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
Properties of Common Comfrey and Red Alder
Wondering what are the properties of Common Comfrey and Red Alder? We provide you with everything About Common Comfrey and Red Alder. Common Comfrey doesn't have thorns and Red Alder doesn't have thorns. Also Common Comfrey does not have fragrant flowers. Common Comfrey has allergic reactions like Chest tightness, Diarrhea, Dizziness, Nausea and Vomiting and Red Alder has allergic reactions like Chest tightness, Diarrhea, Dizziness, Nausea and Vomiting. Compare all the properties and characteristics of these two plants. Find out which of these plant can be used as indoor plant. If you are interested to decorate your house and garden, find out aesthetic uses, compare them and select the plant which will beautify your surrounding. Along with beautification, try comparing medicinal and edible uses of Common Comfrey and Red Alder and you can choose the plant having best and most benefits.
Season and Care of Common Comfrey and Red Alder
Season and care of Common Comfrey and Red Alder is important to know. While considering everything about Common Comfrey and Red Alder Care, growing season is an essential factor. Common Comfrey season is Spring and Summer and Red Alder season is Spring and Summer. The type of soil for Common Comfrey is Clay, Loam and for Red Alder is Loam, Sand while the PH of soil for Common Comfrey is Acidic, Neutral and for Red Alder is Acidic, Neutral, Alkaline.
Common Comfrey and Red Alder Physical Information
Common Comfrey and Red Alder physical information is very important for comparison. Common Comfrey height is 60.00 cm and width 60.00 cm whereas Red Alder height is 1,370.00 cm and width 610.00 cm. The color specification of Common Comfrey and Red Alder are as follows:
Common Comfrey flower color: White, Purple, Pink, Violet and Ivory
Common Comfrey leaf color: Green and Gray Green
Red Alder flower color: Yellow, Red and Coral
- Red Alder leaf color: Green and Dark Green
Care of Common Comfrey and Red Alder
Care of Common Comfrey and Red Alder include pruning, fertilizers, watering etc. Common Comfrey pruning is done Remove damaged leaves, Remove dead branches and Remove dead leaves and Red Alder pruning is done Remove damaged leaves, Remove dead branches and Remove dead leaves. In summer Common Comfrey needs Average Water and in winter, it needs Average Water. Whereas, in summer Red Alder needs Lots of watering and in winter, it needs Average Water.