Life Span
Perennial
Perennial
Type
Bulb, Flowering Plants
Broadleaf Evergreen
Origin
Aegean Islands, Central Asia, Middle East, North Africa, Southern Europe, Western China
Europe, Russia
Types
Crocus abantensis, Crocus adanensis, Crocus biflorus, Crocus chrysanthus, Crocus korolkowii
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Number of Varieties
902
0
40000
👆🏻
Habitat
Scrubs, Woods
Cold Regions, stream banks
USDA Hardiness Zone
3-86-11
0
99
👆🏻
AHS Heat Zone
8-1
-
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
21,22
Habit
Clump-Forming
Upright/Erect
Plant Size
Minimum Height
10.00 cm20.00 cm
0
3900
👆🏻
Minimum Width
5.10 cm90.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Blue, Orange, Pink, Purple, White, Yellow
White, Light Pink
Flower Color Modifier
-
Bicolor
Fruit Color
-
Orange Red
Leaf Color in Spring
Green
Red, Green, Copper
Leaf Color in Summer
-
Green, Blue Green
Leaf Color in Fall
Green
Green, Blue Green
Leaf Color in Winter
Green
Red, Dark Green, Burgundy, Bronze
Shape
Leaf Shape
Grass like
Oval
Thorns
✔
✘
✔
✘
Plant Season
Spring, Winter
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Part sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Medium
Medium
Type of Soil
Loamy
Loam, Sand
The pH of Soil
Neutral, Slightly Acidic
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Spring, Winter
Late Spring, Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
-
Where to Plant?
Container, Ground, Pot
Container, Ground
How to Plant?
From bulbs, Grafting, Seedlings
Root Division, Transplanting
Plant Maintenance
Medium
Low
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
Allow to dry out slightly between watering, Water daily during growing season
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
Soil Type
Loamy
Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Part sun
Full Sun, Partial Sun, Partial shade
Pruning
No pruning needed in the early stages, Prune to stimulate growth, Remove dead or diseased plant parts, Requires little pruning
Cut or pinch the stems, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
14-14-14 Fertilizer, All-Purpose Liquid Fertilizer, can go long without fertilizers
Pests and Diseases
Aphids, Botrytis Blight, Mushroom root rot, Narcissus Basal Rot, Narcissus Bulb Fly, Slugs, Snails, Tulip Fire, Tulip Viruses
Aphids, Stem spot
Plant Tolerance
Drought
Shallow soil, Sun
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
Glossy
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
-
Ants, Butterflies, pollinators
Allergy
-
Antibacterial, Peripheral Edema
Uses
Aesthetic Uses
-
Cottage Garden, Showy Purposes
Beauty Benefits
-
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification, Fixes Nitrogen
Plant Benefits
Medicinal Uses
Arthritis, Gout
Asthma, Diarrhea, Obesity, Osteoarthritis
Part of Plant Used
Whole plant
Leaves, Twigs
Other Uses
-
Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
-
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Botanical Name
Crocus Longiflorus
Symphytum asperum
Common Name
Crocus
Comfrey,Black Root, Blackwort, Bruisewort
In Hindi
Crocus
Blackwort
In German
Krokus
Blackwort
In French
Crocus
Blackwort
In Spanish
Azafrán
Blackwort
In Greek
κρόκος
Blackwort
In Portuguese
Açafrão
Blackwort
In Polish
Krokus
Blackwort
In Latin
Erocum
Blackwort
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Liliopsida
Magnoliopsida
Order
Asparagales
Lamiales
Family
Iridaceae
Boraginaceae
Genus
Crocus
Symphytum
Clade
Angiosperms, Monocots
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
Crocoideae
Boraginoideae
Number of Species
9035
1
27800
👆🏻