Life Span
Perennial
Biennial
Type
Broadleaf Evergreen
Vegetable
Origin
Europe, Russia
-
Types
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Argentine canola
annua – annual rape and summer rape
swede rape
pabularia – Hanover-salad
Number of Varieties
23
0
40000
👆🏻
Habitat
Cold Regions, stream banks
-
USDA Hardiness Zone
6-116-9
0
99
👆🏻
AHS Heat Zone
-
9-3
Sunset Zone
21,22
A1, A2, A3, H1, H2, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Upright/Erect
Rosette/Stemless
Plant Size
Minimum Height
20.00 cm30.00 cm
0
3900
👆🏻
Minimum Width
90.00 cm30.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Light Pink
Yellow, Light Yellow
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Orange Red
Tan, Brown
Leaf Color in Spring
Red, Green, Copper
Black, Green, Green, Dark Green
Leaf Color in Summer
Green, Blue Green
Green, Blue Green
Leaf Color in Fall
Green, Blue Green
Green, Blue Green
Leaf Color in Winter
Red, Dark Green, Burgundy, Bronze
Green, Blue Green
Shape
Leaf Shape
Oval
Ovate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun
Growth Rate
Medium
Medium
Type of Soil
Loam, Sand
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 Summer, Summer
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
Water frequently while growing, Water slowly, and allow to dry completely between soakings
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, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun
Pruning
Cut or pinch the stems, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
14-14-14 Fertilizer, All-Purpose Liquid Fertilizer, can go long without fertilizers
All-Purpose Liquid Fertilizer, Apply N-P-K
Pests and Diseases
Aphids, Stem spot
Blackleg, Clubroot, Flea Beetles, Grasshoppers, Lygus bugs, Red blotch, Slugs, Snails, Verticillium Wilt, white rust
Plant Tolerance
Shallow soil, Sun
Drought, Humidity, Shade areas
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
Coarse
Foliage Sheen
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Ants, Butterflies, pollinators
Flea beetles, Moths, Snails
Allergy
Antibacterial, Peripheral Edema
Asthma, Mild Allergen, Toxic
Uses
Aesthetic Uses
Cottage Garden, Showy Purposes
-
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
Diuretic, Emollient
Part of Plant Used
Leaves, Twigs
Leaves, Root
Other Uses
Used for its medicinal properties
-
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Edible, Herb / Vegetable, Mixed Border
Botanical Name
Symphytum asperum
BRASSICA napus var. napobrassica
Common Name
Comfrey,Black Root, Blackwort, Bruisewort
Rutabaga, Swede , Swedish Turnip
In Hindi
Blackwort
शलजम
In German
Blackwort
Steckrübe
In French
Blackwort
rutabaga
In Spanish
Blackwort
nabo sueco
In Greek
Blackwort
μέγα γογγύλιον
In Portuguese
Blackwort
Rotavaga
In Polish
Blackwort
Rotavaga
In Latin
Blackwort
Rotavaga
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Tracheophyta
Class
Magnoliopsida
Magnoliopsida
Order
Lamiales
Brassicales
Family
Boraginaceae
Brassicaceae
Genus
Symphytum
Brassica
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
Boraginoideae
-
Number of Species
35-
1
27800
👆🏻