Life Span
Perennial
Perennial
Origin
North America, United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, North-Central United States, Central United States, South-Central United States, Canada
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Types
Japanese Evergreen Oak, Sawthorn Oak, Oriental White Oak
Jamaican sweet orange,Citrus maxima
Habitat
Woodland Garden Canopy
Fields, gardens, Moist Soils
USDA Hardiness Zone
4-8
9-11
Sunset Zone
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17
H1, H2, 8, 9, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Upright/Erect
Oval or Rounded
Flower Color
Red, Light Yellow, Yellow green
White
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown, Sandy Brown, Chocolate
Yellow, Light Yellow, Pink
Leaf Color in Spring
Green, Copper
Dark Green
Leaf Color in Summer
Dark Green
Dark Green
Leaf Color in Fall
Orange, Brown, Dark Red
Dark Green
Leaf Color in Winter
-
Dark Green
Leaf Shape
Lobed
Elliptic
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Type of Soil
Clay, Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Drainage
Average
Well drained
Bloom Time
Spring
Early Spring, Spring, Winter, Late Winter
Tolerances
Wet Site, Drought
Light Frost, Sun
Where to Plant?
Ground
Ground
How to Plant?
Seedlings, Transplanting
Grafting
Plant Maintenance
Medium
High
Watering Requirements
Average Water Needs, Keep the ground moist but not water-logged, Needs a lot of water initially, occasional watering once established, Water Deeply
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
Acidic, Neutral, Alkaline
Soil Type
Clay, Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun
Pruning
Remove branches, Remove damaged fruit, Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts, Remove deadheads
Prune ocassionally, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer, High amounts of nutrients, organic fertlizers
10-15-10 amounts, fertilize in growing season
Pests and Diseases
Red blotch
Bud blast, Citrus canker, Red blotch, Scale
Plant Tolerance
Drought, Wet Site
Drought, Shade areas
Flowers
Insignificant
Showy
Flower Petal Number
-
Single
Fragrant Bark/Stem
Yes
Yes
Foliage Texture
Medium
Medium
Foliage Sheen
Glossy
Glossy
Attracts
Birds
Birds, Butterflies, Hummingbirds
Allergy
Hay fever, Itchy eyes, Runny nose, sneezing, Watery eyes, Whooping Cough
Constipation, Swelling in the face, Vomiting, wheezing
Aesthetic Uses
-
Cottage Garden
Beauty Benefits
-
Acne, Improve skin tone, Nourishes scalp, Perfumes
Environmental Uses
Air purification, Nesting sites for birds, Shadow Tree, Shelter for wildlife, Wildlife
Food for animals, Prevent Soil Erosion, soil stabilisation
Medicinal Uses
Antiaphonic, Antiasthamatic, Astringent, Chronic fatigue, Cold, Dysentry, Emetic, Febrifuge, Haemorrhages, Indigestion, Opthalmic, Salve, Sore Eyes, Sore throat, Tonic, Treating fever
Acne, Aging, Antibacterial, constipation, Glucose, Nutrients
Part of Plant Used
Inner Bark, Leaves, Seeds
Fruits, Leaves
Other Uses
Tannin, Used as a dye, Used as fuel, Used as insect repellent, Used for woodware
Beneficial species for attracting pollinators, Making Perfumes, Medicinal oil, Used as a nutritious food item, Used As Food
Used As Indoor Plant
No
Sometimes
Used As Outdoor Plant
Yes
Yes
Garden Design
Feature Plant, Shade Trees
Container, Edible, Feature Plant, Fruit / Fruit Tree, Topiary / Bonsai / Espalier
Botanical Name
QUERCUS velutina
CITRUS x paradisi
Common Name
Black Oak
Grapefruit
In Hindi
Black Oak Tree
चकोतरा
In German
Schwarz Oak Tree
Grapefruit
In French
Noir Oak Tree
pamplemousse
In Spanish
Negro del árbol de roble
Pomelo
In Greek
Black Oak Tree
γκρέιπ φρουτ
In Portuguese
Carvalho Preto
Toranja
In Polish
Czarny Dąb
grejpfrut
In Latin
Niger quercum ligno
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Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Clade
Angiosperms, Eudicots, Rosids
Dicotyledonous
Importance of Black Oak and Grapefruit
Want to have the most appropriate plant for your garden? You might want to know the importance of Black Oak and Grapefruit. Basically, these two plants vary in many aspects. Compare Black Oak and Grapefruit 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 Oak is Antiaphonic, Antiasthamatic, Astringent, Chronic fatigue, Cold, Dysentry, Emetic, Febrifuge, Haemorrhages, Indigestion, Opthalmic, Salve, Sore Eyes, Sore throat, Tonic and Treating fever whereas of Grapefruit is Acne, Aging, Antibacterial, constipation, Glucose and Nutrients. Black Oak has beauty benefits as follows: while Grapefruit has beauty benefits as follows: .
Compare Facts of Black Oak vs Grapefruit
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 Oak vs Grapefruit 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 Oak are Hay fever, Itchy eyes, Runny nose, sneezing, Watery eyes and Whooping Cough whereas of Grapefruit have Constipation, Swelling in the face, Vomiting and wheezing respectively. Having a fruit bearing plant in your garden can be a plus point of your garden. Black Oak has showy fruits and Grapefruit has showy fruits. Also Black Oak is not flowering and Grapefruit is not flowering . You can compare Black Oak and Grapefruit facts and facts of other plants too.