Life Span
Annual
Perennial
Type
Shrub
Flowering Plants
Origin
Southeastern Asia, India, China
Southwestern United States, California
Types
Shrub
-
Number of Varieties
140
0
40000
👆🏻
Habitat
Tropical regions
Dry areas, meadows
USDA Hardiness Zone
10-154-9
0
99
👆🏻
AHS Heat Zone
12-8
9-1
Sunset Zone
H1, H2, 13, 24
1a, 1b, 2a, 2b, 3a, 3b, 7, 8, 9, 10, 11, 12, 13, 18, 19, 20, 21
Habit
Spreading
Clump-Forming
Plant Size
Minimum Height
180.00 cm61.00 cm
0
3900
👆🏻
Minimum Width
240.00 cm25.40 cm
0
6350
👆🏻
Plant Color
Flower Color
Lavender
Crimson
Flower Color Modifier
-
Bicolor
Fruit Color
Brown
-
Leaf Color in Spring
Gray Green, Silver
Green
Leaf Color in Summer
Gray Green, Silver
Green
Leaf Color in Fall
Gray Green
Green
Leaf Color in Winter
Gray Green
-
Shape
Leaf Shape
Lobed
Oblong
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Summer
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Fast
Fast
Type of Soil
Sand
Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Indeterminate
Early Summer, Summer, Late Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought, Salt
-
Where to Plant?
Ground
Ground
How to Plant?
Stem Cutting
Seedlings, Stem Planting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Do Not over Water
Do Not over Water, Requires watering in the growing season, Water Deeply, 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
Acidic, Neutral, Alkaline
Neutral, Alkaline
Soil Type
Sand
Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
No pruning needed in the early stages, Prune to stimulate growth, Remove damaged leaves, Remove dead leaves, Remove deadheads
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer, Apply 10-10-10 amount
Pests and Diseases
Red blotch
Insects
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
Bold
Medium
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Butterflies
Hummingbirds
Allergy
-
Asthma
Uses
Aesthetic Uses
Showy Purposes
Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Abandonment, epilepsy, Fever, Gout, Leprosy, Skin irritation, Syphilis, Tooth ache, Ulcers
Burns, Snakebite, Stomach aliments
Part of Plant Used
Flowers, Leaves, Root
Whole plant
Other Uses
Used for its medicinal properties
Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Feature Plant, Mixed Border, Rock Garden, Wall, Tropical
Container, Mixed Border, Rock Garden / Wall, Wildflower
Botanical Name
CALOTROPIS gigantea
PENSTEMON eatonii
Common Name
Crown flower
Firecracker Penstemon
In Hindi
Crown flower
Firecracker penstemon
In German
Crown Blume
Kracher penstemon
In French
fleur de la Couronne
Firecracker penstemon
In Spanish
flor de la corona
Penstemon del petardo
In Greek
στέμμα λουλούδι
πυροτέχνημα penstemon
In Portuguese
coroa da flor
Penstemon do foguete
In Polish
korona kwiatu
petarda penstemon
In Latin
flos florum
Firecracker Persicaria
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
-
Class
Magnoliopsida
-
Order
Gentianales
Lamiales
Family
Asclepiadaceae
Scrophulariaceae
Genus
Calotropis
Penstemon
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Asterids, Eudicots
Tribe
-
-
Subfamily
Asclepiadoideae
-
Number of Species
200250
1
27800
👆🏻