Life Span
Perennial
Perennial
Type
Perennial
Tree
Origin
North America, Northern Europe, Russia, Siberia
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
-
Juglans nigra
Number of Varieties
110
0
40000
👆🏻
Habitat
Open areas, pine woods
bottomlands, Moist woods
USDA Hardiness Zone
2-64-9
0
99
👆🏻
AHS Heat Zone
6-1
9-3
Sunset Zone
A1, A2, A3, 1a, 1b, 2a, 2b, 4, 5, 6, 14, 15, 16, 17
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21
Habit
Mat-forming
Oval or Rounded
Plant Size
Minimum Height
510.00 cm1,830.00 cm
0
3900
👆🏻
Minimum Width
30.00 cm1,830.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Light Pink
Yellow green
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Green, Chocolate
Leaf Color in Spring
Green
Green
Leaf Color in Summer
Green
Green, Dark Green
Leaf Color in Fall
Green
Yellow, Dark Green, Yellow green, Gold
Leaf Color in Winter
Light Green
-
Shape
Leaf Shape
Oval
Pinnate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer
Spring, Summer, Fall
Growing Conditions
Sunlight
Partial Sun, Partial shade
Full Sun
Growth Rate
Fast
Medium
Type of Soil
Loam
Clay, Loam, Sand
The pH of Soil
Acidic
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Spring, Early Summer
Late Spring, Early Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
-
Where to Plant?
Ground
Ground
How to Plant?
Divison, Seedlings
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs
Average Water Needs, Requires regular watering
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic
Acidic, Neutral
Soil Type
Loam
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Partial Sun, Partial shade
Full Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Prune in early spring, Prune when plant is dormant, Remove branches, Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts
Fertilizers
All-Purpose Liquid Fertilizer
Apply NPK fertilizer at the ratio of 6-24-24
Pests and Diseases
Red blotch
Red blotch
Plant Tolerance
Drought
-
Flowers
✔
✘
✔
✘
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
Bees, Flies, Insects
Birds, Butterflies
Allergy
-
Anaphylaxis, Toxic
Uses
Aesthetic Uses
Ground Cover
-
Beauty Benefits
-
Good for skin
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification, Shadow Tree
Plant Benefits
Medicinal Uses
Headache, Mildly painful menstruation, tonic in pregnancy
Cancer, Coronary diseases, Cures constipation, Diarrhea, Diphtheria, High cholestrol, Immunity, Intestinal worms, Leukemia, Skin wounds, Sore throat, Syphilis, Use as a gargle
Part of Plant Used
Leaves
Fruits
Other Uses
useful as a ground cover
Used As Food, Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Edging, Groundcover, Wildflower
Feature Plant, Shade Trees
Botanical Name
LINNAEA borealis
JUGLANS nigra
Common Name
Twinflower
Black Walnut
In Hindi
Twinflower
काले अखरोट के पेड़
In German
Twinflower
Schwarz Walnussbaum
In French
Twinflower
Noir noyer
In Spanish
Twinflower
nogal negro
In Greek
Twinflower
Μαύρη καρυδιά
In Portuguese
Twinflower
nogueira preta
In Polish
zimoziół
Czarny orzech drzewo
In Latin
Twinflower
Niger walnut tree
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Dipsacales
Juglandales
Family
Caprifoliaceae
Juglandaceae
Genus
Linnaea
Juglans
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
Linnaeeae
Juglandeae
Subfamily
Linnaeoideae
Juglandinae
Number of Species
116
1
27800
👆🏻