Life Span
Perennial
Perennial
Type
Broadleaf Evergreen
Broadleaf Evergreen
Origin
Europe, Russia
Asia, Nepal, China, Japan, Korea
Types
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Apricot Gold, Butter Yellow, Orange Supreme, Dan
Number of Varieties
230
0
40000
👆🏻
Habitat
Cold Regions, stream banks
Dappled Shade, Woodland Garden Canopy
USDA Hardiness Zone
6-116-11
0
99
👆🏻
AHS Heat Zone
-
12 - 8
Sunset Zone
21,22
21,22
Habit
Upright/Erect
Upright/Erect
Plant Size
Minimum Height
20.00 cm30.00 cm
0
3900
👆🏻
Minimum Width
90.00 cm180.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Light Pink
White, Orange
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Orange Red
Blue, Black
Leaf Color in Spring
Red, Green, Copper
Green, Dark Green
Leaf Color in Summer
Green, Blue Green
Dark Green
Leaf Color in Fall
Green, Blue Green
Dark Green
Leaf Color in Winter
Red, Dark Green, Burgundy, Bronze
Dark Green
Shape
Leaf Shape
Oval
Oval, Finely Dentate
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
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
Spring, Late Spring, Early Fall, Fall
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
-
Where to Plant?
Container, Ground
Container, Ground, Pot
How to Plant?
Root Division, Transplanting
Semi-hardwood cuttings
Plant Maintenance
Low
Medium
Watering Plants
Watering Requirements
Allow to dry out slightly between watering, Water daily during growing season
Average Water Needs
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 no more than one-third of each branch
Fertilizers
14-14-14 Fertilizer, All-Purpose Liquid Fertilizer, can go long without fertilizers
All-purpose dry fertilizer
Pests and Diseases
Aphids, Stem spot
-
Plant Tolerance
Shallow soil, Sun
Drought
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
Medium
Foliage Sheen
Glossy
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Ants, Butterflies, pollinators
Nematodes
Allergy
Antibacterial, Peripheral Edema
-
Uses
Aesthetic Uses
Cottage Garden, Showy Purposes
Beautification, 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
Plant Benefits
Medicinal Uses
Asthma, Diarrhea, Obesity, Osteoarthritis
Antitussive
Part of Plant Used
Leaves, Twigs
Bark, Flowers, Fruits, Stem
Other Uses
Used for its medicinal properties
Used as essential oil, Used as insect repellent, Used in herbal medicines, Used in tea, wine and sweet dishes
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Container, Feature Plant, Hedges, Houseplant, Mixed Border, Screening, Wind Break, Topiary, Bonsai, Espalier
Botanical Name
Symphytum asperum
OSMANTHUS fragrans
Common Name
Comfrey,Black Root, Blackwort, Bruisewort
Sweet olive, Sweet osmanthus, Tea olive
In Hindi
Blackwort
Sweet Olive
In German
Blackwort
Sweet Olive
In French
Blackwort
Olive douce
In Spanish
Blackwort
Oliva dulce
In Greek
Blackwort
γλυκό Ελιά
In Portuguese
Blackwort
Olive doce
In Polish
Blackwort
słodki Olive
In Latin
Blackwort
Dulce Olive
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Lamiales
Scrophulariales
Family
Boraginaceae
Oleaceae
Genus
Symphytum
Osmanthus
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Tribe
-
Oleeae
Subfamily
Boraginoideae
-
Number of Species
3515
1
27800
👆🏻