Life Span
Perennial
Perennial
Type
Tree
Broadleaf Evergreen
Origin
Mid-Atlantic United States, Southeastern United States, Central United States, South-Central United States
-
Types
-
Rhododendron, Azalea indica, Azalea japonica
Habitat
bottomlands, Depression on prairies, ditches, Floodplains, Riverbanks, stream banks, Swamps
Forests
USDA Hardiness Zone
4-9
8-11
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
Oval or Rounded
Flower Color
Yellow, Brown
Red
Flower Color Modifier
Bicolor
Bicolor
Leaf Color in Spring
Green, Light Green
Green, Dark Green
Leaf Color in Summer
Green, Light Green
Green, Dark Green
Leaf Color in Fall
Yellow, Light Yellow, Tan
Green, Dark Green
Leaf Color in Winter
-
Green, Dark Green
Leaf Shape
Oval with a pointed tip and fine teeth along their edges
Linear
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
Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic
Soil Drainage
Average
Well drained
Bloom Time
Spring
Early Spring, Spring, Late Fall, Winter, Late Winter
Tolerances
Wet Site, Pollution, Soil Compaction
-
Where to Plant?
Ground
Ground
How to Plant?
Seedlings
Seedlings, Stem Cutting
Plant Maintenance
Low
Medium
Watering Requirements
Requires a lot of watering, Requires regular watering
Average Water Needs, Do not water frequently
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Acidic, Neutral
Acidic
Soil Type
Clay, Loam, Sand
Loam, Sand
Soil Drainage Capacity
Average
Well drained
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 damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer, No need to fertilize every year
All-Purpose Liquid Fertilizer, Apply N-P-K
Pests and Diseases
Aphids, Red blotch, Sawfly Larvae
Caterpillars, Citrus leaf miner, Petal blight, Red blotch, Rust, Twig blight, Whiteflies
Plant Tolerance
Pollution, Soil Compaction, Wet Site
Drought, Shade areas
Flower Petal Number
-
Single
Foliage Texture
Medium
Medium
Foliage Sheen
Matte
Matte
Attracts
-
Onion thrips, White Pine Weevil
Aesthetic Uses
Showy Purposes
Bonsai, Cottage Garden
Environmental Uses
Erosion control, Wildlife
Air purification
Medicinal Uses
-
Astringent
Part of Plant Used
Whole plant
Flowers, Leaves
Other Uses
used for making roof trusses, poles, joists, piles, Used in construction, Used in Furniture
Repellent, used for making charcoal, Used for woodware
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Feature Plant, Shade Trees
Container, Feature Plant, Foundation, Mixed Border, Rock Garden, Wall, Topiary, Bonsai, Espalier
Botanical Name
BETULA nigra
RHODODENDRON 'Anthopogon'
Common Name
River Birch
Evergreen Azalea
In Hindi
River Birch
Azalea
In German
Fluss Birch
Azalee
In French
Birch river
azalée
In Spanish
river Birch
azalea
In Greek
ποταμός Birch
αζάλεα
In Portuguese
river Birch
Azalea
In Polish
Rzeka Birch
azalia
Phylum
Magnoliophyta
Tracheophyta
Class
Magnoliopsida
Magnoliopsida
Family
Betulaceae
Ericaceae
Genus
Betula
Rhododendron
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Importance of River Birch and Azalea
Want to have the most appropriate plant for your garden? You might want to know the importance of River Birch and Azalea. Basically, these two plants vary in many aspects. Compare River Birch and Azalea as they differ in many characteristics such as their life, care, benefits, facts, etc. Every gardener must at least have the slightest clue about the plants he wants to plant in his garden. Compare their benefits, which differ in many ways like facts and uses. The medicinal use of River Birch is whereas of Azalea is Astringent. River Birch has beauty benefits as follows: while Azalea has beauty benefits as follows: .
Compare Facts of River Birch vs Azalea
How to choose the best garden plant for your garden depending upon its facts? Here garden plant comparison will help you to solve this query. Compare the facts of River Birch vs Azalea and know which one to choose. As garden plants have benefits and other uses, allergy is also a major drawback of plants for some people. Allergic reactions of River Birch are Asthma whereas of Azalea have respectively. Having a fruit bearing plant in your garden can be a plus point of your garden. River Birch has no showy fruits and Azalea has no showy fruits. Also River Birch is not flowering and Azalea is not flowering . You can compare River Birch and Azalea facts and facts of other plants too.