Life Span
Perennial
Perennial
Type
Flowering Plants
Shrub
Origin
North-Central United States, Central United States, Western United States, Texas
China, Japan
Types
Blue Toadflax, Old-Field Toadflax
-
Number of Varieties
305
0
40000
👆🏻
Habitat
Cultivated Beds
subtropical regions, Temperate Regions
USDA Hardiness Zone
3-96-9
0
99
👆🏻
AHS Heat Zone
9-1
9-7
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 10
4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Upright/Erect
Oval or Rounded
Plant Size
Minimum Height
61.00 cm300.00 cm
0
3900
👆🏻
Minimum Width
25.40 cm300.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Pink, Light Blue, Lavender
White, Silver
Flower Color Modifier
Bicolor
-
Fruit Color
-
Reddish Plum
Leaf Color in Spring
Light Green, Blue Green, Gray Green
White, Dark Green, Sienna
Leaf Color in Summer
Blue Green, Gray Green
White, Dark Green, Sienna
Leaf Color in Fall
Blue Green, Gray Green
White, Dark Green, Sienna
Leaf Color in Winter
-
White, Dark Green, Sienna
Shape
Leaf Shape
Oval to egg shaped
broad, flat
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Fast
Fast
Type of Soil
Clay, Loam
Clay, Loam, Sand
The pH of Soil
Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer, Summer
Fall, Late Fall
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Pollution, Salt
Where to Plant?
Ground
Ground, Pot
How to Plant?
Cuttings, Divison, Seedlings
Cuttings, root cutting, 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
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
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
Pests and Diseases
Foliar disease, Root rot, Spider mites
Coral Spot, Leaf spot, Red blotch
Plant Tolerance
Drought
Drought
Flowers
Showy
Insignificant
Flower Petal Number
Single
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
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Bumblebees
Birds
Allergy
Depression, High blood cholestrol, Pain
Toxic
Uses
Aesthetic Uses
Showy Purposes
Bonsai, Cottage Garden, Ground Cover
Beauty Benefits
-
Skin irritation
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Fixes Nitrogen
Plant Benefits
Medicinal Uses
Analgesic, Febrifuge, Stomachic
Antiasthamatic, Antitussive, Astringent
Part of Plant Used
Leaves, Root
Fruits, Leaves, Root, Stem
Other Uses
-
Used as Ornamental plant, Used for making hedge
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Rock Garden / Wall, Wildflower
Feature Plant, Hedges, Screening, Wind Break
Botanical Name
PENSTEMON grandiflorus
Elaeagnus pungens
Common Name
Large Beardtongue, Shell-leaf Penstemon, Wild Snapdragon
Silverthorn
In Hindi
Wild Snapdragon
Silverthorn
In German
Wilde Snapdragon
Silverthorn
In French
Snapdragon sauvage
Silverthorn
In Spanish
Salvaje Snapdragon
Silverthorn
In Greek
άγρια Snapdragon
Silverthorn
In Portuguese
Selvagem Snapdragon
Silverthorn
In Polish
Dziki Snapdragon
Silverthorn
In Latin
Phlox Ferae
Silverthorn
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Scrophulariales
Rhamnales
Family
Scrophulariaceae
Elaeagnaceae
Genus
Penstemon
Elaeagnus
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
Scrophularioideae
-
Number of Species
4070
1
27800
👆🏻