Life Span
Perennial
Perennial
Type
Tree
Bulb or Corm or Tuber
Origin
Mid-Atlantic United States, Southeastern United States, Central United States, South-Central United States
Europe, Turkey, Central Asia, Western Asia
Types
-
Colchicum cupanii, Colchicum alpinum
Number of Varieties
345
0
40000
👆🏻
Habitat
bottomlands, Depression on prairies, ditches, Floodplains, Riverbanks, stream banks, Swamps
Fields, meadows, Rocky areas, Shaded sites, Woodlands
USDA Hardiness Zone
4-9-9999
0
99
👆🏻
AHS Heat Zone
9-1
-
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
Oval or Rounded
Clump-Forming
Plant Size
Minimum Height
1,220.00 cm7.60 cm
0
3900
👆🏻
Minimum Width
1,220.00 cm7.60 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow, Brown
White, Yellow, Purple, Violet
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Black
-
Leaf Color in Spring
Green, Light Green
Green
Leaf Color in Summer
Green, Light Green
Light Green
Leaf Color in Fall
Yellow, Light Yellow, Tan
Several shades of Green
Leaf Color in Winter
-
Light Green
Shape
Leaf Shape
Oval with a pointed tip and fine teeth along their edges
Long Linear
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Fast
Medium
Type of Soil
Clay, Loam, Sand
Loam
The pH of Soil
Acidic, Neutral
Acidic, Neutral
Soil Drainage
Average
Well drained
Bloom Time
Spring
Early Spring, Late Summer, Early Fall, Fall, Late Fall, Winter, Late Winter
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Wet Site, Pollution, Soil Compaction
Drought
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
Seedlings
Divison, Seedlings
Plant Maintenance
Low
Low
Watering Plants
Watering Requirements
Requires a lot of watering, Requires regular watering
Do Not over Water, Medium, Needs less watering, Never Over-water, Requires regular watering, Water less during winter
In Summer
Lots of watering
Ample Water
In Spring
Moderate
Less Watering
In Winter
Average Water
Less Watering
Soil
Soil pH
Acidic, Neutral
Acidic, Neutral
Soil Type
Clay, Loam, Sand
Loam
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun
Pruning
Prune in the late winter or spring, Remove dead or diseased plant parts, Shape and thin as needed
Remove damaged leaves, Remove dead leaves, Remove dead or diseased plant parts, Remove shoots
Fertilizers
All-Purpose Liquid Fertilizer, No need to fertilize every year
fertilize in growing season, Less fertilizing
Pests and Diseases
Aphids, Red blotch, Sawfly Larvae
-
Plant Tolerance
Pollution, Soil Compaction, Wet Site
Drought
Flowers
Showy
Showy
Flower Petal Number
-
Single, Double
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Medium
Coarse
Foliage Sheen
Matte
-
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
-
Bees, Butterflies
Allergy
Asthma
Kidney Disease, Low blood pressure, Stomach pain, Toxic, Vomiting
Uses
Aesthetic Uses
Showy Purposes
Landscape Designing
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Erosion control, Wildlife
Air purification, No fertilizer, pesticides, or herbicides needed, Prevent Soil Erosion
Plant Benefits
Medicinal Uses
-
anti-cancer, anti-inflammatory, Diarrhea, Diuretic, Rheumatism
Part of Plant Used
Whole plant
Flowers, Leaves
Other Uses
used for making roof trusses, poles, joists, piles, Used in construction, Used in Furniture
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
Feature Plant, Shade Trees
Alpine, Container, Cutflower, Foundation, Lawns and Turf, Mixed Border, Rock Garden / Wall, Wildflower
Botanical Name
BETULA nigra
COLCHICUM
Common Name
River Birch
Colchicum
In Hindi
River Birch
colchicum
In German
Fluss Birch
colchicum
In French
Birch river
colchique
In Spanish
river Birch
Colchicum
In Greek
ποταμός Birch
Colchicum
In Portuguese
river Birch
Colchicum
In Polish
Rzeka Birch
Colchicum
In Latin
Betula
Colchicum
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Liliopsida
Order
Fagales
Liliales
Family
Betulaceae
Liliaceae
Genus
Betula
Colchicum
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Monocots
Tribe
-
-
Subfamily
-
Wurmbaeiodeae
Number of Species
3160
1
27800
👆🏻