Life Span
Perennial
Annual and Perennial
Type
Tree
Tender Perennial
Origin
Mid-Atlantic United States, Southeastern United States, Central United States, South-Central United States
Southern Europe, Mediterranean
Habitat
bottomlands, Depression on prairies, ditches, Floodplains, Riverbanks, stream banks, Swamps
gardens, Grassland, Prairies
USDA Hardiness Zone
4-9
7-9
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
4, 5, 6, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Oval or Rounded
Mat-forming
Flower Color
Yellow, Brown
Blue, Lavender
Flower Color Modifier
Bicolor
Bicolor
Leaf Color in Spring
Green, Light Green
Gray Green
Leaf Color in Summer
Green, Light Green
Gray Green
Leaf Color in Fall
Yellow, Light Yellow, Tan
Gray Green
Leaf Color in Winter
-
Light 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
Type of Soil
Clay, Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral
Neutral, Alkaline
Soil Drainage
Average
Well drained
Bloom Time
Spring
Spring, Late Spring, Early Summer, Summer, Late Summer, Early Fall
Tolerances
Wet Site, Pollution, Soil Compaction
Drought
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
Seedlings
Seedlings, Stem Cutting
Plant Maintenance
Low
Medium
Watering Requirements
Requires a lot of watering, Requires regular watering
Allow soil to be completely dry in between waterings, Water Deeply, Water less during winter
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Acidic, Neutral
Neutral, Alkaline
Soil Type
Clay, Loam, Sand
Loam, Sand
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
Cut or pinch the stems, Do not prune during shooting season, Prune if you want to improve plant shape, Prune prior to new growth, Remove deadheads
Fertilizers
All-Purpose Liquid Fertilizer, No need to fertilize every year
No fertilizers needed
Pests and Diseases
Aphids, Red blotch, Sawfly Larvae
fungus, Insects, Red blotch
Plant Tolerance
Pollution, Soil Compaction, Wet Site
Drought
Flower Petal Number
-
Single
Foliage Texture
Medium
Fine
Foliage Sheen
Matte
Matte
Attracts
-
Bees, Birds, Butterflies
Allergy
Asthma
Skin irritation
Aesthetic Uses
Showy Purposes
Beautification, Showy Purposes
Environmental Uses
Erosion control, Wildlife
Air purification
Part of Plant Used
Whole plant
Whole plant
Other Uses
used for making roof trusses, poles, joists, piles, Used in construction, Used in Furniture
Showy Purposes
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Feature Plant, Shade Trees
Alpine, Container, Edging, Foundation, Groundcover, Mixed Border, Rock Garden / Wall
Botanical Name
BETULA nigra
ERYSIMUM linifolium
Common Name
River Birch
Wallflower
In Hindi
River Birch
wallflower
In German
Fluss Birch
Goldlack
In French
Birch river
giroflée and ravenelle
In Spanish
river Birch
Alhelí
In Greek
ποταμός Birch
Μη χορεύων θεατής χορού
In Portuguese
river Birch
goivo-amarelo
In Polish
Rzeka Birch
Lak
In Latin
Betula
Wallflower
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Brassicales
Family
Betulaceae
Brassicaceae
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Season and Care of River Birch and Wallflower
Season and care of River Birch and Wallflower is important to know. While considering everything about River Birch and Wallflower Care, growing season is an essential factor. River Birch season is Spring, Summer, Fall and Winter and Wallflower season is Spring, Summer, Fall and Winter. The type of soil for River Birch is Clay, Loam, Sand and for Wallflower is Loam, Sand while the PH of soil for River Birch is Acidic, Neutral and for Wallflower is Neutral, Alkaline.
River Birch and Wallflower Physical Information
River Birch and Wallflower physical information is very important for comparison. River Birch height is 1,220.00 cm and width 1,220.00 cm whereas Wallflower height is 30.50 cm and width 30.50 cm. The color specification of River Birch and Wallflower are as follows:
River Birch flower color: Yellow and Brown
River Birch leaf color: Green and Light Green
Wallflower flower color: Blue and Lavender
- Wallflower leaf color: Gray Green
Care of River Birch and Wallflower
Care of River Birch and Wallflower 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 Wallflower pruning is done Cut or pinch the stems, Do not prune during shooting season, Prune if you want to improve plant shape, Prune prior to new growth and Remove deadheads. In summer River Birch needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Wallflower needs Lots of watering and in winter, it needs Average Water.