Life Span
Perennial
Perennial
Type
Herbaceous Perennial
Herb
Origin
China, Japan, Korea
Southern Europe, Mediterranean, Southern Asia
Types
-
Bigleaf hydrangea, Hortensia, Smooth hydrangea, Oakleaf hydrangea, Annabelle
Number of Varieties
15100
0
40000
👆🏻
Habitat
Dappled Shade, meadows, Shady Edge, Sunny Edge, Woodland Garden
Forest edges, Hillside, Woods
USDA Hardiness Zone
5-9-9999
0
99
👆🏻
AHS Heat Zone
9-4
12*1
Sunset Zone
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
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
Habit
Clump-Forming
Arching/Fountain-shaped
Plant Size
Minimum Height
60.00 cm6.56 cm
0
3900
👆🏻
Minimum Width
120.00 cm10.50 cm
0
6350
👆🏻
Plant Color
Flower Color
Light Yellow, Ivory
White, Blue, Pink, Lavender
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
-
Leaf Color in Spring
Green
Green, Olive, Gray Green, Dark Green
Leaf Color in Summer
Green
Green, Olive, Gray Green, Dark Green
Leaf Color in Fall
Green
Green, Olive, Gray Green, Dark Green
Leaf Color in Winter
-
Light Green
Shape
Leaf Shape
Ovate
Oblovate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Partial shade, Full Shade
Full Sun, Partial Sun
Growth Rate
Fast
Fast
Type of Soil
Clay, Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Neutral, Alkaline
Soil Drainage
Poorly Drained
Well drained
Bloom Time
Early Spring, Late Winter
Early Spring, Spring, Late Spring, Early Summer, Summer, Late Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Wet Site
Drought
Where to Plant?
Container, Ground, Pot
Container, Ground
How to Plant?
Divison, Seedlings
Seedlings, Stem Planting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Water once every two or three weeks
-
In Summer
Lots of watering
Average Water
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral, Alkaline
Neutral, Alkaline
Soil Type
Clay, Loam, Sand
Loam, Sand
Soil Drainage Capacity
Poorly Drained
Well drained
Sun Exposure
Partial shade, Full Shade
Full Sun, Partial Sun
Pruning
Remove the old foliage
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
Use a fertilizer ratio of 16-4-8
All-Purpose Liquid Fertilizer
Pests and Diseases
-
Red blotch
Plant Tolerance
Drought
Drought
Flowers
✔
✘
✔
✘
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
Bold
Fine
Foliage Sheen
Glossy
-
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
-
Bees, Flies
Allergy
-
Chest tightness, Diarrhea, Dizziness, Nausea, Vomiting
Uses
Aesthetic Uses
Bog Garden, Showy Purposes
-
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Antiasthamatic, Antispasmodic, Expectorant, Poultice
Fever, Kidney problems, Urinary tract problems
Part of Plant Used
Flowers, Stem
Flowers, Root
Other Uses
Can be boiled and seasoned, pickled, Used as umbrellas by Japanese children, Used as walking sticks, Used like rhubarb
-
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bog Garden, Container, Feature Plant, Water Gardens
Bedding Plant, Container, Edging, Edible, Groundcover, Hanging Basket, Herb / Vegetable, Mixed Border, Rock Garden / Wall
Botanical Name
PETASITES japonicus
THYMUS 'Hartington Silver'
Common Name
Giant Butterbur, Japanese Butterbur
Silver Thyme, Thyme
In Hindi
Giant Butterbur
Hydrangea
In German
Riesen Pestwurz
Hortensie
In French
géant Butterbur
Hortensia
In Spanish
gigante petasita
Hortensia
In Greek
Giant Butterbur
υδραγεία
In Portuguese
Carrapicho gigante
Hortênsia
In Polish
Giant Lepiężnik
Hortensja
In Latin
Giant Butterbur
Hibiscus
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
-
Class
Magnoliopsida
-
Order
Asterales
-
Family
Asteraceae
Lamiaceae
Genus
Petasites
-
Clade
Angiosperms, Asterids, Eudicots
-
Tribe
Senecioneae
-
Subfamily
Asteroideae
-
Number of Species
1350
1
27800
👆🏻