Life Span
Perennial
Perennial
Origin
Southern Europe, Russia/Siberia, Mediterranean, Central Asia, Southeastern Asia, China
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
Elaeagnus angustifolia
Juglans nigra
Habitat
fencerows, Forest edges, mine spoils, Old fields, open Woodlands, Pastures, Roadsides, sand dunes
bottomlands, Moist woods
USDA Hardiness Zone
2-8
4-9
Sunset Zone
A2, A3, 1a, 1b, 2a, 2b, 3a, 3b, 7, 8, 9, 10, 11, 12, 13, 14, 18, 19
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21
Habit
Oval or Rounded
Oval or Rounded
Flower Color
White, Yellow green, Silver
Yellow green
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Yellow, Silver
Green, Chocolate
Leaf Color in Spring
Light Green, Gray Green, Silver
Green
Leaf Color in Summer
Light Green, Gray Green, Silver
Green, Dark Green
Leaf Color in Fall
Light Green, Gray Green, Silver
Yellow, Dark Green, Yellow green, Gold
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun
Type of Soil
Clay, Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer
Late Spring, Early Summer
Tolerances
Pollution, Salt, Soil Compaction
-
Where to Plant?
Ground
Ground
How to Plant?
Seedlings, Vegetative Reproduction
Seedlings
Plant Maintenance
Medium
Medium
Watering Requirements
Do not let dry out between waterings, Do Not over Water
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 pH
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Type
Clay, Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun
Pruning
pruning needed for strong structure
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
Canker, fungus, Insects, Leaf spot, Red blotch, Verticillium Wilt
Red blotch
Plant Tolerance
Pollution, Salt, Soil Compaction
-
Flowers
Showy
Insignificant
Flower Petal Number
Single
-
Fragrant Bark/Stem
No
Yes
Foliage Texture
Fine
Coarse
Foliage Sheen
Matte
Glossy
Attracts
Birds
Birds, Butterflies
Allergy
Asthma
Anaphylaxis, Toxic
Aesthetic Uses
Showy Purposes
-
Beauty Benefits
-
Good for skin
Environmental Uses
Wildlife
Air purification, Shadow Tree
Medicinal Uses
-
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
Whole plant
Fruits
Other Uses
Used as Ornamental plant
Used As Food, Used as Ornamental plant
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Feature Plant, Hedges, Mixed Border, Screening / Wind Break, Topiary / Bonsai / Espalier
Feature Plant, Shade Trees
Botanical Name
ELAEAGNUS angustifolia
JUGLANS nigra
Common Name
Russian Olive
Black Walnut
In Hindi
रूस ओलिव
काले अखरोट के पेड़
In German
russische Olive
Schwarz Walnussbaum
In French
Olive russe
Noir noyer
In Spanish
oliva ruso
nogal negro
In Greek
Ρωσική Ελιάς
Μαύρη καρυδιά
In Portuguese
Olive russo
nogueira preta
In Polish
rosyjski Olive
Czarny orzech drzewo
In Latin
Russian Olive
Niger walnut tree
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Rhamnales
Juglandales
Family
Elaeagnaceae
Juglandaceae
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Importance of Russian Olive and Black Walnut
Want to have the most appropriate plant for your garden? You might want to know the importance of Russian Olive and Black Walnut. Basically, these two plants vary in many aspects. Compare Russian Olive and Black Walnut as they differ in many characteristics such as their life, care, benefits, facts, etc. Every gardener must at least have the slightest clue about the plants he wants to plant in his garden. Compare their benefits, which differ in many ways like facts and uses. The medicinal use of Russian Olive is whereas of Black Walnut is Cancer, Coronary diseases, Cures constipation, Diarrhea, Diphtheria, High cholestrol, Immunity, Intestinal worms, Leukemia, Skin wounds, Sore throat, Syphilis and Use as a gargle. Russian Olive has beauty benefits as follows: while Black Walnut has beauty benefits as follows: .
Compare Facts of Russian Olive vs Black Walnut
How to choose the best garden plant for your garden depending upon its facts? Here garden plant comparison will help you to solve this query. Compare the facts of Russian Olive vs Black Walnut and know which one to choose. As garden plants have benefits and other uses, allergy is also a major drawback of plants for some people. Allergic reactions of Russian Olive are Asthma whereas of Black Walnut have Anaphylaxis and Toxic respectively. Having a fruit bearing plant in your garden can be a plus point of your garden. Russian Olive has showy fruits and Black Walnut has showy fruits. Also Russian Olive is not flowering and Black Walnut is not flowering . You can compare Russian Olive and Black Walnut facts and facts of other plants too.