Life Span
Perennial
Annual and Perennial
Type
Broadleaf Evergreen
Broadleaf Evergreen
Origin
Europe, Russia
North America, Europe, Asia
Types
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Andromeda polifolia var. polifolia, Andromeda polifolia var. glaucophylla
Number of Varieties
22
0
40000
👆🏻
Habitat
Cold Regions, stream banks
Bog Garden, Fens, Swamps
USDA Hardiness Zone
6-112-6
0
99
👆🏻
AHS Heat Zone
-
-
Sunset Zone
21,22
-
Habit
Upright/Erect
Cushion/Mound-forming
Plant Size
Minimum Height
20.00 cm33.00 cm
0
3900
👆🏻
Minimum Width
90.00 cm46.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Light Pink
White, Pink, Light Pink
Flower Color Modifier
Bicolor
-
Fruit Color
Orange Red
-
Leaf Color in Spring
Red, Green, Copper
Gray Green
Leaf Color in Summer
Green, Blue Green
Gray Green
Leaf Color in Fall
Green, Blue Green
Gray Green
Leaf Color in Winter
Red, Dark Green, Burgundy, Bronze
Gray Green
Shape
Leaf Shape
Oval
Long Linear
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
Medium
Slow
Type of Soil
Loam, Sand
Loam
The pH of Soil
Acidic, Neutral
Acidic
Soil Drainage
Well drained
Average
Bloom Time
Late Spring, Early Summer, Summer
Late Spring, Early Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
-
Where to Plant?
Container, Ground
Container, 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
Do not let dry out between waterings, Keep ground moist
In Summer
Lots of watering
Average Water, Ample Water
In Spring
Moderate
Ample Water
In Winter
Average Water
Not so frequently
Soil
Soil pH
Acidic, Neutral
Acidic
Soil Type
Loam, Sand
Loam
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade
Pruning
Cut or pinch the stems, Remove dead leaves
Prune for size control, Remove short twigs
Fertilizers
14-14-14 Fertilizer, All-Purpose Liquid Fertilizer, can go long without fertilizers
fertilize in spring
Pests and Diseases
Aphids, Stem spot
-
Plant Tolerance
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
Medium
Fine
Foliage Sheen
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Ants, Butterflies, pollinators
pollinators
Allergy
Antibacterial, Peripheral Edema
-
Uses
Aesthetic Uses
Cottage Garden, Showy Purposes
Showy Purposes
Beauty Benefits
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Fixes Nitrogen
-
Plant Benefits
Medicinal Uses
Asthma, Diarrhea, Obesity, Osteoarthritis
-
Part of Plant Used
Leaves, Twigs
Flowers
Other Uses
Used for its medicinal properties
As a tea substitute
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Bog Garden, Container, Mixed Border, Rock Garden, Wall
Botanical Name
Symphytum asperum
ANDROMEDA polifolia
Common Name
Comfrey,Black Root, Blackwort, Bruisewort
Bog Rosemary
In Hindi
Blackwort
Bog Rosemary
In German
Blackwort
Rosmarinheide
In French
Blackwort
Andromeda polifolia
In Spanish
Blackwort
Andromeda polifolia
In Greek
Blackwort
Bog Rosemary
In Portuguese
Blackwort
Bog Rosemary
In Polish
Blackwort
Modrzewnica zwyczajna
In Latin
Blackwort
Bog Rosemary
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Lamiales
Ericales
Family
Boraginaceae
Ericaceae
Genus
Symphytum
Andromeda
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Tribe
-
-
Subfamily
Boraginoideae
Vaccinioideae
Number of Species
352
1
27800
👆🏻