Life Span
Perennial
Perennial
Type
Grass
Broadleaf Evergreen
Origin
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
Europe, Russia
Types
-
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Number of Varieties
42
0
40000
👆🏻
Habitat
meadows, Prairies, Riverbanks, Roadsides, Woods
Cold Regions, stream banks
USDA Hardiness Zone
2-76-11
0
99
👆🏻
AHS Heat Zone
7 - 1
-
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
21,22
Habit
Clump-Forming
Upright/Erect
Plant Size
Minimum Height
38.10 cm20.00 cm
0
3900
👆🏻
Minimum Width
152.40 cm90.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Purple
White, Light Pink
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Orange Red
Leaf Color in Spring
Green
Red, Green, Copper
Leaf Color in Summer
Light Green
Green, Blue Green
Leaf Color in Fall
Blue Green, Burgundy, Bronze
Green, Blue Green
Leaf Color in Winter
Tan, Sandy Brown
Red, Dark Green, Burgundy, Bronze
Shape
Leaf Shape
Grass like
Oval
Thorns
✔
✘
✔
✘
Plant Season
Summer, Fall, Winter
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Fast
Medium
Type of Soil
Loam, Sand
Loam, Sand
The pH of Soil
Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Late Summer, Early Fall, Fall
Late Spring, Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
-
Where to Plant?
Container, Ground, Pot
Container, Ground
How to Plant?
Seedlings
Root Division, Transplanting
Plant Maintenance
Medium
Low
Watering Plants
Watering Requirements
Average Water Needs, Do Not over Water, Medium
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
Soil pH
Neutral, Alkaline
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, Remove dead or diseased plant parts
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
Red blotch
Aphids, Stem spot
Plant Tolerance
-
Shallow soil, Sun
Flowers
✔
✘
✔
✘
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
Medium
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds, Butterflies
Ants, Butterflies, pollinators
Allergy
-
Antibacterial, Peripheral Edema
Uses
Aesthetic Uses
Ground Cover, Landscape Designing, Showy Purposes
Cottage Garden, Showy Purposes
Beauty Benefits
-
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Food for animals, Prevent Soil Erosion
Air purification, Fixes Nitrogen
Plant Benefits
Medicinal Uses
-
Asthma, Diarrhea, Obesity, Osteoarthritis
Part of Plant Used
Leaves, Stem
Leaves, Twigs
Other Uses
Decoration Purposes, Food for animals
Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Cutflower, Dried Flower/Everlasting, Mixed Border, Screening / Wind Break, Wildflower
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Botanical Name
ANDROPOGON gerardii
Symphytum asperum
Common Name
Big Bluestem, Turkey Foot
Comfrey,Black Root, Blackwort, Bruisewort
In Hindi
Big Bluestem grass
Blackwort
In German
Große Bartgras
Blackwort
In French
Barbon de Gérard herbe
Blackwort
In Spanish
hierba andropogon grande
Blackwort
In Greek
Big BLUESTEM γρασίδι
Blackwort
In Portuguese
Vetiver grande grama
Blackwort
In Polish
Big Bluestem trawa
Blackwort
In Latin
Big bluestem herba
Blackwort
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Lillosida
Magnoliopsida
Order
Poaceae
Lamiales
Family
Poaceae
Boraginaceae
Genus
Andropogon
Symphytum
Clade
Angiosperms, Commelinids, Monocots
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
-
Boraginoideae
Number of Species
15035
1
27800
👆🏻