Life Span
Perennial
Annual and Perennial
Type
Perennial
Flowering Plants, Shrubs
Origin
Europe, Russia
World/Pandemic, North America, Europe, Russia/Siberia, China, Korea
Types
Primula elatior
Bigleaf hydrangea, Hortensia, Smooth hydrangea, Oakleaf hydrangea, Annabelle
Number of Varieties
1100
0
40000
👆🏻
Habitat
Roadsides, sand dunes, Waste areas
Forest edges, Hillside, Woods
USDA Hardiness Zone
4-72-11
0
99
👆🏻
AHS Heat Zone
7-1
7 - 1
Sunset Zone
A1, A2, A3, H1, H2, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
Habit
Rosette/Stemless
Upright/Erect
Plant Size
Minimum Height
30.00 cm30.00 cm
0
3900
👆🏻
Minimum Width
25.00 cm30.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Light Yellow
Blue, Sky Blue, Indigo, Dark Blue
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Tan
Brown, Sandy Brown
Leaf Color in Spring
Green
Sea Green, Gray Green
Leaf Color in Summer
Green
Sea Green, Gray Green
Leaf Color in Fall
Green
Sea Green, Gray Green
Leaf Color in Winter
Light Green
Light Green
Shape
Leaf Shape
Oblong
Oblovate
Thorns
✔
✘
✔
✘
Plant Season
Summer
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Medium
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
Early Summer, Summer, Late Summer
Indeterminate
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Container, Ground, Pot
Container, Ground, Pot
How to Plant?
Divison, Seedlings, Stem Planting
Seedlings
Plant Maintenance
Low
Medium
Watering Plants
Watering Requirements
Average Water Needs, Do Not over Water, Never Over-water, Requires regular watering, Water more in summer
Keep ground moist, Requires a lot of watering, Requires regular watering, Requires watering in the growing season
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral, Alkaline
Slightly Acidic
Soil Type
Loam, Sand
Loamy
Soil Drainage Capacity
Well drained
Loamy
Sun Exposure
Full Sun, Partial Sun
Full Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts
Prune to control growth, Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer, fertilize in growing season
Compost
Pests and Diseases
Slugs, Snails
Bacterial leaf spot, Botrytis Blight, Leafminers, Mealybugs, Mushroom root rot
Plant Tolerance
Variety of soil types
Drought
Flowers
✔
✘
✔
✘
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
Fine
Medium
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Insects
Butterflies
Allergy
Abdominal pain, Constipation, Diarrhea, Skin irritation
Chest tightness, Diarrhea, Dizziness, Nausea, Vomiting
Uses
Aesthetic Uses
Beautification, Borders, Landscape Designing, Showy Purposes
Beautification, Bouquets, Landscape Designing, Showy Purposes
Beauty Benefits
Good for skin, Making cosmetics, Stops hair loss
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Food for insects, Versatility
Air purification, Food for insects, Indoor Air Purification, Prevent Soil Erosion, Very little waste
Plant Benefits
Medicinal Uses
Eczema
Fever, Kidney problems, Urinary tract problems
Part of Plant Used
Root
Flowers, Root
Other Uses
Decoration Purposes, Medicinal oil, Showy Purposes, Used as Ornamental plant, Used for its medicinal properties
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 Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Edging, Feature Plant, Groundcover, Mixed Border
Container, Herb
Botanical Name
Primula elatior
CENTAUREA cyanus
Common Name
Oxlip, true oxlip
Batchelor's Buttons, Cornflower
In Hindi
Oxlip
Hydrangea
In German
Hohe Schlüsselblume
Hortensie
In French
La Primevère élevée ou Primevère des bois
Hortensia
In Spanish
Primula elatior
Hortensia
In Greek
δακράκι
υδραγεία
In Portuguese
Oxlip
Hortênsia
In Polish
Oxlip
Hortensja
In Latin
Oxlip
Hibiscus
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Anthophyta
Class
Magnoliopsida
Magnoliopsida
Order
Myrtales
Asterales
Family
Onagraceae
Asteraceae
Genus
Oenothera
Centaurea
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Tribe
Onagreae
Cynareae
Subfamily
Onagroideae
Carduoideae
Number of Species
145250
1
27800
👆🏻