Life Span
Perennial
Perennial
Type
Tender Perennial
Broadleaf Evergreen
Origin
North America, Mexico, Latin America and the Caribbean, Caribbean, Central America, South America
Europe, Russia
Types
Cryptanthus 'Absolute Zero'
Cryptanthus 'Agate'
Cryptanthus 'Alberta'
Cryptanthus 'Alpine Frost'
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Habitat
Lowland evergreen rainforest, Rainforest, Shaded sites, Wild
Cold Regions, stream banks
USDA Hardiness Zone
-9999
6-11
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
Light Green
Red, Dark Green, Burgundy, Bronze
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, Pot
Container, Ground
How to Plant?
Cuttings, Leaf Cutting, Seedlings
Root Division, Transplanting
Plant Maintenance
Medium
Low
Watering Requirements
Average Water Needs, Do not water excessively, Keep the Soil well drained
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
Soil Drainage Capacity
-
Well drained
Sun Exposure
-
Full Sun, Partial Sun, Partial shade
Pruning
Pinch or prune as they grow to promote branching and bushiness, Pinching, Remove damaged leaves, Remove dead branches, Remove dead leaves
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
Pests and diseases free, Red blotch
Aphids, Stem spot
Plant Tolerance
Variety of soil types
Shallow soil, Sun
Flower Petal Number
Single
Single
Attracts
Ladybug beetles, Mealybugs, Scale Insects
Ants, Butterflies, pollinators
Allergy
-
Antibacterial, Peripheral Edema
Aesthetic Uses
Beautification, Borders, Decorating walls, Ground Cover
Cottage Garden, Showy Purposes
Beauty Benefits
-
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
Environmental Uses
Air purification
Air purification, Fixes Nitrogen
Medicinal Uses
-
Asthma, Diarrhea, Obesity, Osteoarthritis
Part of Plant Used
-
Leaves, Twigs
Other Uses
Used as Ornamental plant, useful as a ground cover
Used for its medicinal properties
Used As Indoor Plant
Yes
No
Used As Outdoor Plant
Yes
Yes
Garden Design
-
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Botanical Name
CRYPTANTHUS
Symphytum asperum
Common Name
Cryptanthus, Earth Star
Comfrey,Black Root, Blackwort, Bruisewort
In Hindi
Earth Star
Blackwort
In German
Erdstern
Blackwort
In French
Terre étoile
Blackwort
In Spanish
estrella de la tierra
Blackwort
In Greek
γη αστεριών
Blackwort
In Portuguese
Estrela da terra
Blackwort
In Polish
Gwiazda ziemi
Blackwort
In Latin
terra, stella
Blackwort
Phylum
Tracheophyta
Magnoliophyta
Class
Liliopsida
Magnoliopsida
Order
Bromeliales
Lamiales
Family
Bromeliaceae
Boraginaceae
Genus
Cryptanthus
Symphytum
Clade
Angiosperms, Commelinids, Monocots
Angiosperms, Eudicots, Rosids
Subfamily
Bromelioideae
Boraginoideae
Importance of Earth Star and Comfrey
Want to have the most appropriate plant for your garden? You might want to know the importance of Earth Star and Comfrey. Basically, these two plants vary in many aspects. Compare Earth Star and Comfrey 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 Earth Star is whereas of Comfrey is Asthma, Diarrhea, Obesity and Osteoarthritis. Earth Star has beauty benefits as follows: while Comfrey has beauty benefits as follows: .
Compare Facts of Earth Star vs Comfrey
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 Earth Star vs Comfrey 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 Earth Star are whereas of Comfrey have Antibacterial and Peripheral Edema respectively. Having a fruit bearing plant in your garden can be a plus point of your garden. Earth Star has no showy fruits and Comfrey has showy fruits. Also Earth Star is not flowering and Comfrey is not flowering . You can compare Earth Star and Comfrey facts and facts of other plants too.