Blue Oak

Black Locust

About Blue Oak and Black Locust

Blue Oak

Black Locust

Add ⊕

What is

Life Span

Perennial

Type

Tree

Origin

United States, California

Types

Honey Locust

Number of Varieties

810

0 40000

👆🏻

Habitat

Woodland Garden Canopy

USDA Hardiness Zone

6-95-8

0 99

👆🏻

AHS Heat Zone

9-1

9-3

Sunset Zone

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

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

Habit

Spreading

Upright/Erect

Information

Plant Size

Minimum Height

1,520.00 cm1,524.00 cm

0 3900

👆🏻

Minimum Width

1,370.00 cm1,066.80 cm

0 6350

👆🏻

Plant Color

Flower Color

Red, Yellow green

Rose, Violet

Flower Color Modifier

Bicolor

Fruit Color

Purple, Brown

Leaf Color in Spring

Green, Blue Green

Red, Crimson, Bronze

Leaf Color in Summer

Green, Blue Green

Leaf Color in Fall

Yellow, Orange, Pink

Yellow green

Leaf Color in Winter

Shape

Leaf Shape

Irregular

Pinnate

Thorns

✔ ✘

Season

Plant Season

Spring, Summer, Fall, Winter

Growing Conditions

Sunlight

Full Sun, Partial Sun

Full Sun

Growth Rate

Slow

Fast

Type of Soil

Clay, Loam, Sand

The pH of Soil

Acidic, Neutral, Alkaline

Soil Drainage

Average

Bloom Time

Spring

Spring, Late Spring

Repeat Bloomer

✔ ✘

Tolerances

Drought

Pollution, Drought, Salt, Soil Compaction

Care

Where to Plant?

Ground

How to Plant?

Seedlings

Plant Maintenance

Medium

Watering Plants

Watering Requirements

Average Water Needs

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

In Summer

Lots of watering

In Spring

Moderate

In Winter

Average Water

Soil

Soil pH

Acidic, Neutral, Alkaline

Soil Type

Clay, Loam, Sand

Soil Drainage Capacity

Average

Sun Exposure

Full Sun, Partial Sun

Full Sun

Pruning

Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts

Cut limbs, Prune in winter, Prune up lowest branches, Remove branches, Remove damaged leaves, Remove dead branches, Remove dead leaves

Fertilizers

All-Purpose Liquid Fertilizer

All-Purpose Liquid Fertilizer, Nitrogen

Pests and Diseases

Red blotch

Plant Tolerance

Drought

Drought, Pollution, Salt, Soil Compaction

Facts

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

Foliage Sheen

Matte

Evergreen

✔ ✘

Invasive

✔ ✘

Self-Sowing

✔ ✘

Attracts

Birds

Birds, Butterflies

Allergy

Pollen

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

Benefits

Uses

Aesthetic Uses

Borders

Showy Purposes

Beauty Benefits

Good for skin

Edible Uses

✔ ✘

Environmental Uses

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

Air purification, Shadow Tree, soil stabilisation

Plant Benefits

Medicinal Uses

Astringent, Diarrhea, Dysentry, Haemorrhages, Poultice, Sore Eyes, Sore throat

Antispasmodic, Antivinous, Cancer, Cholagogue, Diuretic, Emetic, Emmoiliant, Eye Problems, Febrifuge, Laxative, Purgative, Tonic

Part of Plant Used

Leaves, Seeds, Wood

Flowers, Seeds, Wood

Other Uses

Adhesive, Basketary, Buttons, Repellent, Tannin, Used as fuel, Used for woodware

Fibre, For making oil, Used as a dye, Used as essential oil, Used as fuel, Used for woodware

Used As Indoor Plant

✔ ✘

Used As Outdoor Plant

✔ ✘

Garden Design

Feature Plant, Shade Trees, Street Trees

Scientific Name

Botanical Name

QUERCUS douglasii

ROBINIA 'Purple Robe'

Common Name

Blue Oak

Hybrid Black Locust, Purple Robe Locust

In Hindi

Blue Oak Tree

Black Locust Tree

In German

Blaue Eiche

Schwarz Locust Tree

In French

Bleu Oak Tree

Noir Arbre Locust

In Spanish

Azul del árbol de roble

Negro del árbol de la langosta

In Greek

Μπλε Oak Tree

Μαύρο Locust Tree

In Portuguese

Carvalho azul

Árvore Locust Preto

In Polish

Niebieski Oak Tree

Robinii akacjowej Drzewo

In Latin

Blue quercum ligno

Locusta arbor Niger

Classification

Kingdom

Plantae

Phylum

Magnoliophyta

Class

Magnoliopsida

Order

Fagales

Fabales

Family

Fagaceae

Fabaceae

Genus

Quercus

Robinia

Clade

Angiosperms, Eudicots, Rosids

Tribe

Robinieae

Subfamily

Faboideae

Number of Species

2025

1 27800

👆🏻

Properties of Blue Oak and Black Locust

Wondering what are the properties of Blue Oak and Black Locust? We provide you with everything About Blue Oak and Black Locust. Blue Oak doesn't have thorns and Black Locust doesn't have thorns. Also Blue Oak does not have fragrant flowers. Blue Oak has allergic reactions like Pollen and Black Locust has allergic reactions like Pollen. Compare all the properties and characteristics of these two plants. Find out which of these plant can be used as indoor plant. If you are interested to decorate your house and garden, find out aesthetic uses, compare them and select the plant which will beautify your surrounding. Along with beautification, try comparing medicinal and edible uses of Blue Oak and Black Locust and you can choose the plant having best and most benefits.

Compare List of Trees » More

Blue Oak and Water Oak

Blue Oak and Blackjack Oak

Blue Oak and Valley Oak

» More Compare List of Trees

Season and Care of Blue Oak and Black Locust

Season and care of Blue Oak and Black Locust is important to know. While considering everything about Blue Oak and Black Locust Care, growing season is an essential factor. Blue Oak season is Spring, Summer, Fall and Winter and Black Locust season is Spring, Summer, Fall and Winter. The type of soil for Blue Oak is and for Black Locust is Clay, Loam, Sand while the PH of soil for Blue Oak is and for Black Locust is Acidic, Neutral, Alkaline.

Blue Oak and Black Locust Physical Information

Blue Oak and Black Locust physical information is very important for comparison. Blue Oak height is 1,520.00 cm and width 1,370.00 cm whereas Black Locust height is 1,524.00 cm and width 1,066.80 cm. The color specification of Blue Oak and Black Locust are as follows:

Blue Oak flower color: Red and Yellow green
Blue Oak leaf color: Green and Blue Green
Black Locust flower color: Rose and Violet
Black Locust leaf color: Red, Crimson and Bronze

Care of Blue Oak and Black Locust

Care of Blue Oak and Black Locust include pruning, fertilizers, watering etc. Blue Oak pruning is done Remove damaged leaves, Remove dead branches, Remove dead leaves and Remove dead or diseased plant parts and Black Locust pruning is done Cut limbs, Prune in winter, Prune up lowest branches, Remove branches, Remove damaged leaves, Remove dead branches and Remove dead leaves. In summer Blue Oak needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Black Locust needs Lots of watering and in winter, it needs Average Water.