Life Span
Perennial
Perennial
Type
Broadleaf Evergreen
Flowering Plants, Shrubs
Origin
Europe, Russia
Europe, Northern America
Types
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Persian lilac, Dwarf Korean lilac, Tree lilacs, Chinese lilac, Himalayan lilac
Number of Varieties
21000
0
40000
👆🏻
Habitat
Cold Regions, stream banks
Roadsides, Rocky areas, Thickets
USDA Hardiness Zone
6-113-7
0
99
👆🏻
AHS Heat Zone
-
8-1
Sunset Zone
21,22
A1, A2, A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14
Habit
Upright/Erect
Upright/Erect
Plant Size
Minimum Height
20.00 cm10.00 cm
0
3900
👆🏻
Minimum Width
90.00 cm9.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Light Pink
Blue, Pink, Purple, Red, White, Yellow
Flower Color Modifier
Bicolor
-
Fruit Color
Orange Red
Brown
Leaf Color in Spring
Red, Green, Copper
Dark Green
Leaf Color in Summer
Green, Blue Green
Green
Leaf Color in Fall
Green, Blue Green
Green, Lemon yellow, Sandy Brown
Leaf Color in Winter
Red, Dark Green, Burgundy, Bronze
-
Shape
Leaf Shape
Oval
Heart-shaped
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial shade
Growth Rate
Medium
Medium
Type of Soil
Loam, Sand
Loamy, Sandy
The pH of Soil
Acidic, Neutral
Acidic, Alkaline, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer, Summer
Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
-
Where to Plant?
Container, Ground
Ground, Pot
How to Plant?
Root Division, Transplanting
Grafting, Seedlings, Stem Planting, Transplanting
Plant Maintenance
Low
Medium
Watering Plants
Watering Requirements
Allow to dry out slightly between watering, Water daily during growing season
Keep the ground moist but not water-logged, Over-watering can cause leaf problems or root diseases, Prefer drip-irrigation instead of Over-head watering, Requires a lot of watering, Water twice a day in the initial period, Water when soil is dry
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral
Acidic, Alkaline, Neutral
Soil Type
Loam, Sand
Loamy, Sandy
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial shade
Pruning
Cut or pinch the stems, Remove dead leaves
Prune after flowering, Prune prior to new growth, 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
Powdery mildew, Slugs, Snails
Plant Tolerance
Shallow soil, Sun
Drought
Flowers
✔
✘
✔
✘
Flower Petal Number
Single
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
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Ants, Butterflies, pollinators
Butterflies, Hummingbirds
Allergy
Antibacterial, Peripheral Edema
Eye irritation, Itchy eyes, Runny nose
Uses
Aesthetic Uses
Cottage Garden, Showy Purposes
Beautification, Bouquets, Showy Purposes, Used for decorating walls, fences, gates, hedges, etc.
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
Fever, Treat Parasitic Intestinal Worms
Part of Plant Used
Leaves, Twigs
Flowers
Other Uses
Used for its medicinal properties
Air freshner, Oil is used for aromatherapy, Oil is used in perfume, soaps, creams, etc., Used As Food, Used as Ornamental plant, Used for fragrance
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Cutflower, Edging, Mixed Border, Topiary / Bonsai / Espalier
Botanical Name
Symphytum asperum
Syringa
Common Name
Comfrey,Black Root, Blackwort, Bruisewort
Lilac
In Hindi
Blackwort
बकाइन
In German
Blackwort
Flieder
In French
Blackwort
lilas
In Spanish
Blackwort
lila
In Greek
Blackwort
πασχαλιά
In Portuguese
Blackwort
lilás
In Polish
Blackwort
liliowy
In Latin
Blackwort
lilac
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Lamiales
Lamiales
Family
Boraginaceae
Oleaceae
Genus
Symphytum
Syringa
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Tribe
-
Oleeae
Subfamily
Boraginoideae
-
Number of Species
3512
1
27800
👆🏻