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
Number of Varieties
2-
0
40000
👆🏻
Habitat
Cold Regions, stream banks
Ridges, Valley, Wide range of ecological site
USDA Hardiness Zone
6-114-9
0
99
👆🏻
AHS Heat Zone
-
8-1
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
Plant Size
Minimum Height
20.00 cm1,520.00 cm
0
3900
👆🏻
Minimum Width
90.00 cm1,520.00 cm
0
6350
👆🏻
Plant Color
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
-
Shape
Leaf Shape
Oval
Spreading mass
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun
Growth Rate
Medium
Slow
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
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
-
Where to Plant?
Container, Ground
Ground
How to Plant?
Root Division, Transplanting
Seedlings
Plant Maintenance
Low
Medium
Watering Plants
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
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
-
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Medium
Coarse
Foliage Sheen
Glossy
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
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
Uses
Aesthetic Uses
Cottage Garden, Showy Purposes
Showy Purposes
Beauty Benefits
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Fixes Nitrogen
Air purification, Food for animals, Shelter for wildlife
Plant Benefits
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
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
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
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Lamiales
Fagales
Family
Boraginaceae
Fagaceae
Genus
Symphytum
Quercus
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
Boraginoideae
-
Number of Species
35600
1
27800
👆🏻