Life Span
Annual and Perennial
Perennial
Type
Flowering Plants, Shrubs
Tree
Origin
World/Pandemic, North America, Europe, Russia/Siberia, China, Korea
Europe, Eastern Europe, Southern Europe, Russia/Siberia, Iran, Central Asia, Southern Asia, Western Asia, India, Nepal, China
Types
Bigleaf hydrangea, Hortensia, Smooth hydrangea, Oakleaf hydrangea, Annabelle
Black walnut
Number of Varieties
10030
0
40000
👆🏻
Habitat
Forest edges, Hillside, Woods
Cold Regions, Hills, Hillside
USDA Hardiness Zone
2-114-8
0
99
👆🏻
AHS Heat Zone
7 - 1
7-1
Sunset Zone
7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21
Habit
Upright/Erect
Oval or Rounded
Plant Size
Minimum Height
30.00 cm1,220.00 cm
0
3900
👆🏻
Minimum Width
30.00 cm1,220.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Blue, Sky Blue, Indigo, Dark Blue
Yellow green
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown, Sandy Brown
Green, Brown
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
Dark Green, Yellow green
Leaf Color in Winter
Light Green
-
Shape
Leaf Shape
Oblovate
Pinnate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun
Growth Rate
Very Fast
Medium
Type of Soil
Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Indeterminate
Late Spring, Early Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought, Frost
Where to Plant?
Container, Ground, Pot
Ground
How to Plant?
Seedlings
Budding, Seedlings
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
Requires watering in the growing season, Water Deeply, Water when top layer of soil becomes dry
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
Well drained
Sun Exposure
Full Sun
Full Sun
Pruning
Prune to control growth, Remove damaged leaves, Remove dead branches, Remove dead leaves
In Early Autumn, Prune to stimulate growth, Remove dead leaves
Fertilizers
Compost
fertilize in spring, Nitrogen
Pests and Diseases
Bacterial leaf spot, Botrytis Blight, Leafminers, Mealybugs, Mushroom root rot
Anthracnose, Armillaria mellea, Blight, Caterpillars, Crown gall, Crown rot, fungus, Powdery mildew, Red blotch
Plant Tolerance
Drought
Drought, Frost
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
Coarse
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Butterflies
-
Allergy
Chest tightness, Diarrhea, Dizziness, Nausea, Vomiting
Severe allergen
Uses
Aesthetic Uses
Beautification, Bouquets, Landscape Designing, Showy Purposes
-
Beauty Benefits
-
Good for skin and hair
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Food for insects, Indoor Air Purification, Prevent Soil Erosion, Very little waste
Absorbs greenhouse gases, Absorbs huge amounts of CO2, Air purification, Amazing growth rate, Erosion control, Food for birds, Food for insects, Forms dense stands, Nesting sites for birds, Prevent Soil Erosion, Shadow Tree, Shelter for wildlife, Windbreak
Plant Benefits
Medicinal Uses
Fever, Kidney problems, Urinary tract problems
Anemia, Asthma, Cancer, Cough, Diarrhea, Menstrual Disorders, Urinary tract problems
Part of Plant Used
Flowers, Root
Fruits, 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
Economic Purpose, Used as a dye, Used as firewood, Used As Food, Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Herb
Edible, Feature Plant, Shade Trees
Botanical Name
CENTAUREA cyanus
JUGLANS regia
Common Name
Batchelor's Buttons, Cornflower
English Walnut
In Hindi
Hydrangea
अंग्रेजी अखरोट
In German
Hortensie
Englisch Walnut
In French
Hortensia
Anglais Noyer
In Spanish
Hortensia
Inglés nuez
In Greek
υδραγεία
Αγγλικά Καρυδιά
In Portuguese
Hortênsia
Inglês Walnut
In Polish
Hortensja
orzech włoski
In Latin
Hibiscus
Nucis anglicus
Kingdom
Plantae
Plantae
Phylum
Anthophyta
Tracheophyta
Class
Magnoliopsida
Magnoliopsida
Order
Asterales
Fagales
Family
Asteraceae
Juglandaceae
Genus
Centaurea
Juglans
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
Cynareae
Juglandeae
Subfamily
Carduoideae
Juglandoideae
Number of Species
25021
1
27800
👆🏻