Life Span
Perennial
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
Europe, Asia
Types
Juglans nigra
Blue Oat grass
Habitat
bottomlands, Moist woods
Cropland, gardens, Grassland, Roadsides
USDA Hardiness Zone
4-9
4-9
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 15, 16, 17, 23, 24
Habit
Oval or Rounded
Clump-Forming
Flower Color
Yellow green
Brown
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Green, Chocolate
Brown
Leaf Color in Spring
Green
Gray Green
Leaf Color in Summer
Green, Dark Green
Light Green
Leaf Color in Fall
Yellow, Dark Green, Yellow green, Gold
Dark Green
Leaf Color in Winter
-
Tan, Brown
Leaf Shape
Pinnate
Grass like
Plant Season
Spring, Summer, Fall
-
Sunlight
Full Sun
Full Sun, Partial Sun
Growth Rate
Medium
Medium
Type of Soil
Clay, Loam, Sand
Loam
The pH of Soil
Acidic, Neutral
Acidic, Neutral
Soil Drainage
Well drained
Average
Bloom Time
Late Spring, Early Summer
Early Summer
Where to Plant?
Ground
Ground
How to Plant?
Seedlings
Seedlings
Plant Maintenance
Medium
Medium
Watering Requirements
Average Water Needs, Requires regular watering
Does not require lot of watering, Water occasionally
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Acidic, Neutral
Acidic, Neutral
Soil Type
Clay, Loam, Sand
Loam
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
Flower Petal Number
-
Single
Fragrant Bark/Stem
Yes
No
Foliage Sheen
Glossy
Matte
Attracts
Birds, Butterflies
-
Allergy
Anaphylaxis, Toxic
Asthma, Itchy eyes
Beauty Benefits
Good for skin
-
Environmental Uses
Air purification, Shadow Tree
Air purification
Medicinal Uses
Cancer, Coronary diseases, Cures constipation, Diarrhea, Diphtheria, High cholestrol, Immunity, Intestinal worms, Leukemia, Skin wounds, Sore throat, Syphilis, Use as a gargle
Arthritis, Headache, Stomach pain
Part of Plant Used
Fruits
Whole plant
Other Uses
Used As Food, Used as Ornamental plant
Used as a nutritious food item
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Feature Plant, Shade Trees
Bedding Plant, Feature Plant, Groundcover
Botanical Name
JUGLANS nigra
ARRHENATHERUM
Common Name
Black Walnut
Oatgrass
In Hindi
काले अखरोट के पेड़
जई घास
In German
Schwarz Walnussbaum
Ährengras
In French
Noir noyer
Folle avoine
In Spanish
nogal negro
oat Grass
In Greek
Μαύρη καρυδιά
βρώμη Grass
In Portuguese
nogueira preta
aveia-
In Polish
Czarny orzech drzewo
Owies trawa
In Latin
Niger walnut tree
oat Grass
Class
Magnoliopsida
Liliopsida
Family
Juglandaceae
Poaceae
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Commelinids, Monocots
Subfamily
Juglandinae
Danthonioideae
Season and Care of Black Walnut and Oatgrass
Season and care of Black Walnut and Oatgrass is important to know. While considering everything about Black Walnut and Oatgrass Care, growing season is an essential factor. Black Walnut season is Spring, Summer and Fall and Oatgrass season is Spring, Summer and Fall. The type of soil for Black Walnut is Clay, Loam, Sand and for Oatgrass is Loam while the PH of soil for Black Walnut is Acidic, Neutral and for Oatgrass is Acidic, Neutral.
Black Walnut and Oatgrass Physical Information
Black Walnut and Oatgrass physical information is very important for comparison. Black Walnut height is 1,830.00 cm and width 1,830.00 cm whereas Oatgrass height is 20.50 cm and width 30.50 cm. The color specification of Black Walnut and Oatgrass are as follows:
Black Walnut flower color: Yellow green
Black Walnut leaf color: Green
Oatgrass flower color: Brown
- Oatgrass leaf color: Gray Green
Care of Black Walnut and Oatgrass
Care of Black Walnut and Oatgrass include pruning, fertilizers, watering etc. Black Walnut pruning is done Prune in early spring, Prune when plant is dormant, Remove branches, Remove damaged leaves, Remove dead branches, Remove dead leaves and Remove dead or diseased plant parts and Oatgrass pruning is done Remove damaged leaves, Remove dead branches and Remove dead leaves. In summer Black Walnut needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Oatgrass needs Lots of watering and in winter, it needs Average Water.