Life Span
Perennial
Perennial
Type
Flowering Plants
Tree
Origin
South-Central United States
Southern Europe, Russia/Siberia, Mediterranean, Central Asia, Southeastern Asia, China
Types
Penstemon digitalis, Penstemon barbatus, Penstemon heterophyllus
Elaeagnus angustifolia
Number of Varieties
20030
0
40000
👆🏻
Habitat
Rocky areas
fencerows, Forest edges, mine spoils, Old fields, open Woodlands, Pastures, Roadsides, sand dunes
USDA Hardiness Zone
5-82-8
0
99
👆🏻
AHS Heat Zone
12-1
8-1
Sunset Zone
No Available
A2, A3, 1a, 1b, 2a, 2b, 3a, 3b, 7, 8, 9, 10, 11, 12, 13, 14, 18, 19
Habit
Clump-Forming
Oval or Rounded
Plant Size
Minimum Height
30.00 cm370.00 cm
0
3900
👆🏻
Minimum Width
30.50 cm370.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Purple
White, Yellow green, Silver
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Yellow, Silver
Leaf Color in Spring
Green
Light Green, Gray Green, Silver
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
Ovate
Thorns
✔
✘
✔
✘
Plant Season
-
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Medium
Fast
Type of Soil
Loam
Clay, Loam, Sand
The pH of Soil
Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring
Late Spring, Early Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Pollution, Salt, Soil Compaction
Where to Plant?
Ground
Ground
How to Plant?
From bulbs
Seedlings, Vegetative Reproduction
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Requires watering in the growing season
Do not let dry out between waterings, 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
Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Type
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
pruning needed for strong structure
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Canker, fungus, Insects, Leaf spot, Red blotch, Verticillium Wilt
Plant Tolerance
Drought
Pollution, Salt, Soil Compaction
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
Fine
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Hummingbirds, Butterflies
Birds
Allergy
-
Asthma
Uses
Aesthetic Uses
Showy Purposes
Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Wildlife
Plant Benefits
Medicinal Uses
-
-
Part of Plant Used
Flowers, Leaves
Whole plant
Other Uses
Showy Purposes, Used as Ornamental plant
Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bedding Plant, Rock Garden / Wall, Wildflower
Feature Plant, Hedges, Mixed Border, Screening / Wind Break, Topiary / Bonsai / Espalier
Botanical Name
PENSTEMON cobaea
ELAEAGNUS angustifolia
Common Name
Beardtongue
Russian Olive
In Hindi
Beardtongue
रूस ओलिव
In German
Bartfaden
russische Olive
In French
beardtongue
Olive russe
In Spanish
beardtongue
oliva ruso
In Greek
Beardtongue
Ρωσική Ελιάς
In Portuguese
Beardtongue
Olive russo
In Polish
Beardtongue
rosyjski Olive
In Latin
ursus lingua
Russian Olive
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Magnoliophyta
Class
Equisetopsida
Magnoliopsida
Order
Lamiales
Rhamnales
Family
Scrophulariaceae
Elaeagnaceae
Genus
Penstemon
Elaeagnus
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
-
-
Number of Species
26140
1
27800
👆🏻