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)
Quercus alba, Quercus garryana
Habitat
Cold Regions, stream banks
Ridges, Valley, Wide range of ecological site
USDA Hardiness Zone
6-11
4-9
Sunset Zone
21,22
7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
Habit
Upright/Erect
Oval or Rounded
Flower Color
White, Light Pink
Red, Light Green, Chartreuse
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Orange Red
Brown
Leaf Color in Spring
Red, Green, Copper
Green, Light Green, Pink
Leaf Color in Summer
Green, Blue Green
Dark Green
Leaf Color in Fall
Green, Blue Green
Red, Crimson, Dark Red
Leaf Color in Winter
Red, Dark Green, Burgundy, Bronze
-
Leaf Shape
Oval
Spreading mass
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun
Type of Soil
Loam, Sand
Clay, Loam
The pH of Soil
Acidic, Neutral
Acidic, Neutral
Soil Drainage
Well drained
Average
Bloom Time
Late Spring, Early Summer, Summer
Spring, Late Spring
Where to Plant?
Container, Ground
Ground
How to Plant?
Root Division, Transplanting
Seedlings
Plant Maintenance
Low
Medium
Watering Requirements
Allow to dry out slightly between watering, Water daily during growing season
Requires watering in the growing season
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Ample Water
In Winter
Average Water
Average Water
Soil pH
Acidic, Neutral
Acidic, Neutral
Soil Type
Loam, Sand
Clay, Loam
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun
Pruning
Cut or pinch the stems, Remove dead leaves
Remove dead or diseased plant parts, Remove short twigs
Fertilizers
14-14-14 Fertilizer, All-Purpose Liquid Fertilizer, can go long without fertilizers
fertilize every 2-3 weeks while growing, fertilize in growing season
Pests and Diseases
Aphids, Stem spot
Aphids, Borers, Caterpillars, Citrus leaf miner, Galls, Red blotch, Scale
Plant Tolerance
Shallow soil, Sun
-
Flowers
Showy
Insignificant
Flower Petal Number
Single
-
Foliage Texture
Medium
Coarse
Foliage Sheen
Glossy
Glossy
Attracts
Ants, Butterflies, pollinators
Birds
Allergy
Antibacterial, Peripheral Edema
Asthma, breathing problems, Itchy eyes, Rhinitis, Runny nose, sneezing, Sore eyes, Throat itching, Watery eyes, Whooping Cough
Aesthetic Uses
Cottage Garden, Showy Purposes
Showy Purposes
Beauty Benefits
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
-
Environmental Uses
Air purification, Fixes Nitrogen
Air purification, Food for animals, Shelter for wildlife
Medicinal Uses
Asthma, Diarrhea, Obesity, Osteoarthritis
anti-inflammatory, Antiseptic, Astringent, Diarrhea, Diuretic, gallstones, Kidney Stones
Part of Plant Used
Leaves, Twigs
Whole plant
Other Uses
Used for its medicinal properties
Application in Furniture, Basketary, Grown for shade, Used As Food, Used as Ornamental plant, Used for woodware
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Feature Plant, Shade Trees
Botanical Name
Symphytum asperum
QUERCUS alba
Common Name
Comfrey,Black Root, Blackwort, Bruisewort
White Oak
In Hindi
Blackwort
सफेद ओक
In German
Blackwort
weiße Eiche
In French
Blackwort
chêne blanc
In Spanish
Blackwort
roble blanco
In Greek
Blackwort
White Oak
In Portuguese
Blackwort
Carvalho branco
In Polish
Blackwort
biały dąb
In Latin
Blackwort
Quercus alba
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Family
Boraginaceae
Fagaceae
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Subfamily
Boraginoideae
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Season and Care of Comfrey and White Oak
Season and care of Comfrey and White Oak is important to know. While considering everything about Comfrey and White Oak Care, growing season is an essential factor. Comfrey season is Spring, Summer, Fall and Winter and White Oak season is Spring, Summer, Fall and Winter. The type of soil for Comfrey is Loam, Sand and for White Oak is Clay, Loam while the PH of soil for Comfrey is Acidic, Neutral and for White Oak is Acidic, Neutral.
Comfrey and White Oak Physical Information
Comfrey and White Oak physical information is very important for comparison. Comfrey height is 20.00 cm and width 90.00 cm whereas White Oak height is 1,520.00 cm and width 1,520.00 cm. The color specification of Comfrey and White Oak are as follows:
Comfrey flower color: White and Light Pink
Comfrey leaf color: Red, Green and Copper
White Oak flower color: Red, Light Green and Chartreuse
- White Oak leaf color: Green, Light Green and Pink
Care of Comfrey and White Oak
Care of Comfrey and White Oak include pruning, fertilizers, watering etc. Comfrey pruning is done Cut or pinch the stems and Remove dead leaves and White Oak pruning is done Remove dead or diseased plant parts and Remove short twigs. In summer Comfrey needs Lots of watering and in winter, it needs Average Water. Whereas, in summer White Oak needs Lots of watering and in winter, it needs Average Water.