Life Span
Perennial
Perennial
Type
Flowering Plants
Tree
Origin
North-Central United States, Central United States, Western United States, Texas
North America, United States, Northwestern United States, Alaska, California, Canada
Types
Blue Toadflax, Old-Field Toadflax
-
Number of Varieties
3030
0
40000
👆🏻
Habitat
Cultivated Beds
Lowland evergreen rainforest
USDA Hardiness Zone
3-94-7
0
99
👆🏻
AHS Heat Zone
9-1
7-1
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 10
3a, 3b, 4, 5, 6, 7, 14, 15, 16, 17
Habit
Upright/Erect
Pyramidal
Plant Size
Minimum Height
61.00 cm1,370.00 cm
0
3900
👆🏻
Minimum Width
25.40 cm610.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Pink, Light Blue, Lavender
Yellow, Red, Coral
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Brown
Leaf Color in Spring
Light Green, Blue Green, Gray Green
Green, Dark Green
Leaf Color in Summer
Blue Green, Gray Green
Dark Green
Leaf Color in Fall
Blue Green, Gray Green
Dark Green
Leaf Color in Winter
-
-
Shape
Leaf Shape
Oval to egg shaped
Ovate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Fast
Fast
Type of Soil
Clay, Loam
Loam, Sand
The pH of Soil
Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Average
Bloom Time
Late Spring, Early Summer, Summer
Early Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Maritime exposure, Salt water
Where to Plant?
Ground
Ground
How to Plant?
Cuttings, Divison, Seedlings
Layering, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Do Not over Water
Average Water Needs
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Type
Clay, Loam
Loam, Sand
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
use all-purpose fertilizers
All-Purpose Liquid Fertilizer, Nitrogen
Pests and Diseases
Foliar disease, Root rot, Spider mites
-
Plant Tolerance
Drought
Maritime exposure, Salt water
Flowers
Showy
Insignificant
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
Medium
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Bumblebees
Insects
Allergy
Depression, High blood cholestrol, Pain
-
Uses
Aesthetic Uses
Showy Purposes
-
Beauty Benefits
-
Skin Problems
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification, Prevent Soil Erosion, Shadow Tree
Plant Benefits
Medicinal Uses
Analgesic, Febrifuge, Stomachic
Anodyne, Appetizer, Astringent
Part of Plant Used
Leaves, Root
Flowers, Inner Bark, Sap
Other Uses
-
Used as a dye, used for making charcoal, Used for making informal hedge
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Rock Garden / Wall, Wildflower
Screening / Wind Break, Shade Trees
Botanical Name
PENSTEMON grandiflorus
ALNUS rubra
Common Name
Large Beardtongue, Shell-leaf Penstemon, Wild Snapdragon
Oregon Alder, Red Alder
In Hindi
Wild Snapdragon
red alder
In German
Wilde Snapdragon
rot-Erle
In French
Snapdragon sauvage
aulne rouge
In Spanish
Salvaje Snapdragon
aliso rojo
In Greek
άγρια Snapdragon
κόκκινη σκλήθρα
In Portuguese
Selvagem Snapdragon
amieiro vermelho
In Polish
Dziki Snapdragon
czerwony olcha
In Latin
Phlox Ferae
red alnus
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Scrophulariales
Fagales
Family
Scrophulariaceae
Betulaceae
Genus
Penstemon
Alnus
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
Scrophularioideae
-
Number of Species
4035
1
27800
👆🏻