Life Span
Perennial
Perennial
Type
Broadleaf Evergreen
Broadleaf Evergreen
Origin
Eastern Asia
Europe, Russia
Types
G. 'Radicans', G. 'Aimee',G. 'Golden Magic'
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Number of Varieties
102
0
40000
👆🏻
Habitat
Subtropical climates, Temperate Regions
Cold Regions, stream banks
USDA Hardiness Zone
7-106-11
0
99
👆🏻
AHS Heat Zone
-
-
Sunset Zone
21,22
21,22
Habit
Oval/Rounded
Upright/Erect
Plant Size
Minimum Height
105.00 cm20.00 cm
0
3900
👆🏻
Minimum Width
135.00 cm90.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Ivory
White, Light Pink
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Orange Red, Brown
Orange Red
Leaf Color in Spring
Dark Green
Red, Green, Copper
Leaf Color in Summer
Dark Green
Green, Blue Green
Leaf Color in Fall
Dark Green
Green, Blue Green
Leaf Color in Winter
Dark Green
Red, Dark Green, Burgundy, Bronze
Shape
Leaf Shape
Lance shaped
Oval
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
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, Late Summer
Late Spring, Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
-
Where to Plant?
Container, Ground, Pot
Container, Ground
How to Plant?
Cuttings, Tip cutting
Root Division, Transplanting
Plant Maintenance
Medium
Low
Watering Plants
Watering Requirements
Keep the Soil well drained, Needs less watering, Requires consistently moist soil, Use Mulches to help prevent water loss during hot and windy weather
Allow to dry out slightly between watering, Water daily during growing season
In Summer
Average Water
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
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
Aphids, Mealy bugs, Spider mites, Whiteflies
Aphids, Stem spot
Plant Tolerance
-
Shallow soil, Sun
Flowers
Showy
Showy
Flower Petal Number
Double
Single
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
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds, Butterflies
Ants, Butterflies, pollinators
Allergy
Hay fever, Mild Allergen
Antibacterial, Peripheral Edema
Uses
Aesthetic Uses
Beautification, Bouquets, Informal Hedge, Showy Purposes
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
chest congestion, cholesterol-lowering, Detoxification
Asthma, Diarrhea, Obesity, Osteoarthritis
Part of Plant Used
Flowers, Fruits
Leaves, Twigs
Other Uses
Cake, Can be boiled and seasoned, pickled, Jam, Used as preservative
Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Cutflower, Feature Plant, Foundation, Houseplant, Mixed Border, Topiary, Bonsai, Espalier
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Botanical Name
GARDENIA jasminoides 'Frostproof'
Symphytum asperum
Common Name
Cape Jasmine, Frostproof Gardenia, Gardenia
Comfrey,Black Root, Blackwort, Bruisewort
In Hindi
Gardenia jasminoides
Blackwort
In German
Gardenie
Blackwort
In French
Cape Jasmine
Blackwort
In Spanish
Gardenia jasminoides
Blackwort
In Greek
Cape Jasmine
Blackwort
In Portuguese
Gardenia jasminoides
Blackwort
In Polish
Gardenia jaśminowata
Blackwort
In Latin
Gardenia mucronata
Blackwort
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Gentianales
Lamiales
Family
Rubiaceae
Boraginaceae
Genus
Gardenia
Symphytum
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
-
Boraginoideae
Number of Species
20035
1
27800
👆🏻