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Compare Black Locust and Blue Oak


Blue Oak and Black Locust


What is

Life Span
Perennial  
Perennial  

Type
Tree  
Tree  

Origin
-  
United States, California  

Types
Honey Locust  
-  

Number of Varieties
10  
8  

Habitat
Woodland Garden Canopy  
Woodland Garden Canopy  

USDA Hardiness Zone
5-8  
6-9  

AHS Heat Zone
9-3  
9-1  

Sunset Zone
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  
3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24  

Habit
Upright/Erect  
Spreading  

Information

Plant Size
  
  

Minimum Height
1,524.00 cm  
27
1,520.00 cm  
28

Minimum Width
1,066.80 cm  
20
1,370.00 cm  
12

Plant Color
  
  

Flower Color
Rose, Violet  
Red, Yellow green  

Flower Color Modifier
Bicolor  
Bicolor  

Fruit Color
Purple, Brown  
-  

Leaf Color in Spring
Red, Crimson, Bronze  
Green, Blue Green  

Leaf Color in Summer
Green, Blue Green  
Green, Blue Green  

Leaf Color in Fall
Yellow green  
Yellow, Orange, Pink  

Leaf Color in Winter
-  
-  

Shape
  
  

Leaf Shape
Pinnate  
Irregular  

Thorns
Yes  
No  

Season

Plant Season
Spring, Summer, Fall, Winter  
Spring, Summer, Fall, Winter  

Growing Conditions
  
  

Sunlight
Full Sun  
Full Sun, Partial Sun  

Growth Rate
Fast  
Slow  

Type of Soil
Clay, Loam, Sand  
-  

The pH of Soil
Acidic, Neutral, Alkaline  
-  

Soil Drainage
Average  
-  

Bloom Time
Spring, Late Spring  
Spring  

Repeat Bloomer
No  
No  

Tolerances
Pollution, Drought, Salt, Soil Compaction  
Drought  

Care

Where to Plant?
Ground  
Ground  

How to Plant?
Seedlings  
Seedlings  

Plant Maintenance
Medium  
Medium  

Watering Plants
  
  

Watering Requirements
Average Water Needs, Needs a lot of water initially, occasional watering once established  
Average Water Needs  

In Summer
Lots of watering  
Lots of watering  

In Spring
Moderate  
Moderate  

In Winter
Average Water  
Average Water  

Soil
  
  

Soil pH
Acidic, Neutral, Alkaline  
-  

Soil Type
Clay, Loam, Sand  
-  

Soil Drainage Capacity
Average  
-  

Sun Exposure
Full Sun  
Full Sun, Partial Sun  

Pruning
Cut limbs, Prune in winter, Prune up lowest branches, Remove branches, Remove damaged leaves, Remove dead branches, Remove dead leaves  
Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts  

Fertilizers
All-Purpose Liquid Fertilizer, Nitrogen  
All-Purpose Liquid Fertilizer  

Pests and Diseases
Red blotch  
Red blotch  

Plant Tolerance
Drought, Pollution, Salt, Soil Compaction  
Drought  

Facts

Flowers
Yes  
Insignificant  

Flower Petal Number
Single  
-  

Fruits
  
  

Showy Fruit
No  
Yes  

Edible Fruit
No  
No  

Fragrance
  
  

Fragrant Flower
Yes  
No  

Fragrant Fruit
No  
No  

Fragrant Leaf
No  
No  

Fragrant Bark/Stem
No  
No  

Showy Foliage
Yes  
Yes  

Showy Bark
Yes  
Yes  

Foliage Texture
Medium  
Medium  

Foliage Sheen
Matte  
-  

Evergreen
No  
No  

Invasive
Sometimes  
No  

Self-Sowing
Yes  
Yes  

Attracts
Birds, Butterflies  
Birds  

Allergy
Abdominal pain, Depression, Diarrhea, Digestive Problems, gastro-intestinal problems, Kidney Disease, Liver disease, Nausea, Vomiting, weakness  
Pollen  

Benefits

Uses
  
  

Aesthetic Uses
Showy Purposes  
Borders  

Beauty Benefits
Good for skin  
-  

Edible Uses
Yes  
Yes  

Environmental Uses
Air purification, Shadow Tree, soil stabilisation  
Air purification, Shadow Tree, soil erosion prevension on hill slopes, Wildlife, Windbreak  

