Life Span
Perennial
Perennial
Type
Broadleaf Evergreen
Tender Perennial
Origin
Europe, Russia
North America, Mexico, Latin America and the Caribbean, Caribbean, Central America, South America
Types
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Cryptanthus 'Absolute Zero'
Cryptanthus 'Agate'
Cryptanthus 'Alberta'
Cryptanthus 'Alpine Frost'
Habitat
Cold Regions, stream banks
Lowland evergreen rainforest, Rainforest, Shaded sites, Wild
USDA Hardiness Zone
6-11
-9999
Flower Color
White, Light Pink
-
Flower Color Modifier
Bicolor
Bicolor
Leaf Color in Spring
Red, Green, Copper
-
Leaf Color in Summer
Green, Blue Green
-
Leaf Color in Fall
Green, Blue Green
-
Leaf Color in Winter
Red, Dark Green, Burgundy, Bronze
Light Green
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Sunlight
Full Sun, Partial Sun, Partial shade
-
Type of Soil
Loam, Sand
-
The pH of Soil
Acidic, Neutral
-
Soil Drainage
Well drained
-
Bloom Time
Late Spring, Early Summer, Summer
-
Where to Plant?
Container, Ground
Container, Ground, Pot
How to Plant?
Root Division, Transplanting
Cuttings, Leaf Cutting, Seedlings
Plant Maintenance
Low
Medium
Watering Requirements
Allow to dry out slightly between watering, Water daily during growing season
Average Water Needs, Do not water excessively, Keep the Soil well drained
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Acidic, Neutral
-
Soil Drainage Capacity
Well drained
-
Sun Exposure
Full Sun, Partial Sun, Partial shade
-
Pruning
Cut or pinch the stems, Remove dead leaves
Pinch or prune as they grow to promote branching and bushiness, Pinching, Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
14-14-14 Fertilizer, All-Purpose Liquid Fertilizer, can go long without fertilizers
Does not require fertilizer once established
Pests and Diseases
Aphids, Stem spot
Pests and diseases free, Red blotch
Plant Tolerance
Shallow soil, Sun
Variety of soil types
Flower Petal Number
Single
Single
Attracts
Ants, Butterflies, pollinators
Ladybug beetles, Mealybugs, Scale Insects
Allergy
Antibacterial, Peripheral Edema
-
Aesthetic Uses
Cottage Garden, Showy Purposes
Beautification, Borders, Decorating walls, Ground Cover
Beauty Benefits
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
-
Environmental Uses
Air purification, Fixes Nitrogen
Air purification
Medicinal Uses
Asthma, Diarrhea, Obesity, Osteoarthritis
-
Part of Plant Used
Leaves, Twigs
-
Other Uses
Used for its medicinal properties
Used as Ornamental plant, useful as a ground cover
Used As Indoor Plant
No
Yes
Used As Outdoor Plant
Yes
Yes
Garden Design
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
-
Botanical Name
Symphytum asperum
CRYPTANTHUS
Common Name
Comfrey,Black Root, Blackwort, Bruisewort
Cryptanthus, Earth Star
In Hindi
Blackwort
Earth Star
In German
Blackwort
Erdstern
In French
Blackwort
Terre étoile
In Spanish
Blackwort
estrella de la tierra
In Greek
Blackwort
γη αστεριών
In Portuguese
Blackwort
Estrela da terra
In Polish
Blackwort
Gwiazda ziemi
In Latin
Blackwort
terra, stella
Phylum
Magnoliophyta
Tracheophyta
Class
Magnoliopsida
Liliopsida
Order
Lamiales
Bromeliales
Family
Boraginaceae
Bromeliaceae
Genus
Symphytum
Cryptanthus
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Commelinids, Monocots
Subfamily
Boraginoideae
Bromelioideae
Importance of Comfrey and Earth Star
Want to have the most appropriate plant for your garden? You might want to know the importance of Comfrey and Earth Star. Basically, these two plants vary in many aspects. Compare Comfrey and Earth Star as they differ in many characteristics such as their life, care, benefits, facts, etc. Every gardener must at least have the slightest clue about the plants he wants to plant in his garden. Compare their benefits, which differ in many ways like facts and uses. The medicinal use of Comfrey is Asthma, Diarrhea, Obesity and Osteoarthritis whereas of Earth Star is . Comfrey has beauty benefits as follows: Acne, Beautiful Skin, Reduce Bruises and Remove blemishes while Earth Star has beauty benefits as follows: Acne, Beautiful Skin, Reduce Bruises and Remove blemishes.
Compare Facts of Comfrey vs Earth Star
How to choose the best garden plant for your garden depending upon its facts? Here garden plant comparison will help you to solve this query. Compare the facts of Comfrey vs Earth Star and know which one to choose. As garden plants have benefits and other uses, allergy is also a major drawback of plants for some people. Allergic reactions of Comfrey are Antibacterial and Peripheral Edema whereas of Earth Star have respectively. Having a fruit bearing plant in your garden can be a plus point of your garden. Comfrey has showy fruits and Earth Star has no showy fruits. Also Comfrey is not flowering and Earth Star is not flowering . You can compare Comfrey and Earth Star facts and facts of other plants too.