Life Span
Annual and Perennial
Annual and Perennial
Type
Tree
Flowering Plants, Shrubs
Origin
United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, Central United States, South-Central United States, Texas
World/Pandemic, North America, Europe, Russia/Siberia, China, Korea
Types
Quercus stellata
Bigleaf hydrangea, Hortensia, Smooth hydrangea, Oakleaf hydrangea, Annabelle
Habitat
Woodland Garden Canopy
Forest edges, Hillside, Woods
USDA Hardiness Zone
5-9
2-11
Sunset Zone
7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
Habit
Oval or Rounded
Upright/Erect
Flower Color
Red, Light Yellow, Tan
Blue, Sky Blue, Indigo, Dark Blue
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Brown, Sandy Brown
Leaf Color in Spring
Dark Green
Sea Green, Gray Green
Leaf Color in Summer
Dark Green
Sea Green, Gray Green
Leaf Color in Fall
Orange, Tan, Bronze, Orange Red
Sea Green, Gray Green
Leaf Color in Winter
-
Light Green
Leaf Shape
Elliptic and Ovate
Oblovate
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Slow
Very Fast
Type of Soil
Clay, Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Average
Well drained
Bloom Time
Spring
Indeterminate
Tolerances
Drought, Salt
Drought
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
Seedlings
Seedlings
Plant Maintenance
Medium
Medium
Watering Requirements
Needs less watering
Keep ground moist, Requires a lot of watering, Requires regular watering, Requires watering in the growing season
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Acidic, Neutral, Alkaline
Slightly Acidic
Soil Type
Clay, Loam, Sand
Loamy
Soil Drainage Capacity
Average
Loamy
Sun Exposure
Full Sun, Partial Sun
Full Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Prune to control growth, Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
Compost
Pests and Diseases
Red blotch
Bacterial leaf spot, Botrytis Blight, Leafminers, Mealybugs, Mushroom root rot
Plant Tolerance
Drought
Drought
Flowers
Insignificant
Showy
Flower Petal Number
-
Single
Foliage Texture
Coarse
Medium
Foliage Sheen
Glossy
Matte
Attracts
Birds
Butterflies
Allergy
-
Chest tightness, Diarrhea, Dizziness, Nausea, Vomiting
Aesthetic Uses
Showy Purposes
Beautification, Bouquets, Landscape Designing, Showy Purposes
Environmental Uses
Air purification
Air purification, Food for insects, Indoor Air Purification, Prevent Soil Erosion, Very little waste
Medicinal Uses
Astringent, Emetic, Febrifuge, Tonic
Fever, Kidney problems, Urinary tract problems
Part of Plant Used
Leaves, Seeds, Wood
Flowers, Root
Other Uses
Used As Food, Used as Ornamental plant, Used in pulpwood and lumber production
Can be made into a herbal tea, Decoration Purposes, Employed in herbal medicine, Showy Purposes, Used as Ornamental plant, Used for its medicinal properties
Used As Indoor Plant
No
Yes
Used As Outdoor Plant
Yes
Yes
Garden Design
Feature Plant, Shade Trees, Street Trees
Container, Herb
Botanical Name
QUERCUS stellata
CENTAUREA cyanus
Common Name
Post Oak
Batchelor's Buttons, Cornflower
In Hindi
पोस्ट ओक
Hydrangea
In German
Post oak
Hortensie
In French
Post oak
Hortensia
In Spanish
Post oak
Hortensia
In Greek
Post Oak
υδραγεία
In Portuguese
Post Oak
Hortênsia
In Polish
post Oak
Hortensja
In Latin
Post quercu
Hibiscus
Phylum
Magnoliophyta
Anthophyta
Class
Magnoliopsida
Magnoliopsida
Family
Fagaceae
Asteraceae
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Importance of Post Oak and Cornflower
Want to have the most appropriate plant for your garden? You might want to know the importance of Post Oak and Cornflower. Basically, these two plants vary in many aspects. Compare Post Oak and Cornflower 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 Post Oak is Astringent, Emetic, Febrifuge and Tonic whereas of Cornflower is Fever, Kidney problems and Urinary tract problems. Post Oak has beauty benefits as follows: while Cornflower has beauty benefits as follows: .
Compare Facts of Post Oak vs Cornflower
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 Post Oak vs Cornflower 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 Post Oak are whereas of Cornflower have Chest tightness, Diarrhea, Dizziness, Nausea and Vomiting respectively. Having a fruit bearing plant in your garden can be a plus point of your garden. Post Oak has showy fruits and Cornflower has no showy fruits. Also Post Oak is not flowering and Cornflower is not flowering . You can compare Post Oak and Cornflower facts and facts of other plants too.