Plant Benefits
  
  

Medicinal Uses
Antispasmodic, Antivinous, Cancer, Cholagogue, Diuretic, Emetic, Emmoiliant, Eye Problems, Febrifuge, Laxative, Purgative, Tonic  
Astringent, Diarrhea, Dysentry, Haemorrhages, Poultice, Sore Eyes, Sore throat  

Part of Plant Used
Flowers, Seeds, Wood  
Leaves, Seeds, Wood  

Other Uses
Fibre, For making oil, Used as a dye, Used as essential oil, Used as fuel, Used for woodware  
Adhesive, Basketary, Buttons, Repellent, Tannin, Used as fuel, Used for woodware  

Used As Indoor Plant
No  
No  

Used As Outdoor Plant
Yes  
Yes  

Garden Design
Feature Plant, Shade Trees, Street Trees  
Feature Plant, Shade Trees, Street Trees  

Scientific Name

Botanical Name
ROBINIA 'Purple Robe'  
QUERCUS douglasii  

Common Name
Hybrid Black Locust, Purple Robe Locust  
Blue Oak  

In Hindi
Black Locust Tree  
Blue Oak Tree  

In German
Schwarz Locust Tree  
Blaue Eiche  

In French
Noir Arbre Locust  
Bleu Oak Tree  

In Spanish
Negro del árbol de la langosta  
Azul del árbol de roble  

In Greek
Μαύρο Locust Tree  
Μπλε Oak Tree  

In Portuguese
Árvore Locust Preto  
Carvalho azul  

In Polish
Robinii akacjowej Drzewo  
Niebieski Oak Tree  

In Latin
Locusta arbor Niger  
Blue quercum ligno  

Classification

Kingdom
Plantae  
Plantae  

Phylum
Magnoliophyta  
Magnoliophyta  

Class
Magnoliopsida  
Magnoliopsida  

Order
Fabales  
Fagales  

Family
Fabaceae  
Fagaceae  

Genus
Robinia  
Quercus  

Clade
Angiosperms, Eudicots, Rosids  
Angiosperms, Eudicots, Rosids  

Tribe
Robinieae  
-  

Subfamily
Faboideae  
-  

Number of Species
25  
20  

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Difference Between Black Locust and Blue Oak

If you are confused whether Black Locust or Blue Oak are same, here are some features about those plants to help you choose better. Many people think that these two plants have the same characteristics, but one can see Black Locust and Blue Oak Information and learn more about it. Fertilizers required for proper growth of Black Locust are All-Purpose Liquid Fertilizer and Nitrogen, whereas for Blue Oak fertilizers required are All-Purpose Liquid Fertilizer. Hence, one should know the basic difference between Black Locust and Blue Oak if you are planning to have them in your garden to enhance its beauty.

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Importance of Black Locust and Blue Oak

Want to have the most appropriate plant for your garden? You might want to know the importance of Black Locust and Blue Oak. Basically, these two plants vary in many aspects. Compare Black Locust and Blue Oak 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 Black Locust is Antispasmodic, Antivinous, Cancer, Cholagogue, Diuretic, Emetic, Emmoiliant, Eye Problems, Febrifuge, Laxative, Purgative and Tonic whereas of Blue Oak is Astringent, Diarrhea, Dysentry, Haemorrhages, Poultice, Sore Eyes and Sore throat. Black Locust has beauty benefits as follows: Good for skin while Blue Oak has beauty benefits as follows: Good for skin.

Compare Facts of Black Locust vs Blue Oak

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 Black Locust vs Blue Oak 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 Black Locust are Abdominal pain, Depression, Diarrhea, Digestive Problems, gastro-intestinal problems, Kidney Disease, Liver disease, Nausea, Vomiting and weakness whereas of Blue Oak have Pollen respectively. Having a fruit bearing plant in your garden can be a plus point of your garden. Black Locust has no showy fruits and Blue Oak has showy fruits. Also Black Locust is flowering and Blue Oak is not flowering . You can compare Black Locust and Blue Oak facts and facts of other plants too.

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