Life Span
Perennial
Perennial
Type
Herbs
Broadleaf Evergreen
Origin
Southwestern United States, Central America, South America, Brazil
Europe, Russia
Types
-
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Habitat
Mountain Slopes, Mountains, tropical grasslands
Cold Regions, stream banks
USDA Hardiness Zone
-9999
6-11
Sunset Zone
H1, H2, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
21,22
Habit
Upright/Erect
Upright/Erect
Flower Color
White
White, Light Pink
Flower Color Modifier
Bicolor
Bicolor
Leaf Color in Spring
Green, 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
Light Green
Red, Dark Green, Burgundy, Bronze
Leaf Shape
Even Pinnate
Oval
Plant Season
Summer, Fall
Spring, Summer, Fall, Winter
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Type of Soil
Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral
Soil Drainage
Average
Well drained
Bloom Time
Summer, Late Summer
Late Spring, Early Summer, Summer
Where to Plant?
Ground
Container, Ground
How to Plant?
Cuttings, root cutting
Root Division, Transplanting
Plant Maintenance
Medium
Low
Watering Requirements
Needs very little water, Over-watering can cause leaf problems or root diseases
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 pH
Acidic, Neutral
Acidic, Neutral
Soil Type
Loam, Sand
Loam, Sand
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Pruning
Cut away fading foliage, Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts
Cut or pinch the stems, Remove dead leaves
Fertilizers
Does not require fertilizer once established
14-14-14 Fertilizer, All-Purpose Liquid Fertilizer, can go long without fertilizers
Pests and Diseases
Bacterial fruit blotch, Damping off, Fusarium wilt, Red blotch, Root rot, Septoria leaf spot, Southern blight
Aphids, Stem spot
Plant Tolerance
Drought, Variety of soil types
Shallow soil, Sun
Flower Petal Number
Single
Single
Foliage Texture
Medium
Medium
Foliage Sheen
Matte
Glossy
Attracts
Bees, Butterflies, Flies
Ants, Butterflies, pollinators
Allergy
Asthma, Skin irritation, Skin rash
Antibacterial, Peripheral Edema
Aesthetic Uses
Cottage Garden, Ornamental use
Cottage Garden, Showy Purposes
Beauty Benefits
-
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
Environmental Uses
Air purification
Air purification, Fixes Nitrogen
Medicinal Uses
Hypoglycaemic
Asthma, Diarrhea, Obesity, Osteoarthritis
Part of Plant Used
Leaves
Leaves, Twigs
Other Uses
-
Used for its medicinal properties
Used As Indoor Plant
Yes
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Bedding Plant, Container, Edible, Herb / Vegetable, Houseplant, Tropical
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Botanical Name
STEVIA rebaudiana
Symphytum asperum
Common Name
Candyleaf, Stevia, Sweetleaf
Comfrey,Black Root, Blackwort, Bruisewort
In Hindi
Stevia
Blackwort
In German
Stevia
Blackwort
In French
Stevia
Blackwort
In Spanish
Stevia
Blackwort
In Greek
Stevia
Blackwort
In Portuguese
Stevia
Blackwort
In Polish
Stewia
Blackwort
In Latin
Stevia
Blackwort
Phylum
Tracheophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Family
Asteraceae
Boraginaceae
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Subfamily
-
Boraginoideae
Season and Care of Stevia and Comfrey
Season and care of Stevia and Comfrey is important to know. While considering everything about Stevia and Comfrey Care, growing season is an essential factor. Stevia season is Summer and Fall and Comfrey season is Summer and Fall. The type of soil for Stevia is Loam, Sand and for Comfrey is Loam, Sand while the PH of soil for Stevia is Acidic, Neutral and for Comfrey is Acidic, Neutral.
Stevia and Comfrey Physical Information
Stevia and Comfrey physical information is very important for comparison. Stevia height is 45.70 cm and width 40.60 cm whereas Comfrey height is 20.00 cm and width 90.00 cm. The color specification of Stevia and Comfrey are as follows:
Stevia flower color: White
Stevia leaf color: Green and Dark Green
Comfrey flower color: White and Light Pink
- Comfrey leaf color: Red, Green and Copper
Care of Stevia and Comfrey
Care of Stevia and Comfrey include pruning, fertilizers, watering etc. Stevia pruning is done Cut away fading foliage, Remove damaged leaves, Remove dead branches, Remove dead leaves and Remove dead or diseased plant parts and Comfrey pruning is done Cut or pinch the stems and Remove dead leaves. In summer Stevia needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Comfrey needs Lots of watering and in winter, it needs Average Water.