Life Span
Annual and Perennial
Perennial
Type
Flowering Plants, Shrubs
Tree
Origin
World/Pandemic, North America, Europe, Russia/Siberia, China, Korea
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
Types
Bigleaf hydrangea, Hortensia, Smooth hydrangea, Oakleaf hydrangea, Annabelle
Japanese Evergreen Oak, Sawthorn Oak, Oriental White Oak
Number of Varieties
10020
0
40000
👆🏻
Habitat
Forest edges, Hillside, Woods
Woodland Garden Canopy
USDA Hardiness Zone
2-114-8
0
99
👆🏻
AHS Heat Zone
7 - 1
8-1
Sunset Zone
7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17
Habit
Upright/Erect
Upright/Erect
Plant Size
Minimum Height
30.00 cm2,438.40 cm
0
3900
👆🏻
Minimum Width
30.00 cm1,219.20 cm
0
6350
👆🏻
Plant Color
Flower Color
Blue, Sky Blue, Indigo, Dark Blue
Red, Light Yellow, Yellow green
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown, Sandy Brown
Brown, Sandy Brown, Chocolate
Leaf Color in Spring
Sea Green, Gray Green
Green, Copper
Leaf Color in Summer
Sea Green, Gray Green
Dark Green
Leaf Color in Fall
Sea Green, Gray Green
Orange, Brown, Dark Red
Leaf Color in Winter
Light Green
-
Shape
Leaf Shape
Oblovate
Lobed
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Very Fast
Slow
Type of Soil
Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Well drained
Average
Bloom Time
Indeterminate
Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Wet Site, Drought
Where to Plant?
Container, Ground, Pot
Ground
How to Plant?
Seedlings
Seedlings, Transplanting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Keep ground moist, Requires a lot of watering, Requires regular watering, Requires watering in the growing season
Average Water Needs, Keep the ground moist but not water-logged, Needs a lot of water initially, occasional watering once established, Water Deeply
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Slightly Acidic
Acidic, Neutral
Soil Type
Loamy
Clay, Loam, Sand
Soil Drainage Capacity
Loamy
Average
Sun Exposure
Full Sun
Full Sun, Partial Sun
Pruning
Prune to control growth, Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove branches, Remove damaged fruit, Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts, Remove deadheads
Fertilizers
Compost
All-Purpose Liquid Fertilizer, High amounts of nutrients, organic fertlizers
Pests and Diseases
Bacterial leaf spot, Botrytis Blight, Leafminers, Mealybugs, Mushroom root rot
Red blotch
Plant Tolerance
Drought
Drought, Wet Site
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
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Butterflies
Birds
Allergy
Chest tightness, Diarrhea, Dizziness, Nausea, Vomiting
Hay fever, Itchy eyes, Runny nose, sneezing, Watery eyes, Whooping Cough
Uses
Aesthetic Uses
Beautification, Bouquets, Landscape Designing, Showy Purposes
-
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Food for insects, Indoor Air Purification, Prevent Soil Erosion, Very little waste
Air purification, Nesting sites for birds, Shadow Tree, Shelter for wildlife, Wildlife
Plant Benefits
Medicinal Uses
Fever, Kidney problems, Urinary tract problems
Antiaphonic, Antiasthamatic, Astringent, Chronic fatigue, Cold, Dysentry, Emetic, Febrifuge, Haemorrhages, Indigestion, Opthalmic, Salve, Sore Eyes, Sore throat, Tonic, Treating fever
Part of Plant Used
Flowers, Root
Inner Bark, Leaves, Seeds
Other Uses
Can be made into a herbal tea, Decoration Purposes, Employed in herbal medicine, Showy Purposes, Used as Ornamental plant, Used for its medicinal properties
Tannin, Used as a dye, Used as fuel, Used as insect repellent, Used for woodware
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Herb
Feature Plant, Shade Trees
Botanical Name
CENTAUREA cyanus
QUERCUS velutina
Common Name
Batchelor's Buttons, Cornflower
Black Oak
In Hindi
Hydrangea
Black Oak Tree
In German
Hortensie
Schwarz Oak Tree
In French
Hortensia
Noir Oak Tree
In Spanish
Hortensia
Negro del árbol de roble
In Greek
υδραγεία
Black Oak Tree
In Portuguese
Hortênsia
Carvalho Preto
In Polish
Hortensja
Czarny Dąb
In Latin
Hibiscus
Niger quercum ligno
Kingdom
Plantae
Plantae
Phylum
Anthophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Asterales
Fagales
Family
Asteraceae
Fagaceae
Genus
Centaurea
Quercus
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
Cynareae
Cherokee
Subfamily
Carduoideae
-
Number of Species
250600
1
27800
👆🏻