Life Span
Perennial
Annual
Type
Flowering Plants
Sedge or Rush
Origin
Southwestern United States, California
Southern Europe, United Kingdom, Northern Africa
Types
-
-
Number of Varieties
4020
0
40000
👆🏻
Habitat
Dry areas, meadows
Grassland, Humid climates, Riverbanks, Wet forest
USDA Hardiness Zone
4-98-11
0
99
👆🏻
AHS Heat Zone
9-1
11-1
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 7, 8, 9, 10, 11, 12, 13, 18, 19, 20, 21
7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Clump-Forming
Arching/Fountain-shaped
Plant Size
Minimum Height
61.00 cm15.20 cm
0
3900
👆🏻
Minimum Width
25.40 cm45.70 cm
0
6350
👆🏻
Plant Color
Flower Color
Crimson
White
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
-
Leaf Color in Spring
Green
Green
Leaf Color in Summer
Green
Green
Leaf Color in Fall
Green
Green
Leaf Color in Winter
-
Green
Shape
Leaf Shape
Oblong
Linear
Thorns
✔
✘
✔
✘
Plant Season
Summer
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Fast
Slow
Type of Soil
Loam, Sand
Loam
The pH of Soil
Neutral, Alkaline
Neutral
Soil Drainage
Well drained
Poorly Drained
Bloom Time
Early Summer, Summer, Late Summer
Indeterminate
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
Seedlings, Stem Planting
Seedlings, Stem Planting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Do Not over Water, Requires watering in the growing season, Water Deeply, Water when soil is dry
Keep the ground moist but not water-logged, Requires regular watering, Water when soil is dry
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Neutral, Alkaline
Neutral
Soil Type
Loam, Sand
Loam
Soil Drainage Capacity
Well drained
Poorly Drained
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Pruning
No pruning needed in the early stages, Prune to stimulate growth, Remove damaged leaves, Remove dead leaves, Remove deadheads
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer, Apply 10-10-10 amount
All-Purpose Liquid Fertilizer
Pests and Diseases
Insects
Red blotch
Plant Tolerance
Drought
Drought
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
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Hummingbirds
Insects
Allergy
Asthma
Asthma, Skin irritation
Uses
Aesthetic Uses
Showy Purposes
Beautification
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Burns, Snakebite, Stomach aliments
Digestion problems, Fever
Part of Plant Used
Whole plant
Whole plant
Other Uses
Used as Ornamental plant
Showy Purposes, Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Mixed Border, Rock Garden / Wall, Wildflower
Bog Garden, Container, Edging, Rock Garden / Wall
Botanical Name
PENSTEMON eatonii
ISOLEPIS cernua
Common Name
Firecracker Penstemon
Low Bulrush
Slender Clubrush
In Hindi
Firecracker penstemon
फाइबर ऑप्टिक घास
In German
Kracher penstemon
Lichtwellenleiter-Gras
In French
Firecracker penstemon
Fibre optique Herbe
In Spanish
Penstemon del petardo
Hierba de fibra óptica
In Greek
πυροτέχνημα penstemon
Οπτικών Ινών Grass
In Portuguese
Penstemon do foguete
Fibra Óptica Relva
In Polish
petarda penstemon
Światłowody Trawa
In Latin
Firecracker Persicaria
Fiber opticus Grass
Kingdom
Plantae
Plantae
Phylum
-
-
Class
-
-
Order
Lamiales
Poales
Family
Scrophulariaceae
Cyperaceae
Genus
Penstemon
Isolepis
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Commelinids, Monocots
Tribe
-
-
Subfamily
-
Pooideae
Number of Species
25070
1
27800
👆🏻