Life Span
Perennial
Perennial
Type
Broadleaf Evergreen
Shrub
Origin
Europe, Russia
-
Types
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Calycanthus floridus floridus, Calycanthus floridus glaucus
Number of Varieties
22
0
40000
👆🏻
Habitat
Cold Regions, stream banks
shaded woods, Woodlands
USDA Hardiness Zone
6-115-8
0
99
👆🏻
AHS Heat Zone
-
9-4
Sunset Zone
21,22
3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 20, 21, 22
Habit
Upright/Erect
Spreading
Plant Size
Minimum Height
20.00 cm180.00 cm
0
3900
👆🏻
Minimum Width
90.00 cm240.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Light Pink
White, Light Yellow, Violet
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Orange Red
Green
Leaf Color in Spring
Red, Green, Copper
Green
Leaf Color in Summer
Green, Blue Green
Green, Dark Green
Leaf Color in Fall
Green, Blue Green
Yellow, Light Yellow, Gold
Leaf Color in Winter
Red, Dark Green, Burgundy, Bronze
-
Shape
Leaf Shape
Oval
Lobed
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade
Growth Rate
Medium
Medium
Type of Soil
Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer, Summer
Late Spring, Early Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought, Shade areas
Where to Plant?
Container, Ground
Ground
How to Plant?
Root Division, Transplanting
Cuttings, Divison, Seedlings, Suckers
Plant Maintenance
Low
Low
Watering Plants
Watering Requirements
Allow to dry out slightly between watering, Water daily during growing season
Requires regular watering
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
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade
Pruning
Cut or pinch the stems, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead flowers, Remove dead leaves
Fertilizers
14-14-14 Fertilizer, All-Purpose Liquid Fertilizer, can go long without fertilizers
All-Purpose Liquid Fertilizer
Pests and Diseases
Aphids, Stem spot
Bacterial Gall, Powdery mildew
Plant Tolerance
Shallow soil, Sun
Drought, Shade areas
Flowers
Showy
Showy
Flower Petal Number
Single
Semi-Double
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
Birds, Insects
Allergy
Antibacterial, Peripheral Edema
Toxic if not prepared properly
Uses
Aesthetic Uses
Cottage Garden, Showy Purposes
Beautification, Cottage Garden
Beauty Benefits
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Fixes Nitrogen
Air purification
Plant Benefits
Medicinal Uses
Asthma, Diarrhea, Obesity, Osteoarthritis
Antispasmodic, Cardiac, Disinfectant, Diuretic
Part of Plant Used
Leaves, Twigs
Bark, Root
Other Uses
Used for its medicinal properties
Culinary use, Disinfectant, Repellent
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Feature Plant, Foundation, Mixed Border, Screening, Wind Break
Botanical Name
Symphytum asperum
Calycanthus floridus
Common Name
Comfrey,Black Root, Blackwort, Bruisewort
Sweetshrub
In Hindi
Blackwort
sweetshrub
In German
Blackwort
sweetshrub
In French
Blackwort
sweetshrub
In Spanish
Blackwort
sweetshrub
In Greek
Blackwort
sweetshrub
In Portuguese
Blackwort
sweetshrub
In Polish
Blackwort
sweetshrub
In Latin
Blackwort
sweetshrub
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Lamiales
Laurales
Family
Boraginaceae
Calycanthaceae
Genus
Symphytum
Calycanthus
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Magnoliids
Tribe
-
-
Subfamily
Boraginoideae
-
Number of Species
354
1
27800
👆🏻