Life Span
Annual and Perennial
Perennial
Type
Tender Perennial
Tree
Origin
Southern Europe, Mediterranean
Mid-Atlantic United States, Southeastern United States, Central United States, South-Central United States
Habitat
gardens, Grassland, Prairies
bottomlands, Depression on prairies, ditches, Floodplains, Riverbanks, stream banks, Swamps
USDA Hardiness Zone
7-9
4-9
Sunset Zone
4, 5, 6, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
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
Habit
Mat-forming
Oval or Rounded
Flower Color
Blue, Lavender
Yellow, Brown
Flower Color Modifier
Bicolor
Bicolor
Leaf Color in Spring
Gray Green
Green, Light Green
Leaf Color in Summer
Gray Green
Green, Light Green
Leaf Color in Fall
Gray Green
Yellow, Light Yellow, Tan
Leaf Color in Winter
Light Green
-
Leaf Shape
Linear
Oval with a pointed tip and fine teeth along their edges
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Type of Soil
Loam, Sand
Clay, Loam, Sand
The pH of Soil
Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Well drained
Average
Bloom Time
Spring, Late Spring, Early Summer, Summer, Late Summer, Early Fall
Spring
Tolerances
Drought
Wet Site, Pollution, Soil Compaction
Where to Plant?
Container, Ground, Pot
Ground
How to Plant?
Seedlings, Stem Cutting
Seedlings
Plant Maintenance
Medium
Low
Watering Requirements
Allow soil to be completely dry in between waterings, Water Deeply, Water less during winter
Requires a lot of watering, Requires regular watering
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Neutral, Alkaline
Acidic, Neutral
Soil Type
Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun
Pruning
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
Prune in the late winter or spring, Remove dead or diseased plant parts, Shape and thin as needed
Fertilizers
No fertilizers needed
All-Purpose Liquid Fertilizer, No need to fertilize every year
Pests and Diseases
fungus, Insects, Red blotch
Aphids, Red blotch, Sawfly Larvae
Plant Tolerance
Drought
Pollution, Soil Compaction, Wet Site
Flower Petal Number
Single
-
Foliage Texture
Fine
Medium
Foliage Sheen
Matte
Matte
Attracts
Bees, Birds, Butterflies
-
Allergy
Skin irritation
Asthma
Aesthetic Uses
Beautification, Showy Purposes
Showy Purposes
Environmental Uses
Air purification
Erosion control, Wildlife
Part of Plant Used
Whole plant
Whole plant
Other Uses
Showy Purposes
used for making roof trusses, poles, joists, piles, Used in construction, Used in Furniture
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Alpine, Container, Edging, Foundation, Groundcover, Mixed Border, Rock Garden / Wall
Feature Plant, Shade Trees
Botanical Name
ERYSIMUM linifolium
BETULA nigra
Common Name
Wallflower
River Birch
In Hindi
wallflower
River Birch
In German
Goldlack
Fluss Birch
In French
giroflée and ravenelle
Birch river
In Spanish
Alhelí
river Birch
In Greek
Μη χορεύων θεατής χορού
ποταμός Birch
In Portuguese
goivo-amarelo
river Birch
In Polish
Lak
Rzeka Birch
In Latin
Wallflower
Betula
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Brassicales
Fagales
Family
Brassicaceae
Betulaceae
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Importance of Wallflower and River Birch
Want to have the most appropriate plant for your garden? You might want to know the importance of Wallflower and River Birch. Basically, these two plants vary in many aspects. Compare Wallflower and River Birch 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 Wallflower is whereas of River Birch is . Wallflower has beauty benefits as follows: while River Birch has beauty benefits as follows: .
Compare Facts of Wallflower vs River Birch
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 Wallflower vs River Birch 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 Wallflower are Skin irritation whereas of River Birch have Asthma respectively. Having a fruit bearing plant in your garden can be a plus point of your garden. Wallflower has no showy fruits and River Birch has no showy fruits. Also Wallflower is not flowering and River Birch is not flowering . You can compare Wallflower and River Birch facts and facts of other plants too.