Life Span
Perennial
Biennial
Type
Broadleaf Evergreen
Vegetable
Origin
Europe, Russia
Southern Europe, Western Europe, Mediterranean
Types
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Brassica oleracea var. sabauda
Number of Varieties
27
0
40000
👆🏻
Habitat
Cold Regions, stream banks
Cultivated Beds, Moist Soils
USDA Hardiness Zone
6-116-8
0
99
👆🏻
AHS Heat Zone
-
6-1
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 cm25.40 cm
0
3900
👆🏻
Minimum Width
90.00 cm30.50 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Light Pink
Light Purple, Yellow
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Orange Red
-
Leaf Color in Spring
Red, Green, Copper
Green, Dark Green
Leaf Color in Summer
Green, Blue Green
Light Green, Blue Green
Leaf Color in Fall
Green, Blue Green
Light Green, Blue Green
Leaf Color in Winter
Red, Dark Green, Burgundy, Bronze
Light Green, Blue Green
Shape
Leaf Shape
Oval
Ovate elongated
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Growth Rate
Medium
Fast
Type of Soil
Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer, Summer
Spring, Late Spring, Early Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought
Where to Plant?
Container, Ground
Container, Ground
How to Plant?
Root Division, Transplanting
Cuttings, Seedlings
Plant Maintenance
Low
Medium
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
Soil Type
Loam, Sand
Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial 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
Pests and Diseases
Aphids, Stem spot
Bacterial leaf spot, Bacterial soft rot, Beet armyworm, Cabbage looper, Cabbageworm, Flea Beetles, Fungal leaf spots
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
Bold
Foliage Sheen
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Ants, Butterflies, pollinators
Bugs, Rabbits
Allergy
Antibacterial, Peripheral Edema
Nausea
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
Nutrients
Part of Plant Used
Leaves, Twigs
Whole plant
Other Uses
Used for its medicinal properties
Used in chopped mixed salad, Used in curries, soups, stews
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Bedding Plant, Container, Edible, Herb / Vegetable
Botanical Name
Symphytum asperum
Brassica oleracea
Common Name
Comfrey,Black Root, Blackwort, Bruisewort
Alcosa Cabbaga, Savoy Cabbage
In Hindi
Blackwort
Savoy Cabbage
In German
Blackwort
Wirsing
In French
Blackwort
Savoy Cabbage
In Spanish
Blackwort
col de col rizada
In Greek
Blackwort
Savoy Cabbage
In Portuguese
Blackwort
Savoy Cabbage
In Polish
Blackwort
Kapusta włoska
In Latin
Blackwort
Brassica Sabaudiae
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Embryophyta
Class
Magnoliopsida
Eudicotyledones
Order
Lamiales
Brassicales
Family
Boraginaceae
Brassicaceae
Genus
Symphytum
Brassica
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
Boraginoideae
-
Number of Species
351
1
27800
👆🏻