Life Span
Annual and Perennial
Perennial
Type
Flowering Plants, Shrubs
Tree
Origin
World/Pandemic, North America, Europe, Russia/Siberia, China, Korea
Eastern Asia
Types
Bigleaf hydrangea, Hortensia, Smooth hydrangea, Oakleaf hydrangea, Annabelle
Ulmus parvifolia 'Emer II', Ulmus parvifolia 'True Green'
Number of Varieties
1004
0
40000
👆🏻
Habitat
Forest edges, Hillside, Woods
Woodland Garden Canopy
USDA Hardiness Zone
2-115-9
0
99
👆🏻
AHS Heat Zone
7 - 1
9-1
Sunset Zone
7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Upright/Erect
Upright/Erect
Plant Size
Minimum Height
30.00 cm460.00 cm
0
3900
👆🏻
Minimum Width
30.00 cm300.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Blue, Sky Blue, Indigo, Dark Blue
Red
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown, Sandy Brown
Tan, Brown
Leaf Color in Spring
Sea Green, Gray Green
Green
Leaf Color in Summer
Sea Green, Gray Green
Dark Green
Leaf Color in Fall
Sea Green, Gray Green
Yellow, Red, Green
Leaf Color in Winter
Light Green
-
Shape
Leaf Shape
Oblovate
Elliptic, toothed
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
-
Type of Soil
Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Indeterminate
Fall
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Container, Ground, Pot
Ground
How to Plant?
Seedlings
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
Average Water Needs
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
Loam, Sand
Soil Drainage Capacity
Loamy
Well drained
Sun Exposure
Full Sun
Full Sun, Partial Sun
Pruning
Prune to control growth, Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
Compost
6-12-12 or 5-10-10
Pests and Diseases
Bacterial leaf spot, Botrytis Blight, Leafminers, Mealybugs, Mushroom root rot
Canker, Leaf spot, Rots, Wilts
Plant Tolerance
Drought
Drought
Flowers
Showy
Insignificant
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
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Butterflies
Birds
Allergy
Chest tightness, Diarrhea, Dizziness, Nausea, Vomiting
Moderate Allergen
Uses
Aesthetic Uses
Beautification, Bouquets, Landscape Designing, Showy Purposes
Bonsai, Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Food for insects, Indoor Air Purification, Prevent Soil Erosion, Very little waste
Air purification
Plant Benefits
Medicinal Uses
Fever, Kidney problems, Urinary tract problems
Antidote, Demulcent, Diuretic, Expectorant, Febrifuge, Hypnotic
Part of Plant Used
Flowers, Root
Fruits, Inner Bark, Leaves
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
Can be grown in a shelter belt, Used as a thickener in soups
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Herb
Container, Feature Plant, Mixed Border, Shade Trees, Street Trees, Topiary / Bonsai / Espalier
Botanical Name
CENTAUREA cyanus
ULMUS parvifolia
Common Name
Batchelor's Buttons, Cornflower
Chinese Elm, Lacebark Elm
In Hindi
Hydrangea
Lacebark Elm
In German
Hortensie
Lacebark Elm
In French
Hortensia
Lacebark Elm
In Spanish
Hortensia
Lacebark Elm
In Greek
υδραγεία
Lacebark Elm
In Portuguese
Hortênsia
Lacebark Elm
In Polish
Hortensja
Lacebark Elm
In Latin
Hibiscus
Lacebark Elm
Kingdom
Plantae
Plantae
Phylum
Anthophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Asterales
Urticales
Family
Asteraceae
Ulmaceae
Genus
Centaurea
Ulmus
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
Cynareae
Ulmeae
Subfamily
Carduoideae
-
Number of Species
25010
1
27800
👆🏻