Life Span
Perennial
Perennial
Type
Tree
Broadleaf Evergreen
Origin
North America, Canada
Europe, Russia
Types
Celtis africana, Celtis australis, Celtis bungeana
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Number of Varieties
702
0
40000
👆🏻
Habitat
bottomlands, limestone outcrops
Cold Regions, stream banks
USDA Hardiness Zone
2-96-11
0
99
👆🏻
AHS Heat Zone
9-1
-
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
21,22
Habit
Spreading
Upright/Erect
Plant Size
Minimum Height
1,220.00 cm20.00 cm
0
3900
👆🏻
Minimum Width
1,220.00 cm90.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Green
White, Light Pink
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Purple
Orange Red
Leaf Color in Spring
Light Green
Red, Green, Copper
Leaf Color in Summer
Dark Green
Green, Blue Green
Leaf Color in Fall
Light Yellow
Green, Blue Green
Leaf Color in Winter
-
Red, Dark Green, Burgundy, Bronze
Shape
Leaf Shape
Toothed
Oval
Thorns
✔
✘
✔
✘
Plant Season
Fall
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Medium
Medium
Type of Soil
Clay, Loam
Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Average
Well drained
Bloom Time
Spring
Late Spring, Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought, Heat Tolerance, Salt, Shade areas
-
Where to Plant?
Ground
Container, Ground
How to Plant?
Grafting, Seedlings
Root Division, Transplanting
Plant Maintenance
Medium
Low
Watering Plants
Watering Requirements
Needs 2-3 times watering per week
Allow to dry out slightly between watering, Water daily during growing season
In Summer
Average Water
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Type
Clay, Loam
Loam, Sand
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun
Full Sun, Partial Sun, Partial shade
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove tight V-branching crotches
Cut or pinch the stems, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer, Apply 10-10-10 amount, organic fertlizers
14-14-14 Fertilizer, All-Purpose Liquid Fertilizer, can go long without fertilizers
Pests and Diseases
Black sooty mold, Fungal Diseases, Powdery mildew, Red blotch, woolly aphid
Aphids, Stem spot
Plant Tolerance
Shade areas
Shallow soil, Sun
Flowers
Insignificant
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
Medium
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
Sometimes
Sometimes
Self-Sowing
✔
✘
✔
✘
Attracts
Birds, Insects
Ants, Butterflies, pollinators
Allergy
-
Antibacterial, Peripheral Edema
Uses
Aesthetic Uses
-
Cottage Garden, Showy Purposes
Beauty Benefits
Slow downs aging
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
Edible Uses
✔
✘
✔
✘
Environmental Uses
Food for animals, Food for birds
Air purification, Fixes Nitrogen
Plant Benefits
Medicinal Uses
Colic, Diarrhea, Dysentry, Menstrual Disorders, Sore throat
Asthma, Diarrhea, Obesity, Osteoarthritis
Part of Plant Used
Fruits, Pulp, Seeds, Wood
Leaves, Twigs
Other Uses
Food for animals, Used as a nutritious food item
Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Screening / Wind Break, Shade Trees, Street Trees
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Botanical Name
CELTIS occidentalis
Symphytum asperum
Common Name
Common Hackberry, Hackberry
Comfrey,Black Root, Blackwort, Bruisewort
In Hindi
HACKBERRY
Blackwort
In German
Hackberry
Blackwort
In French
micocoulier
Blackwort
In Spanish
almez
Blackwort
In Greek
hackberry
Blackwort
In Portuguese
hackberry
Blackwort
In Polish
hackberry
Blackwort
In Latin
Hackberry
Blackwort
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Urticales
Lamiales
Family
Ulmaceae
Boraginaceae
Genus
Celtis
Symphytum
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
-
Boraginoideae
Number of Species
7035
1
27800
👆🏻