Life Span
Perennial
Perennial
Type
Broadleaf Evergreen
Grass
Origin
Europe, Russia
North America, United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, North-Central United States, Central United States, South-Central United States, Southwestern United States, Texas, Canada, Mexico
Types
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
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Habitat
Cold Regions, stream banks
meadows, Prairies, Riverbanks, Roadsides, Woods
USDA Hardiness Zone
6-11
2-7
Sunset Zone
21,22
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Upright/Erect
Clump-Forming
Flower Color
White, Light Pink
Purple
Flower Color Modifier
Bicolor
Bicolor
Leaf Color in Spring
Red, Green, Copper
Green
Leaf Color in Summer
Green, Blue Green
Light Green
Leaf Color in Fall
Green, Blue Green
Blue Green, Burgundy, Bronze
Leaf Color in Winter
Red, Dark Green, Burgundy, Bronze
Tan, Sandy Brown
Leaf Shape
Oval
Grass like
Plant Season
Spring, Summer, Fall, Winter
Summer, Fall, Winter
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
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
Late Summer, Early Fall, Fall
Where to Plant?
Container, Ground
Container, Ground, Pot
How to Plant?
Root Division, Transplanting
Seedlings
Plant Maintenance
Low
Medium
Watering Requirements
Allow to dry out slightly between watering, Water daily during growing season
Average Water Needs, Do Not over Water, Medium
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
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 leaves, Remove dead or diseased plant parts
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
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Flower Petal Number
Single
Single
Foliage Texture
Medium
Medium
Foliage Sheen
Glossy
Matte
Attracts
Ants, Butterflies, pollinators
Birds, Butterflies
Allergy
Antibacterial, Peripheral Edema
-
Aesthetic Uses
Cottage Garden, Showy Purposes
Ground Cover, Landscape Designing, Showy Purposes
Beauty Benefits
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
-
Edible Uses
No
Insignificant
Environmental Uses
Air purification, Fixes Nitrogen
Air purification, Food for animals, Prevent Soil Erosion
Medicinal Uses
Asthma, Diarrhea, Obesity, Osteoarthritis
-
Part of Plant Used
Leaves, Twigs
Leaves, Stem
Other Uses
Used for its medicinal properties
Decoration Purposes, Food for animals
Used As Indoor Plant
No
Insignificant
Used As Outdoor Plant
Yes
Yes
Garden Design
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Cutflower, Dried Flower/Everlasting, Mixed Border, Screening / Wind Break, Wildflower
Botanical Name
Symphytum asperum
ANDROPOGON gerardii
Common Name
Comfrey,Black Root, Blackwort, Bruisewort
Big Bluestem, Turkey Foot
In Hindi
Blackwort
Big Bluestem grass
In German
Blackwort
Große Bartgras
In French
Blackwort
Barbon de Gérard herbe
In Spanish
Blackwort
hierba andropogon grande
In Greek
Blackwort
Big BLUESTEM γρασίδι
In Portuguese
Blackwort
Vetiver grande grama
In Polish
Blackwort
Big Bluestem trawa
In Latin
Blackwort
Big bluestem herba
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Lillosida
Family
Boraginaceae
Poaceae
Genus
Symphytum
Andropogon
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Commelinids, Monocots
Subfamily
Boraginoideae
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Season and Care of Comfrey and Big Bluestem
Season and care of Comfrey and Big Bluestem is important to know. While considering everything about Comfrey and Big Bluestem Care, growing season is an essential factor. Comfrey season is Spring, Summer, Fall and Winter and Big Bluestem season is Spring, Summer, Fall and Winter. The type of soil for Comfrey is Loam, Sand and for Big Bluestem is Loam, Sand while the PH of soil for Comfrey is Acidic, Neutral and for Big Bluestem is Neutral, Alkaline.
Comfrey and Big Bluestem Physical Information
Comfrey and Big Bluestem physical information is very important for comparison. Comfrey height is 20.00 cm and width 90.00 cm whereas Big Bluestem height is 38.10 cm and width 152.40 cm. The color specification of Comfrey and Big Bluestem are as follows:
Comfrey flower color: White and Light Pink
Comfrey leaf color: Red, Green and Copper
Big Bluestem flower color: Purple
- Big Bluestem leaf color: Green
Care of Comfrey and Big Bluestem
Care of Comfrey and Big Bluestem include pruning, fertilizers, watering etc. Comfrey pruning is done Cut or pinch the stems and Remove dead leaves and Big Bluestem pruning is done Remove damaged leaves, Remove dead branches, Remove dead leaves and Remove dead or diseased plant parts. In summer Comfrey needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Big Bluestem needs Lots of watering and in winter, it needs Average Water.