Life Span
Annual and Perennial
Perennial
Type
Flowering Plants, Shrubs
Grass
Origin
World/Pandemic, North America, Europe, Russia/Siberia, China, Korea
Mediterranean, Northern Africa
Types
Bigleaf hydrangea, Hortensia, Smooth hydrangea, Oakleaf hydrangea, Annabelle
Erianthus ravennae, Saccharum ravennae
Number of Varieties
100190
0
40000
👆🏻
Habitat
Forest edges, Hillside, Woods
marshes, Riverbanks
USDA Hardiness Zone
2-116-9
0
99
👆🏻
AHS Heat Zone
7 - 1
9 - 6
Sunset Zone
7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
1, 2, 3, 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 cm240.00 cm
0
3900
👆🏻
Minimum Width
30.00 cm120.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Blue, Sky Blue, Indigo, Dark Blue
Purple, Silver
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown, Sandy Brown
Purple
Leaf Color in Spring
Sea Green, Gray Green
White, Gray Green
Leaf Color in Summer
Sea Green, Gray Green
Light Green
Leaf Color in Fall
Sea Green, Gray Green
Purple, Tan
Leaf Color in Winter
Light Green
Purple, Tan
Shape
Leaf Shape
Oblovate
Grass like
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun
Growth Rate
Very Fast
Medium
Type of Soil
Loam, Sand
Loam
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Indeterminate
Late Summer, Fall
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Container, Ground, Pot
Ground
How to Plant?
Seedlings
Seedlings, Vegetative
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
Water once every two or three weeks
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
Loam
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
Cut back all stems to the same height
Fertilizers
Compost
0-10-10 NPK fertilizer
Pests and Diseases
Bacterial leaf spot, Botrytis Blight, Leafminers, Mealybugs, Mushroom root rot
Drought, Edema
Plant Tolerance
Drought
Drought
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
Sometimes
Sometimes
Self-Sowing
✔
✘
✔
✘
Attracts
Butterflies
Birds
Allergy
Chest tightness, Diarrhea, Dizziness, Nausea, Vomiting
Noxious Weed
Uses
Aesthetic Uses
Beautification, Bouquets, Landscape Designing, Showy Purposes
Borders, Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Food for insects, Indoor Air Purification, Prevent Soil Erosion, Very little waste
Erosion control
Plant Benefits
Medicinal Uses
Fever, Kidney problems, Urinary tract problems
-
Part of Plant Used
Flowers, Root
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
Cultivated for fodder
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Herb
Cutflower, Dried Flower/Everlasting, Feature Plant, Mixed Border
Botanical Name
CENTAUREA cyanus
SACCHARUM ravennae
Common Name
Batchelor's Buttons, Cornflower
Hardy Pampas Grass, Plume Grass, Ravennagrass
In Hindi
Hydrangea
Plume Grass
In German
Hortensie
Plume Gras
In French
Hortensia
Plume Herbe
In Spanish
Hortensia
Penacho de hierba
In Greek
υδραγεία
Plume Grass
In Portuguese
Hortênsia
Plume grama
In Polish
Hortensja
Pióropusz Trawa
In Latin
Hibiscus
Kessinger Grass
Kingdom
Plantae
Plantae
Phylum
Anthophyta
Magnoliophyta
Class
Magnoliopsida
Lilopsida
Order
Asterales
Cyperales
Family
Asteraceae
Poaceae
Genus
Centaurea
Saccharum
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Commelinids, Monocots
Tribe
Cynareae
Andropogoneae
Subfamily
Carduoideae
Panicoideae
Number of Species
250400
1
27800
👆🏻