Life Span
Perennial
Perennial
Type
Broadleaf Evergreen
Tree
Origin
Europe, Russia
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, Texas, Canada
Types
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Ash leaves maple, Acer negundo califormicum tehachapi, Acer negundo Flamingo
Habitat
Cold Regions, stream banks
Anthropogenic, Floodplains, Forests, Shores of rivers or lakes, Terrestrial
USDA Hardiness Zone
6-11
2-8
Sunset Zone
21,22
A2, A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Upright/Erect
Oval or Rounded
Flower Color
White, Light Pink
Red, Yellow green, Dark Red
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Orange Red
Green, Tan
Leaf Color in Spring
Red, Green, Copper
Green, Light Green
Leaf Color in Summer
Green, Blue Green
Green
Leaf Color in Fall
Green, Blue Green
Yellow, Yellow green, Brown
Leaf Color in Winter
Red, Dark Green, Burgundy, Bronze
-
Leaf Shape
Oval
Broadly Ovate
Plant Season
Spring, Summer, Fall, Winter
Spring, Fall
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade
Type of Soil
Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Average
Bloom Time
Late Spring, Early Summer, Summer
Early Spring, Spring
Tolerances
-
Wet Site, Pollution, Drought, Soil Compaction
Where to Plant?
Container, Ground
Ground
How to Plant?
Root Division, Transplanting
Rooted stem cutting, Seedlings
Plant Maintenance
Low
Medium
Watering Requirements
Allow to dry out slightly between watering, Water daily during growing season
Average Water Needs, Needs watering once a week
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Type
Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade
Pruning
Cut or pinch the stems, Remove dead leaves
Prune every year, Prune in early spring, Prune in late winter, Remove branches, Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts
Fertilizers
14-14-14 Fertilizer, All-Purpose Liquid Fertilizer, can go long without fertilizers
All-Purpose Liquid Fertilizer
Pests and Diseases
Aphids, Stem spot
Red blotch
Plant Tolerance
Shallow soil, Sun
Drought, Pollution, Soil Compaction, Wet Site
Flower Petal Number
Single
-
Foliage Texture
Medium
Medium
Foliage Sheen
Glossy
Matte
Invasive
Sometimes
Sometimes
Attracts
Ants, Butterflies, pollinators
Aphids, Birds, Squirrels
Allergy
Antibacterial, Peripheral Edema
Asthma, Runny nose, Skin irritation
Aesthetic Uses
Cottage Garden, Showy Purposes
Bonsai
Beauty Benefits
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
-
Environmental Uses
Air purification, Fixes Nitrogen
Air purification, Shadow Tree, Wildlife
Medicinal Uses
Asthma, Diarrhea, Obesity, Osteoarthritis
Antidote, Antiemetic
Part of Plant Used
Leaves, Twigs
Flowers, Fruits, Leaves, Seeds
Other Uses
Used for its medicinal properties
Can be made into a herbal tea, Decoration Purposes, Edible syrup, Used as essential oil, Used As Food, Used as Ornamental plant, Wood log is used in making fences
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Screening / Wind Break
Botanical Name
Symphytum asperum
ACER negundo
Common Name
Comfrey,Black Root, Blackwort, Bruisewort
Ash-Leaved Maple, Boxelder
In Hindi
Blackwort
Boxelder tree
In German
Blackwort
Boxelder Baum
In French
Blackwort
arbre boxelder
In Spanish
Blackwort
árbol boxelder
In Greek
Blackwort
κουφοξυλιά δέντρο
In Portuguese
Blackwort
árvore Boxelder
In Polish
Blackwort
Boxelder drzewo
In Latin
Blackwort
Boxelder ligno
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Lamiales
Sapindales
Family
Boraginaceae
Aceraceae
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Subfamily
Boraginoideae
-
Season and Care of Comfrey and Boxelder
Season and care of Comfrey and Boxelder is important to know. While considering everything about Comfrey and Boxelder Care, growing season is an essential factor. Comfrey season is Spring, Summer, Fall and Winter and Boxelder season is Spring, Summer, Fall and Winter. The type of soil for Comfrey is Loam, Sand and for Boxelder is Clay, Loam, Sand while the PH of soil for Comfrey is Acidic, Neutral and for Boxelder is Acidic, Neutral, Alkaline.
Comfrey and Boxelder Physical Information
Comfrey and Boxelder physical information is very important for comparison. Comfrey height is 20.00 cm and width 90.00 cm whereas Boxelder height is 2,438.40 cm and width 1,524.00 cm. The color specification of Comfrey and Boxelder are as follows:
Comfrey flower color: White and Light Pink
Comfrey leaf color: Red, Green and Copper
Boxelder flower color: Red, Yellow green and Dark Red
- Boxelder leaf color: Green and Light Green
Care of Comfrey and Boxelder
Care of Comfrey and Boxelder include pruning, fertilizers, watering etc. Comfrey pruning is done Cut or pinch the stems and Remove dead leaves and Boxelder pruning is done Prune every year, Prune in early spring, Prune in late winter, Remove branches, Remove damaged leaves, Remove dead branches, Remove dead leaves and Remove dead or diseased plant parts. In summer Comfrey needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Boxelder needs Lots of watering and in winter, it needs Average Water.