Life Span
Perennial
Perennial
Type
Flowering Plants
Perennial
Origin
South-Central United States
Eastern Europe, Russia, Siberia
Types
Penstemon digitalis, Penstemon barbatus, Penstemon heterophyllus
Iris sibirica
Number of Varieties
20090
0
40000
👆🏻
Habitat
Rocky areas
Damp shady woods, Pastures
USDA Hardiness Zone
5-83-8
0
99
👆🏻
AHS Heat Zone
12-1
7-1
Sunset Zone
No Available
A2, A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23
Habit
Clump-Forming
Clump-Forming
Plant Size
Minimum Height
30.00 cm50.80 cm
0
3900
👆🏻
Minimum Width
30.50 cm61.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Purple
White, Purple, Blue Violet
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
-
Leaf Color in Spring
Green
Green, Dark Green
Leaf Color in Summer
Green
Green, Dark Green
Leaf Color in Fall
Green
Green, Dark Green
Leaf Color in Winter
-
Light Green
Shape
Leaf Shape
Long linear and narrow
Linear
Thorns
✔
✘
✔
✘
Plant Season
-
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
Average
Bloom Time
Late Spring
Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought
Where to Plant?
Ground
Ground
How to Plant?
From bulbs
Bulbs, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Requires watering in the growing season
Keep ground moist
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
Average
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
Red blotch
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
pollinators
Allergy
-
allergic reaction, Skin irritation
Uses
Aesthetic Uses
Showy Purposes
Bog Garden, Showy Purposes, Woodland margins
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
-
Expectorant
Part of Plant Used
Flowers, Leaves
Flowers, Root
Other Uses
Showy Purposes, Used as Ornamental plant
Used as an insecticide
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bedding Plant, Rock Garden / Wall, Wildflower
Bog Garden, Cutflower, Feature Plant, Foundation, Mixed Border
Botanical Name
PENSTEMON cobaea
IRIS sibirica
Common Name
Beardtongue
Siberian Iris
In Hindi
Beardtongue
Siberian Iris
In German
Bartfaden
Sibirische Schwertlilie
In French
beardtongue
L'Iris de Sibérie
In Spanish
beardtongue
Siberian Iris
In Greek
Beardtongue
Siberian Iris
In Portuguese
Beardtongue
Siberian Iris
In Polish
Beardtongue
Kosaciec syberyjski
In Latin
ursus lingua
Siberian Iris
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Tracheobionta
Class
Equisetopsida
Liliopsida
Order
Lamiales
Liliales
Family
Scrophulariaceae
Iridaceae
Genus
Penstemon
Iris
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Monocots
Tribe
-
Irideae
Subfamily
-
Iridoideae
Number of Species
261300
1
27800
👆🏻