Life Span
Perennial
Annual
Type
Tree
Flowering Plants
Origin
Mid-Atlantic United States, Southeastern United States, Central United States, South-Central United States
Morocco
Types
-
Linaria vulgaris
Number of Varieties
3150
0
40000
👆🏻
Habitat
bottomlands, Depression on prairies, ditches, Floodplains, Riverbanks, stream banks, Swamps
Desert, Mediterranean region, subtropical regions, Temperate Regions
USDA Hardiness Zone
4-93-10
0
99
👆🏻
AHS Heat Zone
9-1
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
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
Oval or Rounded
Upright/Erect
Plant Size
Minimum Height
1,220.00 cm25.40 cm
0
3900
👆🏻
Minimum Width
1,220.00 cm12.70 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
Green
Leaf Color in Fall
Yellow, Light Yellow, Tan
Green
Leaf Color in Winter
-
Light Green
Shape
Leaf Shape
Oval with a pointed tip and fine teeth along their edges
Linear
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Summer
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Fast
Fast
Type of Soil
Clay, Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Drainage
Average
Well drained
Bloom Time
Spring
Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Wet Site, Pollution, Soil Compaction
Drought
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
Seedlings
Seedlings
Plant Maintenance
Low
Medium
Watering Plants
Watering Requirements
Requires a lot of watering, Requires regular watering
Average Water Needs, Do Not over Water
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral
Neutral, Slightly Acidic, Slightly Alkaline
Soil Type
Clay, Loam, Sand
Loam, Sand
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun, Partial Sun
Full 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 branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer, No need to fertilize every year
Balanced liquid fertilizer
Pests and Diseases
Aphids, Red blotch, Sawfly Larvae
Aphids, Powdery mildew
Plant Tolerance
Pollution, Soil Compaction, Wet Site
Drought
Flowers
Showy
Showy
Flower Petal Number
-
Single
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Medium
Fine
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
-
Birds, Butterflies, pollinators
Allergy
Asthma
Mild Allergen
Uses
Aesthetic Uses
Showy Purposes
Borders, Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Erosion control, Wildlife
Air purification
Plant Benefits
Medicinal Uses
-
-
Part of Plant Used
Whole plant
-
Other Uses
used for making roof trusses, poles, joists, piles, Used in construction, Used in Furniture
Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees
Mixed Border, Rock Garden
Botanical Name
BETULA nigra
LINARIA maroccana
Common Name
River Birch
Baby Snapdragon, Morocco Toadflax, Toadflax
In Hindi
River Birch
Toadflax
In German
Fluss Birch
Toadflax
In French
Birch river
Toadflax
In Spanish
river Birch
Toadflax
In Greek
ποταμός Birch
Toadflax
In Portuguese
river Birch
Linária
In Polish
Rzeka Birch
Toadflax
In Latin
Betula
Toadflax
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Scrophulariales
Family
Betulaceae
Scrophulariaceae
Genus
Betula
Linaria
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Tribe
-
Antirrhineae
Subfamily
-
-
Number of Species
3250
1
27800
👆🏻