Life Span
Perennial
Perennial
Origin
Europe, Asia
North America, United States, Northwestern United States, Alaska, California, Canada
Types
Bigleaf hydrangea, Hortensia, Smooth hydrangea, Oakleaf hydrangea, Annabelle
-
Habitat
Forest edges, Hillside, Woods
Lowland evergreen rainforest
USDA Hardiness Zone
-9999
4-7
Sunset Zone
21,22
3a, 3b, 4, 5, 6, 7, 14, 15, 16, 17
Habit
Spreading
Pyramidal
Flower Color
White, Purple, Pink, Violet, Ivory
Yellow, Red, Coral
Flower Color Modifier
Bicolor
Bicolor
Leaf Color in Spring
Green, Gray Green
Green, Dark Green
Leaf Color in Summer
Green, Gray Green
Dark Green
Leaf Color in Fall
Green, Gray Green
Dark Green
Leaf Color in Winter
Light Green
-
Leaf Shape
Oblovate
Ovate
Plant Season
Spring, Summer
Spring, Summer, Fall
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade
Type of Soil
Clay, Loam
Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Drainage
Average
Average
Bloom Time
Spring, Summer
Early Spring
Tolerances
Drought
Maritime exposure, Salt water
Where to Plant?
Container, Ground
Ground
How to Plant?
Seedlings, Stem Planting
Layering, Seedlings
Plant Maintenance
Medium
Medium
Watering Requirements
-
Average Water Needs
In Summer
Average Water
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Type
Clay, Loam
Loam, Sand
Soil Drainage Capacity
Average
Average
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer, Nitrogen
Pests and Diseases
Red blotch
-
Plant Tolerance
Drought
Maritime exposure, Salt water
Flowers
Showy
Insignificant
Flower Petal Number
Single
-
Foliage Texture
Coarse
Medium
Foliage Sheen
Matte
Glossy
Attracts
Bees, Flies
Insects
Allergy
Chest tightness, Diarrhea, Dizziness, Nausea, Vomiting
-
Beauty Benefits
-
Skin Problems
Environmental Uses
Air purification
Air purification, Prevent Soil Erosion, Shadow Tree
Medicinal Uses
Fever, Kidney problems, Urinary tract problems
Anodyne, Appetizer, Astringent
Part of Plant Used
Flowers, Root
Flowers, Inner Bark, Sap
Other Uses
-
Used as a dye, used for making charcoal, Used for making informal hedge
Used As Indoor Plant
-
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Herb / Vegetable
Screening / Wind Break, Shade Trees
Botanical Name
SYMPHYTUM officinale
ALNUS rubra
Common Name
Common Comfrey
Oregon Alder, Red Alder
In Hindi
Hydrangea
red alder
In German
Hortensie
rot-Erle
In French
Hortensia
aulne rouge
In Spanish
Hortensia
aliso rojo
In Greek
υδραγεία
κόκκινη σκλήθρα
In Portuguese
Hortênsia
amieiro vermelho
In Polish
Hortensja
czerwony olcha
In Latin
Hibiscus
red alnus
Family
Boraginaceae
Betulaceae
Clade
-
Angiosperms, Eudicots, Rosids
Difference Between Common Comfrey and Red Alder
If you are confused whether Common Comfrey or Red Alder are same, here are some features about those plants to help you choose better. Many people think that these two plants have the same characteristics, but one can see Common Comfrey and Red Alder Information and learn more about it. Fertilizers required for proper growth of Common Comfrey are All-Purpose Liquid Fertilizer, whereas for Red Alder fertilizers required are All-Purpose Liquid Fertilizer and Nitrogen. Hence, one should know the basic difference between Common Comfrey and Red Alder if you are planning to have them in your garden to enhance its beauty.
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Flowering Plants
Importance of Common Comfrey and Red Alder
Want to have the most appropriate plant for your garden? You might want to know the importance of Common Comfrey and Red Alder. Basically, these two plants vary in many aspects. Compare Common Comfrey and Red Alder 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 Common Comfrey is Fever, Kidney problems and Urinary tract problems whereas of Red Alder is Anodyne, Appetizer and Astringent. Common Comfrey has beauty benefits as follows: while Red Alder has beauty benefits as follows: .
Compare Facts of Common Comfrey vs Red Alder
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 Common Comfrey vs Red Alder 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 Common Comfrey are Chest tightness, Diarrhea, Dizziness, Nausea and Vomiting whereas of Red Alder have respectively. Having a fruit bearing plant in your garden can be a plus point of your garden. Common Comfrey has no showy fruits and Red Alder has showy fruits. Also Common Comfrey is not flowering and Red Alder is not flowering . You can compare Common Comfrey and Red Alder facts and facts of other plants too.