Life Span
Annual
Perennial
Type
Shrub
Flowering Plants
Origin
Europe, Northern Africa, Western Asia
North-Central United States, Central United States, Western United States, Texas
Types
Shrub
Blue Toadflax, Old-Field Toadflax
Number of Varieties
530
0
40000
👆🏻
Habitat
Woods
Cultivated Beds
USDA Hardiness Zone
4-83-9
0
99
👆🏻
AHS Heat Zone
8-1
9-1
Sunset Zone
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20
1a, 1b, 2a, 2b, 3a, 3b, 10
Habit
Thicket/Colonizing
Upright/Erect
Plant Size
Minimum Height
180.00 cm61.00 cm
0
3900
👆🏻
Minimum Width
180.00 cm25.40 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow
Pink, Light Blue, Lavender
Flower Color Modifier
-
Bicolor
Fruit Color
Brown
-
Leaf Color in Spring
Green
Light Green, Blue Green, Gray Green
Leaf Color in Summer
Green, Dark Green
Blue Green, Gray Green
Leaf Color in Fall
Yellow, Green
Blue Green, Gray Green
Leaf Color in Winter
-
-
Shape
Leaf Shape
Lobed
Oval to egg shaped
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Growth Rate
Medium
Fast
Type of Soil
Clay, Loam, Sand
Clay, Loam
The pH of Soil
Acidic, Neutral, Alkaline
Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Early Spring, Spring, Late Winter
Late Spring, Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought
Where to Plant?
Ground, Pot
Ground
How to Plant?
Grafting
Cuttings, Divison, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Do Not over Water
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, Alkaline
Neutral, Alkaline
Soil Type
Clay, Loam, Sand
Clay, Loam
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
use all-purpose fertilizers
Pests and Diseases
Red blotch
Foliar disease, Root rot, Spider mites
Plant Tolerance
Drought
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
Coarse
Medium
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
-
Bumblebees
Allergy
-
Depression, High blood cholestrol, Pain
Uses
Aesthetic Uses
Showy Purposes
Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Minerals, Rich in protein, tonic in pregnancy, Vitamin E
Analgesic, Febrifuge, Stomachic
Part of Plant Used
Fruits, Leaves, Seeds, Wood
Leaves, Root
Other Uses
Culinary use, Used for its medicinal properties
-
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Foundation, Mixed Border, Topiary, Bonsai, Espalier
Rock Garden / Wall, Wildflower
Botanical Name
CORYLUS avellana 'Contorta'
PENSTEMON grandiflorus
Common Name
common hazel
Large Beardtongue, Shell-leaf Penstemon, Wild Snapdragon
In Hindi
contorted filbert
Wild Snapdragon
In German
contorted filbert
Wilde Snapdragon
In French
noisetier contorsionné
Snapdragon sauvage
In Spanish
avellana contorsionada
Salvaje Snapdragon
In Greek
παραμορφωμένες φουντουκιού
άγρια Snapdragon
In Portuguese
filbert contorcido
Selvagem Snapdragon
In Polish
wykrzywioną leszczyna
Dziki Snapdragon
In Latin
contortis Avellanam
Phlox Ferae
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Scrophulariales
Family
Betulaceae
Scrophulariaceae
Genus
Corylus
Penstemon
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Tribe
-
-
Subfamily
-
Scrophularioideae
Number of Species
1540
1
27800
👆🏻