Life Span
Perennial
Perennial
Type
Broadleaf Evergreen
Flowering Plants
Origin
Europe, Russia
Europe, Mediterranean
Types
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Kablouna Gold, Fiesta Gitana, Art Shades
Number of Varieties
230
0
40000
👆🏻
Habitat
Cold Regions, stream banks
gardens, Roadsides, Waste areas, wastelands
USDA Hardiness Zone
6-113-9
0
99
👆🏻
AHS Heat Zone
-
6 - 1
Sunset Zone
21,22
A2, A3, H1, 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
Clump-Forming
Plant Size
Minimum Height
20.00 cm80.00 cm
0
3900
👆🏻
Minimum Width
90.00 cm91.44 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Light Pink
Yellow, Orange, Bronze, Ivory
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Orange Red
Green, Tan
Leaf Color in Spring
Red, Green, Copper
Green
Leaf Color in Summer
Green, Blue Green
Green
Leaf Color in Fall
Green, Blue Green
Green
Leaf Color in Winter
Red, Dark Green, Burgundy, Bronze
Light Green
Shape
Leaf Shape
Oval
Oblong-lanceolate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Early Autumn, Spring, Summer
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial shade, Partial Sun
Growth Rate
Medium
Fast
Type of Soil
Loam, Sand
Well drained
The pH of Soil
Acidic, Neutral
Acidic, Alkaline, Neutral
Soil Drainage
Well drained
Average
Bloom Time
Late Spring, Early Summer, Summer
Early Winter
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought
Where to Plant?
Container, Ground
Ground, Pot
How to Plant?
Root Division, Transplanting
Seedlings, Transplanting
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, Alkaline, Neutral
Soil Type
Loam, Sand
Moist, Well drained
Soil Drainage Capacity
Well drained
-
Sun Exposure
Full Sun, Partial Sun, Partial shade
Partial shade
Pruning
Cut or pinch the stems, Remove dead leaves
Cut or pinch the stems, 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
Red blotch
Plant Tolerance
Shallow soil, Sun
Drought
Flowers
✔
✘
✔
✘
Flower Petal Number
Single
Double, Semi-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
Beetles, Butterflies, Flying insects
Allergy
Antibacterial, Peripheral Edema
Dizziness, Itchiness, Nausea, Skin rash, Swelling
Uses
Aesthetic Uses
Cottage Garden, Showy Purposes
Showy Purposes
Beauty Benefits
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
Good for skin and hair, Skin cleanser, Skin Problems, used as a dye
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Fixes Nitrogen
Air purification
Plant Benefits
Medicinal Uses
Asthma, Diarrhea, Obesity, Osteoarthritis
Curing mumps and measles, Cuts, Reduces toothache, Surgical wounds, Throat infection, Ulcers
Part of Plant Used
Leaves, Twigs
Flowers, Leaves, Root
Other Uses
Used for its medicinal properties
Cosmetics, Sometimes used for making wine, Used as an insecticide, Used as essential oil, Used As Food, Used as Ornamental plant, Used in salads
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Groundcover, Showy Tree
Botanical Name
Symphytum asperum
CALENDULA officinalis
Common Name
Comfrey,Black Root, Blackwort, Bruisewort
Pot Marigold
In Hindi
Blackwort
Pot Marigold
In German
Blackwort
Ringelblume
In French
Blackwort
pot Marigold
In Spanish
Blackwort
Caléndula
In Greek
Blackwort
καλέντουλα
In Portuguese
Blackwort
pot Marigold
In Polish
Blackwort
Pot Marigold
In Latin
Blackwort
Zinnia Pot
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Vascular plant
Class
Magnoliopsida
Magnoliopsida
Order
Lamiales
Asterales
Family
Boraginaceae
Asteraceae
Genus
Symphytum
Calendula
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Tribe
-
Calenduleae
Subfamily
Boraginoideae
Asteroideae
Number of Species
3520
1
27800
👆🏻