pyrus amygdaliformis, Pyrus armeniacifolia, Pyrus bourgaeana
Number of Varieties
225
0
40000
👆🏻
Habitat
Cold Regions, stream banks
Dappled Shade, Sunny Edge, Woodland Garden Secondary
USDA Hardiness Zone
6-115-9
0
99
👆🏻
AHS Heat Zone
-
9-5
Sunset Zone
21,22
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18
Habit
Upright/Erect
Oval or Rounded
Plant Size
Minimum Height
20.00 cm101.60 cm
0
3900
👆🏻
Minimum Width
90.00 cm38.10 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Light Pink
-
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Orange Red
-
Leaf Color in Spring
Red, Green, Copper
-
Leaf Color in Summer
Green, Blue Green
-
Leaf Color in Fall
Green, Blue Green
-
Leaf Color in Winter
Red, Dark Green, Burgundy, Bronze
Light Green
Shape
Leaf Shape
Oval
Oblong
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Growth Rate
Medium
Slow
Type of Soil
Loam, Sand
Loam
The pH of Soil
Acidic, Neutral
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer, Summer
Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought
Where to Plant?
Container, Ground
Ground
How to Plant?
Root Division, Transplanting
Seedlings
Plant Maintenance
Low
Medium
Watering Plants
Watering Requirements
Allow to dry out slightly between watering, Water daily during growing season
Medium
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
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Pruning
Cut or pinch the stems, Remove dead leaves
Remove crossing or rubbing branches, Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts
Fertilizers
14-14-14 Fertilizer, All-Purpose Liquid Fertilizer, can go long without fertilizers
All-Purpose Liquid Fertilizer
Pests and Diseases
Aphids, Stem spot
Red blotch
Plant Tolerance
Shallow soil, Sun
Drought
Flowers
✔
✘
✔
✘
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
-
Foliage Sheen
Glossy
-
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Ants, Butterflies, pollinators
Birds
Allergy
Antibacterial, Peripheral Edema
Itchiness, Mouth itching, Pollen, Sore Throat
Uses
Aesthetic Uses
Cottage Garden, Showy Purposes
-
Beauty Benefits
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
Good for skin and hair
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Fixes Nitrogen
Air purification, Nesting sites for birds, Shadow Tree, Windbreak
Plant Benefits
Medicinal Uses
Asthma, Diarrhea, Obesity, Osteoarthritis
Analgesic, Diuretic, Heart problems, High cholestrol, Stomach pain, Weight loss
Part of Plant Used
Leaves, Twigs
Fruits, Wood
Other Uses
Used for its medicinal properties
Used as a dye, Used for woodware
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Feature Plant, Fruit / Fruit Tree
Botanical Name
Symphytum asperum
PYRUS 'Bosc'
Common Name
Comfrey,Black Root, Blackwort, Bruisewort
Bosc Pear, Pear
In Hindi
Blackwort
Bosc Pear Tree
In German
Blackwort
Bosc Pear Tree
In French
Blackwort
Bosc Pear Tree
In Spanish
Blackwort
Bosc Pear Tree
In Greek
Blackwort
Bosc Pear Tree
In Portuguese
Blackwort
Bosc Pear Tree
In Polish
Blackwort
Bosc Pear Tree
In Latin
Blackwort
Orbis Bosc ligno
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Lamiales
Rosales
Family
Boraginaceae
Rosaceae
Genus
Symphytum
Pyrus
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Tribe
-
Maleae
Subfamily
Boraginoideae
Amygdaloideae
Number of Species
3524
1
27800
👆🏻