Life Span
Perennial
Perennial
Type
Bulb, Flowering Plants
Herbaceous Perennial
Origin
Aegean Islands, Central Asia, Middle East, North Africa, Southern Europe, Western China
China, Japan, Korea
Types
Crocus abantensis, Crocus adanensis, Crocus biflorus, Crocus chrysanthus, Crocus korolkowii
-
Number of Varieties
9015
0
40000
👆🏻
Habitat
Scrubs, Woods
Dappled Shade, meadows, Shady Edge, Sunny Edge, Woodland Garden
USDA Hardiness Zone
3-85-9
0
99
👆🏻
AHS Heat Zone
8-1
9-4
Sunset Zone
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
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Clump-Forming
Clump-Forming
Plant Size
Minimum Height
10.00 cm60.00 cm
0
3900
👆🏻
Minimum Width
5.10 cm120.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Blue, Orange, Pink, Purple, White, Yellow
Light Yellow, Ivory
Flower Color Modifier
-
Bicolor
Fruit Color
-
-
Leaf Color in Spring
Green
Green
Leaf Color in Summer
-
Green
Leaf Color in Fall
Green
Green
Leaf Color in Winter
Green
-
Shape
Leaf Shape
Grass like
Ovate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Winter
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun, Part sun
Partial shade, Full Shade
Growth Rate
Medium
Fast
Type of Soil
Loamy
Clay, Loam, Sand
The pH of Soil
Neutral, Slightly Acidic
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Poorly Drained
Bloom Time
Spring, Winter
Early Spring, Late Winter
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Wet Site
Where to Plant?
Container, Ground, Pot
Container, Ground, Pot
How to Plant?
From bulbs, Grafting, Seedlings
Divison, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Form a Soil ring to water efficiently, Water Deeply, Water twice a day in the initial period, Water when soil is dry
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
Neutral, Slightly Acidic
Acidic, Neutral, Alkaline
Soil Type
Loamy
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Poorly Drained
Sun Exposure
Full Sun, Part sun
Partial shade, Full Shade
Pruning
No pruning needed in the early stages, Prune to stimulate growth, Remove dead or diseased plant parts, Requires little pruning
Remove the old foliage
Fertilizers
All-Purpose Liquid Fertilizer
Use a fertilizer ratio of 16-4-8
Pests and Diseases
Aphids, Botrytis Blight, Mushroom root rot, Narcissus Basal Rot, Narcissus Bulb Fly, Slugs, Snails, Tulip Fire, Tulip Viruses
-
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
Fine
Bold
Foliage Sheen
Glossy
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
-
-
Allergy
-
-
Uses
Aesthetic Uses
-
Bog Garden, Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Arthritis, Gout
Antiasthamatic, Antispasmodic, Expectorant, Poultice
Part of Plant Used
Whole plant
Flowers, Stem
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
Botanical Name
Crocus Longiflorus
PETASITES japonicus
Common Name
Crocus
Giant Butterbur, Japanese Butterbur
In Hindi
Crocus
Giant Butterbur
In German
Krokus
Riesen Pestwurz
In French
Crocus
géant Butterbur
In Spanish
Azafrán
gigante petasita
In Greek
κρόκος
Giant Butterbur
In Portuguese
Açafrão
Carrapicho gigante
In Polish
Krokus
Giant Lepiężnik
In Latin
Erocum
Giant Butterbur
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Liliopsida
Magnoliopsida
Order
Asparagales
Asterales
Family
Iridaceae
Asteraceae
Genus
Crocus
Petasites
Clade
Angiosperms, Monocots
Angiosperms, Asterids, Eudicots
Tribe
-
Senecioneae
Subfamily
Crocoideae
Asteroideae
Number of Species
901
1
27800
👆🏻