Life Span
Biennial
Perennial
Type
Vegetable
Broadleaf Evergreen
Origin
Southern Europe, Western Europe, Mediterranean
Europe, Russia
Types
Brassica oleracea var. sabauda
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Number of Varieties
72
0
40000
👆🏻
Habitat
Cultivated Beds, Moist Soils
Cold Regions, stream banks
USDA Hardiness Zone
6-86-11
0
99
👆🏻
AHS Heat Zone
6-1
-
Sunset Zone
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
21,22
Habit
Rosette/Stemless
Upright/Erect
Plant Size
Minimum Height
25.40 cm20.00 cm
0
3900
👆🏻
Minimum Width
30.50 cm90.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Light Purple, Yellow
White, Light Pink
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Orange Red
Leaf Color in Spring
Green, Dark Green
Red, Green, Copper
Leaf Color in Summer
Light Green, Blue Green
Green, Blue Green
Leaf Color in Fall
Light Green, Blue Green
Green, Blue Green
Leaf Color in Winter
Light Green, Blue Green
Red, Dark Green, Burgundy, Bronze
Shape
Leaf Shape
Ovate elongated
Oval
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Fast
Medium
Type of Soil
Loam, Sand
Loam, Sand
The pH of Soil
Acidic
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Spring, Late Spring, Early Summer
Late Spring, Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
-
Where to Plant?
Container, Ground
Container, Ground
How to Plant?
Cuttings, Seedlings
Root Division, Transplanting
Plant Maintenance
Medium
Low
Watering Plants
Watering Requirements
Requires regular watering
Allow to dry out slightly between watering, Water daily during growing season
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic
Acidic, Neutral
Soil Type
Loam, Sand
Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Cut or pinch the stems, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
14-14-14 Fertilizer, All-Purpose Liquid Fertilizer, can go long without fertilizers
Pests and Diseases
Bacterial leaf spot, Bacterial soft rot, Beet armyworm, Cabbage looper, Cabbageworm, Flea Beetles, Fungal leaf spots
Aphids, Stem spot
Plant Tolerance
Drought
Shallow soil, Sun
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
Bold
Medium
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Bugs, Rabbits
Ants, Butterflies, pollinators
Allergy
Nausea
Antibacterial, Peripheral Edema
Uses
Aesthetic Uses
-
Cottage Garden, Showy Purposes
Beauty Benefits
-
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification, Fixes Nitrogen
Plant Benefits
Medicinal Uses
Nutrients
Asthma, Diarrhea, Obesity, Osteoarthritis
Part of Plant Used
Whole plant
Leaves, Twigs
Other Uses
Used in chopped mixed salad, Used in curries, soups, stews
Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bedding Plant, Container, Edible, Herb / Vegetable
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Botanical Name
Brassica oleracea
Symphytum asperum
Common Name
Alcosa Cabbaga, Savoy Cabbage
Comfrey,Black Root, Blackwort, Bruisewort
In Hindi
Savoy Cabbage
Blackwort
In German
Wirsing
Blackwort
In French
Savoy Cabbage
Blackwort
In Spanish
col de col rizada
Blackwort
In Greek
Savoy Cabbage
Blackwort
In Portuguese
Savoy Cabbage
Blackwort
In Polish
Kapusta włoska
Blackwort
In Latin
Brassica Sabaudiae
Blackwort
Kingdom
Plantae
Plantae
Phylum
Embryophyta
Magnoliophyta
Class
Eudicotyledones
Magnoliopsida
Order
Brassicales
Lamiales
Family
Brassicaceae
Boraginaceae
Genus
Brassica
Symphytum
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
-
Boraginoideae
Number of Species
135
1
27800
👆🏻