Life Span
Perennial
Perennial
Type
Shrubs
Tree
Origin
China, Indonesia, Japan, Korea, The Hiamalayas
United States, California
Types
Bigleaf hydrangea, Hortensia, Smooth hydrangea, Oakleaf hydrangea, Annabelle
-
Number of Varieties
1008
0
40000
👆🏻
Habitat
Forest margins, Hillside, Woods
Woodland Garden Canopy
USDA Hardiness Zone
3-96-9
0
99
👆🏻
AHS Heat Zone
9-1
9-1
Sunset Zone
A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21
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
Plant Size
Minimum Height
4.92 cm1,520.00 cm
0
3900
👆🏻
Minimum Width
11.00 cm1,370.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Blue, Dark Purple, Light Purple, Red, White
Red, Yellow green
Flower Color Modifier
-
Bicolor
Fruit Color
-
-
Leaf Color in Spring
Green
Green, Blue Green
Leaf Color in Summer
Green, Dark Green
Green, Blue Green
Leaf Color in Fall
Dark Green, Yellow, Yellow green
Yellow, Orange, Pink
Leaf Color in Winter
-
-
Shape
Leaf Shape
Oblovate
Irregular
Thorns
✔
✘
✔
✘
Plant Season
Early Spring, Late Autumn
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun
Full Sun, Partial Sun
Growth Rate
Fast
Slow
Type of Soil
Light
-
The pH of Soil
Acidic
-
Soil Drainage
Well drained
-
Bloom Time
Spring, Summer
Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought
Where to Plant?
Ground, Pot
Ground
How to Plant?
Seedlings, Stem Planting
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Keep the ground moist but not water-logged, Requires regular watering, Use and maintain water-efficient soaker hoses, Water twice a day in the initial period
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
-
Soil Type
Light
-
Soil Drainage Capacity
Well drained
-
Sun Exposure
Full Sun
Full Sun, Partial Sun
Pruning
Cut or pinch the stems, Do not prune during shooting season, Prune lower leaves, Prune to stimulate growth, Remove dead or diseased plant parts
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
Anthracnose, Cercospora leaf spot, Mushroom root rot, Powdery mildew
Red blotch
Plant Tolerance
Drought
Drought
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
Coarse
Medium
Foliage Sheen
Matte
-
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Bees, Flies
Birds
Allergy
Chest tightness, Diarrhea, Dizziness, Nausea, Vomiting
Pollen
Uses
Aesthetic Uses
Showy Purposes
Borders
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification, Shadow Tree, soil erosion prevension on hill slopes, Wildlife, Windbreak
Plant Benefits
Medicinal Uses
Fever, Kidney problems, Urinary tract problems
Astringent, Diarrhea, Dysentry, Haemorrhages, Poultice, Sore Eyes, Sore throat
Part of Plant Used
Flowers, Root
Leaves, Seeds, Wood
Other Uses
-
Adhesive, Basketary, Buttons, Repellent, Tannin, Used as fuel, Used for woodware
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
-
Feature Plant, Shade Trees, Street Trees
Botanical Name
Hydrangea
QUERCUS douglasii
Common Name
Hydrangea or hortensia
Blue Oak
In Hindi
Hydrangea
Blue Oak Tree
In German
Hortensie
Blaue Eiche
In French
Hortensia
Bleu Oak Tree
In Spanish
Hortensia
Azul del árbol de roble
In Greek
υδραγεία
Μπλε Oak Tree
In Portuguese
Hortênsia
Carvalho azul
In Polish
Hortensja
Niebieski Oak Tree
In Latin
Hibiscus
Blue quercum ligno
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Cornales
Fagales
Family
Hydrangeaceae
Fagaceae
Genus
Hydrangea
Quercus
Clade
-
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
-
-
Number of Species
7520
1
27800
👆🏻