Life Span
Perennial
Perennial
Type
Tree
Flowering Plants, Shrubs
Origin
North America, United States, Northwestern United States, Alaska, California, Canada
Central Asia, China, Northern America, The Hiamalayas
Types
-
Bigleaf hydrangea, Hortensia, Smooth hydrangea, Oakleaf hydrangea, Annabelle
Number of Varieties
30100
0
40000
👆🏻
Habitat
Lowland evergreen rainforest
Forest edges, Hillside, Woods
USDA Hardiness Zone
4-7-9999
0
99
👆🏻
AHS Heat Zone
7-1
-
Sunset Zone
3a, 3b, 4, 5, 6, 7, 14, 15, 16, 17
21,22
Habit
Pyramidal
Arching/Fountain-shaped
Plant Size
Minimum Height
1,370.00 cm6.56 cm
0
3900
👆🏻
Minimum Width
610.00 cm10.50 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow, Red, Coral
Blue, Dark Purple, Light Purple, Red, White
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown
-
Leaf Color in Spring
Green, Dark Green
Dark Green
Leaf Color in Summer
Dark Green
Light Green
Leaf Color in Fall
Dark Green
Several shades of Green
Leaf Color in Winter
-
Light Green
Shape
Leaf Shape
Ovate
Oblovate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Early Spring, Late Autumn
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun
Growth Rate
Fast
Fast
Type of Soil
Loam, Sand
Light
The pH of Soil
Acidic, Neutral, Alkaline
Acidic
Soil Drainage
Average
Average
Bloom Time
Early Spring
Spring, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Maritime exposure, Salt water
Drought
Where to Plant?
Ground
Ground, Pot
How to Plant?
Layering, Seedlings
Seedlings, Stem Planting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
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, Alkaline
-
Soil Type
Loam, Sand
-
Soil Drainage Capacity
Average
-
Sun Exposure
Full Sun, Partial Sun, Partial shade
-
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer, Nitrogen
All-Purpose Liquid Fertilizer
Pests and Diseases
-
Red blotch
Plant Tolerance
Maritime exposure, Salt water
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
Medium
Bold
Foliage Sheen
Glossy
-
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Insects
Bees, Flies
Allergy
-
Chest tightness, Diarrhea, Dizziness, Nausea, Vomiting
Uses
Aesthetic Uses
-
-
Beauty Benefits
Skin Problems
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Prevent Soil Erosion, Shadow Tree
Air purification
Plant Benefits
Medicinal Uses
Anodyne, Appetizer, Astringent
Fever, Kidney problems, Urinary tract problems
Part of Plant Used
Flowers, Inner Bark, Sap
Flowers, Root
Other Uses
Used as a dye, used for making charcoal, Used for making informal hedge
-
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Screening / Wind Break, Shade Trees
-
Botanical Name
ALNUS rubra
Hydrangea
Common Name
Oregon Alder, Red Alder
Hydrangea or hortensia
In Hindi
red alder
Hydrangea
In German
rot-Erle
Hortensie
In French
aulne rouge
Hortensia
In Spanish
aliso rojo
Hortensia
In Greek
κόκκινη σκλήθρα
υδραγεία
In Portuguese
amieiro vermelho
Hortênsia
In Polish
czerwony olcha
Hortensja
In Latin
red alnus
Hibiscus
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
-
Class
Magnoliopsida
-
Order
Fagales
-
Family
Betulaceae
-
Genus
Alnus
-
Clade
Angiosperms, Eudicots, Rosids
-
Tribe
-
-
Subfamily
-
-
Number of Species
351
1
27800
👆🏻