Life Span
Annual and Perennial
Perennial
Type
Flowering Plants, Shrubs
Tree
Origin
World/Pandemic, North America, Europe, Russia/Siberia, China, Korea
Southern Europe, Russia/Siberia, Mediterranean, Central Asia, Southeastern Asia, China
Types
Bigleaf hydrangea, Hortensia, Smooth hydrangea, Oakleaf hydrangea, Annabelle
Elaeagnus angustifolia
Number of Varieties
10030
0
40000
👆🏻
Habitat
Forest edges, Hillside, Woods
fencerows, Forest edges, mine spoils, Old fields, open Woodlands, Pastures, Roadsides, sand dunes
USDA Hardiness Zone
2-112-8
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
A2, A3, 1a, 1b, 2a, 2b, 3a, 3b, 7, 8, 9, 10, 11, 12, 13, 14, 18, 19
Habit
Upright/Erect
Oval or Rounded
Plant Size
Minimum Height
30.00 cm370.00 cm
0
3900
👆🏻
Minimum Width
30.00 cm370.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Blue, Sky Blue, Indigo, Dark Blue
White, Yellow green, Silver
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown, Sandy Brown
Yellow, Silver
Leaf Color in Spring
Sea Green, Gray Green
Light Green, Gray Green, Silver
Leaf Color in Summer
Sea Green, Gray Green
Light Green, Gray Green, Silver
Leaf Color in Fall
Sea Green, Gray Green
Light Green, Gray Green, Silver
Leaf Color in Winter
Light Green
-
Shape
Leaf Shape
Oblovate
Ovate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Very Fast
Fast
Type of Soil
Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Indeterminate
Late Spring, Early Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Pollution, Salt, Soil Compaction
Where to Plant?
Container, Ground, Pot
Ground
How to Plant?
Seedlings
Seedlings, Vegetative Reproduction
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
Do not let dry out between waterings, Do Not over Water
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, Alkaline
Soil Type
Loamy
Clay, Loam, Sand
Soil Drainage Capacity
Loamy
Well drained
Sun Exposure
Full Sun
Full Sun, Partial Sun, Partial shade
Pruning
Prune to control growth, Remove damaged leaves, Remove dead branches, Remove dead leaves
pruning needed for strong structure
Fertilizers
Compost
All-Purpose Liquid Fertilizer
Pests and Diseases
Bacterial leaf spot, Botrytis Blight, Leafminers, Mealybugs, Mushroom root rot
Canker, fungus, Insects, Leaf spot, Red blotch, Verticillium Wilt
Plant Tolerance
Drought
Pollution, Salt, Soil Compaction
Flowers
Showy
Showy
Flower Petal Number
Single
Single
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Medium
Fine
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Butterflies
Birds
Allergy
Chest tightness, Diarrhea, Dizziness, Nausea, Vomiting
Asthma
Uses
Aesthetic Uses
Beautification, Bouquets, Landscape Designing, Showy Purposes
Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Food for insects, Indoor Air Purification, Prevent Soil Erosion, Very little waste
Wildlife
Plant Benefits
Medicinal Uses
Fever, Kidney problems, Urinary tract problems
-
Part of Plant Used
Flowers, Root
Whole plant
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
Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Herb
Feature Plant, Hedges, Mixed Border, Screening / Wind Break, Topiary / Bonsai / Espalier
Botanical Name
CENTAUREA cyanus
ELAEAGNUS angustifolia
Common Name
Batchelor's Buttons, Cornflower
Russian Olive
In Hindi
Hydrangea
रूस ओलिव
In German
Hortensie
russische Olive
In French
Hortensia
Olive russe
In Spanish
Hortensia
oliva ruso
In Greek
υδραγεία
Ρωσική Ελιάς
In Portuguese
Hortênsia
Olive russo
In Polish
Hortensja
rosyjski Olive
In Latin
Hibiscus
Russian Olive
Kingdom
Plantae
Plantae
Phylum
Anthophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Asterales
Rhamnales
Family
Asteraceae
Elaeagnaceae
Genus
Centaurea
Elaeagnus
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
Cynareae
-
Subfamily
Carduoideae
-
Number of Species
25040
1
27800
👆🏻