Life Span
Perennial
Perennial
Type
Broadleaf Evergreen
Herbs
Origin
Europe, Russia
-
Types
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Thymus citriodorus
Number of Varieties
215
0
40000
👆🏻
Habitat
Cold Regions, stream banks
gardens
USDA Hardiness Zone
6-11-9999
0
99
👆🏻
AHS Heat Zone
-
9-6
Sunset Zone
21,22
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
Cushion/Mound-forming
Plant Size
Minimum Height
20.00 cm25.40 cm
0
3900
👆🏻
Minimum Width
90.00 cm30.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Light Pink
Pink, Lavender
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Orange Red
-
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
Ovate-lanceolate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Growth Rate
Medium
Medium
Type of Soil
Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral
Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer, Summer
Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Deer resistant, Drought, Frost
Where to Plant?
Container, Ground
Container, Pot
How to Plant?
Root Division, Transplanting
Seedlings, Softwood cuttings
Plant Maintenance
Low
Low
Watering Plants
Watering Requirements
Allow to dry out slightly between watering, Water daily during growing season
Needs less watering
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral
Neutral, Alkaline
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 flowers, 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
Root rot
Plant Tolerance
Shallow soil, Sun
Deer resistant, Drought, Frost
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
Fine
Foliage Sheen
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Ants, Butterflies, pollinators
Bees, Wildlife
Allergy
Antibacterial, Peripheral Edema
Avoid during Pregnancy, Nausea
Uses
Aesthetic Uses
Cottage Garden, Showy Purposes
Beautification, Cottage Garden, Showy Purposes
Beauty Benefits
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
Anti-ageing, Good for skin
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Fixes Nitrogen
Air purification
Plant Benefits
Medicinal Uses
Asthma, Diarrhea, Obesity, Osteoarthritis
Bronchitis, Combats Stress, Indigestion, Upset stomach
Part of Plant Used
Leaves, Twigs
Leaves
Other Uses
Used for its medicinal properties
Oil is used for aromatherapy, Used in herbal medicines, Used in salads, Used to make herbal teas
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Container, Edging, Edible, Herb / Vegetable, Mixed Border, Rock Garden / Wall
Botanical Name
Symphytum asperum
Thymus citriodorus
Common Name
Comfrey,Black Root, Blackwort, Bruisewort
Lemon Thyme, Citrus thyme
In Hindi
Blackwort
Lemon Thyme
In German
Blackwort
Zitronenthymian
In French
Blackwort
citron Thyme
In Spanish
Blackwort
citron Thyme
In Greek
Blackwort
λεμόνι Θυμάρι
In Portuguese
Blackwort
limão Tomilho
In Polish
Blackwort
tymianek cytrynowy
In Latin
Blackwort
lemon Thyme
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Lamiales
Lamiales
Family
Boraginaceae
Lamiaceae
Genus
Symphytum
Thymus
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Tribe
-
-
Subfamily
Boraginoideae
Nepetoideae
Number of Species
35350
1
27800
👆🏻