Life Span
Perennial
Perennial
Type
Flowering Plants
Herbaceous Perennial
Origin
South-Central United States
Europe, Eastern Europe, Northern Europe, Southern Europe, Western Europe, Russia, Siberia, Mediterranean, Iraq, Iran, Western Asia
Types
Penstemon digitalis, Penstemon barbatus, Penstemon heterophyllus
-
Number of Varieties
2004
0
40000
👆🏻
Habitat
Rocky areas
Temperate Regions, Wet lands
USDA Hardiness Zone
5-84-8
0
99
👆🏻
AHS Heat Zone
12-1
8-3
Sunset Zone
No Available
A2, A3, 1a, 1b, 2a, 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
Clump-Forming
Plant Size
Minimum Height
30.00 cm90.00 cm
0
3900
👆🏻
Minimum Width
30.50 cm1,150.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Purple
Light Yellow, Chocolate
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Brown
Leaf Color in Spring
Green
Green, Gray Green
Leaf Color in Summer
Green
Gray Green, Dark Green
Leaf Color in Fall
Green
Gray Green, Dark Green, Yellow green
Leaf Color in Winter
-
Light Green
Shape
Leaf Shape
Long linear and narrow
Sword-like
Thorns
✔
✘
✔
✘
Plant Season
-
Spring, Summer
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
Soil Drainage
Well drained
Poorly Drained
Bloom Time
Late Spring
-
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought
Where to Plant?
Ground
Ground
How to Plant?
From bulbs
From Rhizomes, Seedlings, Water-dispersed Seed
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Requires watering in the growing season
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
Soil Type
Loam
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Poorly Drained
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun
Pruning
Remove damaged leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Bacteria, fungus, Viruses
Plant Tolerance
Drought
Drought
Flowers
✔
✘
✔
✘
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
Hummingbirds, Butterflies
Butterflies, Hummingbirds
Allergy
-
allergic reaction, Skin irritation
Uses
Aesthetic Uses
Showy Purposes
Beautification, Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
-
cathartic, Diarrhea
Part of Plant Used
Flowers, Leaves
Flowers, Rhizomes, Whole plant
Other Uses
Showy Purposes, Used as Ornamental plant
Used in herbal medicines
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bedding Plant, Rock Garden / Wall, Wildflower
Bog Garden, Container, Water Gardens
Botanical Name
PENSTEMON cobaea
IRIS pseudacorus
Common Name
Beardtongue
Pale Yellow Iris, Yellow Flag, Yellow Iris
In Hindi
Beardtongue
Pale Yellow Iris
In German
Bartfaden
Sumpf-Schwertlilie
In French
beardtongue
Iris pseudacorus
In Spanish
beardtongue
Iris pseudacorus
In Greek
Beardtongue
Pale Yellow Iris
In Portuguese
Beardtongue
Pale Yellow Iris
In Polish
Beardtongue
Kosaciec żółty
In Latin
ursus lingua
Pale Yellow Iris
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Magnoliophyta
Class
Equisetopsida
Liliopsida
Order
Lamiales
Asparagales
Family
Scrophulariaceae
Iridaceae
Genus
Penstemon
Iris
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Monocots
Tribe
-
Irideae
Subfamily
-
Iridoideae
Number of Species
261260
1
27800
👆🏻