Life Span
Perennial
Perennial
Type
Broadleaf Evergreen
Tree
Origin
Europe, Russia
Northeastern United States, Mid-Atlantic United States, Southeastern United States, Central United States
Types
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Ardis, Arnold, Aureomarginatum
Number of Varieties
23
0
40000
👆🏻
Habitat
Cold Regions, stream banks
Bluffs, low mountains, Moist Soils, Woodlands
USDA Hardiness Zone
6-115-9
0
99
👆🏻
AHS Heat Zone
-
9-2
Sunset Zone
21,22
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23
Habit
Upright/Erect
Pyramidal
Plant Size
Minimum Height
20.00 cm1,830.00 cm
0
3900
👆🏻
Minimum Width
90.00 cm1,070.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Light Pink
Orange, Light Yellow
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Orange Red
Lime Green, Brown
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, Light Yellow, Yellow green
Leaf Color in Winter
Red, Dark Green, Burgundy, Bronze
-
Shape
Leaf Shape
Oval
Irregular
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Growth Rate
Medium
Medium
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
Late Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Soil Compaction
Where to Plant?
Container, Ground
Ground
How to Plant?
Root Division, Transplanting
Seedlings
Plant Maintenance
Low
Low
Watering Plants
Watering Requirements
Allow to dry out slightly between watering, Water daily during growing season
Do Not over Water, Keep the ground moist but not water-logged, Requires regular watering
In Summer
Lots of watering
Ample Water
In Spring
Moderate
Moderate
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, Partial Sun
Pruning
Cut or pinch the stems, Remove dead leaves
Prune ocassionally, Remove dead branches
Fertilizers
14-14-14 Fertilizer, All-Purpose Liquid Fertilizer, can go long without fertilizers
All-Purpose Liquid Fertilizer, fertilize in spring, Fertilize the soil instead of direct applying, Mulch
Pests and Diseases
Aphids, Stem spot
fusarium canker, nectria canker, yellow-poplar weevil
Plant Tolerance
Shallow soil, Sun
Soil Compaction
Flowers
Showy
Showy
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
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Ants, Butterflies, pollinators
Birds
Allergy
Antibacterial, Peripheral Edema
-
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
Shadow Tree, Shelter for wildlife
Plant Benefits
Medicinal Uses
Asthma, Diarrhea, Obesity, Osteoarthritis
Arthritis, Digestion problems, Fever, Inflammation, Wounds
Part of Plant Used
Leaves, Twigs
Whole plant
Other Uses
Used for its medicinal properties
Food for animals, Grown for shade, Used as Ornamental plant, Used in Furniture
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Feature Plant, Shade Trees, Street Trees
Botanical Name
Symphytum asperum
LIRIODENDRON tulipifera
Common Name
Comfrey,Black Root, Blackwort, Bruisewort
Tulip Poplar, Yellow Poplar
In Hindi
Blackwort
ट्यूलिप पेड़
In German
Blackwort
Tulpenbaum
In French
Blackwort
tulipier
In Spanish
Blackwort
árbol de tulipán
In Greek
Blackwort
δέντρο τουλίπα
In Portuguese
Blackwort
árvore de tulipa
In Polish
Blackwort
tulipanowiec
In Latin
Blackwort
Tulipa arbore
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Tracheophyta
Class
Magnoliopsida
Magnoliopsida
Order
Lamiales
Magnoliales
Family
Boraginaceae
Magnoliaceae
Genus
Symphytum
Liriodendron
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Magnoliids
Tribe
-
-
Subfamily
Boraginoideae
-
Number of Species
352
1
27800
👆🏻