Life Span
Perennial
Perennial
Type
Broadleaf Evergreen
Herbs
Origin
Europe, Russia
Southeastern Asia
Types
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Ornamental Lemongrass , Citronella, Java Citronella , East Indian Lemongrass ,
Habitat
Cold Regions, stream banks
tropical grasslands
USDA Hardiness Zone
6-11
8-12
AHS Heat Zone
Not Available
9-1
Sunset Zone
21,22
H1, H2, 12, 13, 16, 17, 23, 24
Habit
Upright/Erect
Clump-Forming
Flower Color
White, Light Pink
Yellow
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Not Available, Orange Red
Tan
Leaf Color in Spring
Red, Green, Copper
Blue Green
Leaf Color in Summer
Green, Blue Green
Blue Green
Leaf Color in Fall
Green, Blue Green
Blue Green
Leaf Color in Winter
Red, Dark Green, Burgundy, Bronze
Light Green
Leaf Shape
Oval
Long and slender with very sharp edges
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Growth Rate
Medium
Very Fast
Type of Soil
Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral
Soil Drainage
Well drained
Average
Bloom Time
Late Spring, Early Summer, Summer
Late Summer, Early Fall
Tolerances
Not Available
Drought
Where to Plant?
Container, Ground
Ground
How to Plant?
Root Division, Transplanting
Divison, From bulbs
Plant Maintenance
Low
Low
Watering Requirements
Allow to dry out slightly between watering, Water daily during growing season
Keep the Soil well drained, Water Deeply
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Acidic, Neutral
Acidic, Neutral
Soil Type
Loam, Sand
Loam, Sand
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Pruning
Cut or pinch the stems, Remove dead leaves
Prune in the growing season, Prune in the late winter or spring, Pruning may be required for height clearance, 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, Compost
Pests and Diseases
Aphids, Stem spot
Pests and diseases free
Plant Tolerance
Shallow soil, Sun
Drought, Heat And Humidity
Flower Petal Number
Single
Not Available
Fragrant Bark/Stem
No
Yes
Foliage Texture
Medium
Medium
Foliage Sheen
Glossy
Matte
Invasive
Sometimes
Sometimes
Attracts
Ants, Butterflies, pollinators
Bees
Allergy
Antibacterial, Peripheral Edema
lung problems if inhaled in excess, starts menstrual flow
Aesthetic Uses
Cottage Garden, Showy Purposes
Wild gardens
Beauty Benefits
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
Acne, Brightens the skin complexion, Provides herbal hair care
Environmental Uses
Air purification, Fixes Nitrogen
Air purification
Medicinal Uses
Asthma, Diarrhea, Obesity, Osteoarthritis
Cough, High blood pressure, High cholestrol, Soothing and relieving pain, Sore throat, Stomach spasms, Vomiting
Part of Plant Used
Leaves, Twigs
extracted oil, Leaf Stalks, Leaves, Shoots
Other Uses
Used for its medicinal properties
Condiment, Oil is used in perfume, soaps, creams, etc., Used as a condiment
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Container, Edible, Herb / Vegetable, Mixed Border, Tropical
Botanical Name
Symphytum asperum
CYMBOPOGON citratus
Common Name
Comfrey,Black Root, Blackwort, Bruisewort
Lemon Grass, Lemongrass
In Hindi
Blackwort
शतवेधी
In German
Blackwort
Zitronengräser
In French
Blackwort
Cymbopogon
In Spanish
Blackwort
Cymbopogon
In Greek
Blackwort
lemongrass
In Portuguese
Blackwort
Cymbopogon
In Polish
Blackwort
Palczatka
In Latin
Blackwort
lemongrass
Phylum
Magnoliophyta
Tracheophyta
Class
Magnoliopsida
Magnoliopsida
Family
Boraginaceae
Poaceae
Genus
Symphytum
Cymbopogon
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Monocots
Tribe
Not Available
Andropogoneae
Subfamily
Boraginoideae
Panicoideae
Number of Species
Not Available
Season and Care of Comfrey and Lemongrass
Season and care of Comfrey and Lemongrass is important to know. While considering everything about Comfrey and Lemongrass Care, growing season is an essential factor. Comfrey season is Spring, Summer, Fall and Winter and Lemongrass season is Spring, Summer, Fall and Winter. The type of soil for Comfrey is Loam, Sand and for Lemongrass is Loam, Sand while the PH of soil for Comfrey is Acidic, Neutral and for Lemongrass is Acidic, Neutral.
Comfrey and Lemongrass Physical Information
Comfrey and Lemongrass physical information is very important for comparison. Comfrey height is 20.00 cm and width 90.00 cm whereas Lemongrass height is 90.00 cm and width 60.00 cm. The color specification of Comfrey and Lemongrass are as follows:
Comfrey flower color: White and Light Pink
Comfrey leaf color: Red, Green and Copper
Lemongrass flower color: Yellow
- Lemongrass leaf color: Blue Green
Care of Comfrey and Lemongrass
Care of Comfrey and Lemongrass include pruning, fertilizers, watering etc. Comfrey pruning is done Cut or pinch the stems and Remove dead leaves and Lemongrass pruning is done Prune in the growing season, Prune in the late winter or spring, Pruning may be required for height clearance, Remove damaged leaves, Remove dead branches and Remove dead leaves. In summer Comfrey needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Lemongrass needs Lots of watering and in winter, it needs Average Water.