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Citron
Citron

Blue Oak
Blue Oak



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What is

Life Span

Perennial
Perennial

Type

Fruit
Tree

Origin

Southern Asia, India, Melanesia, Australia
United States, California

Types

etrog
-

Number of Varieties

58
0 40000
👆🏻

Habitat

Mediterranean region, Subtropical climates, Tropical regions
Woodland Garden Canopy

USDA Hardiness Zone

9-116-9
0 99
👆🏻

AHS Heat Zone

12-9
9-1

Sunset Zone

H1, H2, 8, 9, 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

Oval or Rounded
Spreading

Information

Plant Size

Minimum Height

240.00 cm1,520.00 cm
0 3900
👆🏻

Minimum Width

180.00 cm1,370.00 cm
0 6350
👆🏻

Plant Color

Flower Color

White, Purple
Red, Yellow green

Flower Color Modifier

Bicolor
Bicolor

Fruit Color

Yellow
-

Leaf Color in Spring

Green, Dark Green
Green, Blue Green

Leaf Color in Summer

Green, Dark Green
Green, Blue Green

Leaf Color in Fall

Green, Dark Green
Yellow, Orange, Pink

Leaf Color in Winter

Light Green
-

Shape

Leaf Shape

Ovate elongated
Irregular

Thorns

Season

Plant Season

Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter

Growing Conditions

Sunlight

Full Sun, Partial Sun
Full Sun, Partial Sun

Growth Rate

Medium
Slow

Type of Soil

Clay, Loam, Sand
-

The pH of Soil

Acidic, Neutral
-

Soil Drainage

Well drained
-

Bloom Time

Early Spring, Spring, Winter, Late Winter, Indeterminate
Spring

Repeat Bloomer

Tolerances

Drought
Drought

Care

Where to Plant?

Ground
Ground

How to Plant?

Seedlings, Transplanting
Seedlings

Plant Maintenance

Medium
Medium

Watering Plants

Watering Requirements

Needs less watering
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
-

Soil Type

Clay, Loam, Sand
-

Soil Drainage Capacity

Well drained
-

Sun Exposure

Full Sun, Partial Sun
Full Sun, Partial Sun

Pruning

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
All-Purpose Liquid Fertilizer

Pests and Diseases

Aphids, Citrus foot rot, Leafminers, Red blotch
Red blotch

Plant Tolerance

Drought
Drought

Facts

Flowers

Showy
Insignificant

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
Medium

Foliage Sheen

Glossy
-

Evergreen

Invasive

Self-Sowing

Attracts

Birds, Butterflies
Birds

Allergy

Mild Allergen
Pollen

Benefits

Uses

Aesthetic Uses

Showy Purposes
Borders

Beauty Benefits

Brightens the skin complexion, Good for skin and hair
-

Edible Uses

Environmental Uses

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

Plant Benefits

Medicinal Uses

Antibiotic, Antidote, Pulmonary afflictions, Recovering internal injuries
Astringent, Diarrhea, Dysentry, Haemorrhages, Poultice, Sore Eyes, Sore throat

Part of Plant Used

Fruits, Leaves
Leaves, Seeds, Wood

Other Uses

Used as a nutritious food item, Used As Food, Used for its medicinal properties
Adhesive, Basketary, Buttons, Repellent, Tannin, Used as fuel, Used for woodware

Used As Indoor Plant

Used As Outdoor Plant

Garden Design

Container, Edible, Feature Plant, Fruit / Fruit Tree, Hedges, Houseplant, Shade Trees, Topiary / Bonsai / Espalier, Tropical
Feature Plant, Shade Trees, Street Trees

Scientific Name

Botanical Name

CITRUS medica
QUERCUS douglasii

Common Name

Citron
Blue Oak

In Hindi

नीबू
Blue Oak Tree

In German

Zitrone
Blaue Eiche

In French

Citron
Bleu Oak Tree

In Spanish

Cidra
Azul del árbol de roble

In Greek

Κίτρο
Μπλε Oak Tree

In Portuguese

cidra
Carvalho azul

In Polish

Cytryna
Niebieski Oak Tree

In Latin

Chron
Blue quercum ligno

Classification

Kingdom

Plantae
Plantae

Phylum

Magnoliophyta
Magnoliophyta

Class

Magnoliopsida
Magnoliopsida

Order

Sapindales
Fagales

Family

Rutaceae
Fagaceae

Genus

Citrus
Quercus

Clade

Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids

Tribe

Citreae
-

Subfamily

Aurantioideae
-

Number of Species

720
1 27800
👆🏻

Difference Between Citron and Blue Oak

If you are confused whether Citron 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 Citron and Blue Oak Information and learn more about it. Fertilizers required for proper growth of Citron are All-Purpose Liquid Fertilizer, whereas for Blue Oak fertilizers required are All-Purpose Liquid Fertilizer. Hence, one should know the basic difference between Citron and Blue Oak if you are planning to have them in your garden to enhance its beauty.

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Importance of Citron and Blue Oak

Want to have the most appropriate plant for your garden? You might want to know the importance of Citron and Blue Oak. Basically, these two plants vary in many aspects. Compare Citron 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 Citron is Antibiotic, Antidote, Pulmonary afflictions and Recovering internal injuries whereas of Blue Oak is Astringent, Diarrhea, Dysentry, Haemorrhages, Poultice, Sore Eyes and Sore throat. Citron has beauty benefits as follows: Brightens the skin complexion and Good for skin and hair while Blue Oak has beauty benefits as follows: Brightens the skin complexion and Good for skin and hair.

Compare Facts of Citron 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 Citron 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 Citron are Mild Allergen whereas of Blue Oak have Pollen respectively. Having a fruit bearing plant in your garden can be a plus point of your garden. Citron has showy fruits and Blue Oak has showy fruits. Also Citron is not flowering and Blue Oak is not flowering . You can compare Citron and Blue Oak facts and facts of other plants too.