Life Span
Perennial
Annual
Type
Flowering Plants
Shrub
Origin
South-Central United States
-
Types
Penstemon digitalis, Penstemon barbatus, Penstemon heterophyllus
Shrub, Ornamental Tree
Number of Varieties
20050
0
40000
👆🏻
Habitat
Rocky areas
River side, Riverbanks
USDA Hardiness Zone
5-85-9
0
99
👆🏻
AHS Heat Zone
12-1
8-1
Sunset Zone
No Available
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
Clump-Forming
Oval or Rounded
Plant Size
Minimum Height
30.00 cm240.00 cm
0
3900
👆🏻
Minimum Width
30.50 cm240.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Purple
-
Flower Color Modifier
Bicolor
-
Fruit Color
-
Red
Leaf Color in Spring
Green
White, Light Green, Gray
Leaf Color in Summer
Green
Light Green, Gray Green, Silver
Leaf Color in Fall
Green
Light Green, Gray Green, Silver
Leaf Color in Winter
-
-
Shape
Leaf Shape
Long linear and narrow
Lanceolate
Thorns
✔
✘
✔
✘
Plant Season
-
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Medium
Fast
Type of Soil
Loam
Clay, Loam, Sand
The pH of Soil
Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Average
Bloom Time
Late Spring
Late Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought
Where to Plant?
Ground
Ground, Pot
How to Plant?
From bulbs
Cuttings, Rooted stem cutting, Stem Cutting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Requires watering in the growing season
Allow to dry out slightly between watering, 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
Loam
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun
Pruning
Remove damaged leaves
Remove damaged leaves, Remove dead branches, Remove dead flowers, Remove dead leaves, Remove dead or diseased plant parts
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Birds, Caterpillars, Coral Spot, Red blotch, Sap-Sucking Insects
Plant Tolerance
Drought
Drought, Shade areas
Flowers
Showy
Showy
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
-
Sometimes
Self-Sowing
✔
✘
✔
✘
Attracts
Hummingbirds, Butterflies
Birds
Allergy
-
-
Uses
Aesthetic Uses
Showy Purposes
Borders, Mixed Border
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
-
anti-cancer, Febrifuge, Pectoral
Part of Plant Used
Flowers, Leaves
Fruits, Seeds
Other Uses
Showy Purposes, Used as Ornamental plant
Biomass for fuel, Used for making hedge
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bedding Plant, Rock Garden / Wall, Wildflower
Feature Plant, Hedges, Mixed Border, Screening, Wind Break
Botanical Name
PENSTEMON cobaea
ELAEAGNUS 'Quicksilver'
Common Name
Beardtongue
Oleaster
In Hindi
Beardtongue
इलेगनस
In German
Bartfaden
Elaeagnus
In French
beardtongue
Elaeagnus
In Spanish
beardtongue
Elaeagnus
In Greek
Beardtongue
Elaeagnus
In Portuguese
Beardtongue
Elaeagnus
In Polish
Beardtongue
Elaeagnus
In Latin
ursus lingua
Elaeagnus
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Tracheophyta
Class
Equisetopsida
Magnoliopsida
Order
Lamiales
Rosales
Family
Scrophulariaceae
Elaeagnaceae
Genus
Penstemon
Elaeagnus
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
-
-
Number of Species
26170
1
27800
👆🏻