Life Span
Perennial
Perennial
Type
Tree
Tender Perennial
Origin
Mid-Atlantic United States, Southeastern United States, Central United States, South-Central United States
Southern Africa
Habitat
bottomlands, Depression on prairies, ditches, Floodplains, Riverbanks, stream banks, Swamps
Desert, Mediterranean region, Subtropical climates, Temperate Regions
USDA Hardiness Zone
4-9
8-10
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
H1, H2, 8, 9, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Oval or Rounded
Clump-Forming
Flower Color
Yellow, Brown
Yellow, Light Yellow, Brown
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Black
Green, Brown
Leaf Color in Spring
Green, Light Green
Green, Gray Green
Leaf Color in Summer
Green, Light Green
Green, Gray Green
Leaf Color in Fall
Yellow, Light Yellow, Tan
Green, Gray Green
Leaf Color in Winter
-
Light Green
Leaf Shape
Oval with a pointed tip and fine teeth along their edges
Grass like
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Type of Soil
Clay, Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Drainage
Average
Average
Bloom Time
Spring
Indeterminate
Tolerances
Wet Site, Pollution, Soil Compaction
Drought
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
Seedlings
Rhizome division, Seedlings
Plant Maintenance
Low
Medium
Watering Requirements
Requires a lot of watering, Requires regular watering
Requires regular watering
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Type
Clay, Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Average
Average
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Pruning
Prune in the late winter or spring, Remove dead or diseased plant parts, Shape and thin as needed
Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer, No need to fertilize every year
Any balanced general purpose fertilizer
Pests and Diseases
Aphids, Red blotch, Sawfly Larvae
Nematodes, Scale
Plant Tolerance
Pollution, Soil Compaction, Wet Site
Drought
Flower Petal Number
-
Single
Foliage Texture
Medium
Medium
Foliage Sheen
Matte
Matte
Attracts
-
Bees, Birds, Butterflies
Allergy
Asthma
Skin irritation
Aesthetic Uses
Showy Purposes
Showy Purposes
Environmental Uses
Erosion control, Wildlife
Ethnobotanic
Part of Plant Used
Whole plant
Root
Other Uses
used for making roof trusses, poles, joists, piles, Used in construction, Used in Furniture
Roots were worn to protect and strengthen the wearer, Used as Ornamental plant
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Feature Plant, Shade Trees
Bog Garden, Container, Feature Plant, Mixed Border, Tropical, Water Gardens
Botanical Name
BETULA nigra
DIETES bicolor
Common Name
River Birch
African iris, Fortnight lily
In Hindi
River Birch
African Iris
In German
Fluss Birch
Afrikanische Iris
In French
Birch river
African Iris
In Spanish
river Birch
Iris africano
In Greek
ποταμός Birch
Αφρικανική Iris
In Portuguese
river Birch
Iris africano
In Polish
Rzeka Birch
Afryki Iris
In Latin
Betula
African Iris
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Asparagales
Family
Betulaceae
Iridaceae
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Monocots
Season and Care of River Birch and African Iris
Season and care of River Birch and African Iris is important to know. While considering everything about River Birch and African Iris Care, growing season is an essential factor. River Birch season is Spring, Summer, Fall and Winter and African Iris season is Spring, Summer, Fall and Winter. The type of soil for River Birch is Clay, Loam, Sand and for African Iris is Clay, Loam, Sand while the PH of soil for River Birch is Acidic, Neutral and for African Iris is Acidic, Neutral, Alkaline.
River Birch and African Iris Physical Information
River Birch and African Iris physical information is very important for comparison. River Birch height is 1,220.00 cm and width 1,220.00 cm whereas African Iris height is 61.30 cm and width 30.50 cm. The color specification of River Birch and African Iris are as follows:
River Birch flower color: Yellow and Brown
River Birch leaf color: Green and Light Green
African Iris flower color: Yellow, Light Yellow and Brown
- African Iris leaf color: Green and Gray Green
Care of River Birch and African Iris
Care of River Birch and African Iris include pruning, fertilizers, watering etc. River Birch pruning is done Prune in the late winter or spring, Remove dead or diseased plant parts and Shape and thin as needed and African Iris pruning is done Remove dead leaves. In summer River Birch needs Lots of watering and in winter, it needs Average Water. Whereas, in summer African Iris needs Lots of watering and in winter, it needs Average Water.