Life Span
Perennial
Annual and Perennial
Type
Tree
Tender Perennial
Origin
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
Mexico, Central America
Types
Juglans nigra
A. houstonianum f. isochroum, A. houstonianum f. luteum, A. houstonianum var. muticescens
Number of Varieties
106
0
40000
👆🏻
Habitat
bottomlands, Moist woods
Sunny Edge, Woodland Garden
USDA Hardiness Zone
4-910-13
0
99
👆🏻
AHS Heat Zone
9-3
12-1
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21
A1, A2, A3, H1, H2, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 20, 21, 22, 23, 24
Habit
Oval or Rounded
Cushion/Mound-forming
Plant Size
Minimum Height
1,830.00 cm30.00 cm
0
3900
👆🏻
Minimum Width
1,830.00 cm30.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow green
White, Blue, Blue Violet
Flower Color Modifier
Bicolor
-
Fruit Color
Green, Chocolate
Brown
Leaf Color in Spring
Green
Green
Leaf Color in Summer
Green, Dark Green
Green
Leaf Color in Fall
Yellow, Dark Green, Yellow green, Gold
Green
Leaf Color in Winter
-
Green
Shape
Leaf Shape
Pinnate
Heart-shaped
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun
Full Sun, Partial Sun
Growth Rate
Medium
Fast
Type of Soil
Clay, Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Average
Bloom Time
Late Spring, Early Summer
Indeterminate
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
Seedlings
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Requires regular watering
Keep ground moist, Keep the Soil well drained
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Type
Clay, Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun
Full Sun, Partial Sun
Pruning
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
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
Apply NPK fertilizer at the ratio of 6-24-24
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Red blotch
Plant Tolerance
-
Drought
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
Coarse
Medium
Foliage Sheen
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds, Butterflies
Birds, Butterflies
Allergy
Anaphylaxis, Toxic
allergic reaction, Poisonous, Skin irritation
Uses
Aesthetic Uses
-
Showy Purposes
Beauty Benefits
Good for skin
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Shadow Tree
Air purification
Plant Benefits
Medicinal Uses
Cancer, Coronary diseases, Cures constipation, Diarrhea, Diphtheria, High cholestrol, Immunity, Intestinal worms, Leukemia, Skin wounds, Sore throat, Syphilis, Use as a gargle
Anodyne, Cuts, Wounds
Part of Plant Used
Fruits
Flowers
Other Uses
Used As Food, Used as Ornamental plant
Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees
Bedding Plant, Container, Cutflower, Edging, Hanging Basket, Mixed Border, Tropical
Botanical Name
JUGLANS nigra
AGERATUM houstonianum
Common Name
Black Walnut
Ageratum, Blue Mink, Flossflower
In Hindi
काले अखरोट के पेड़
Blue Mink
Plant
In German
Schwarz Walnussbaum
Blue Mink
Pflanze
In French
Noir noyer
Bleu Mink
Plante
In Spanish
nogal negro
azul Mink
Planta
In Greek
Μαύρη καρυδιά
μπλε βιζόν
Φυτό
In Portuguese
nogueira preta
azul Mink
Plantar
In Polish
Czarny orzech drzewo
niebieski Mink
Roślina
In Latin
Niger walnut tree
blue Mink
planta
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Juglandales
Asterales
Family
Juglandaceae
Asteraceae
Genus
Juglans
Ageratum
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Tribe
Juglandeae
Eupatorieae
Subfamily
Juglandinae
Asteroideae
Number of Species
161
1
27800
👆🏻