Life Span
Perennial
Perennial
Type
Flowering Plants
Shrub
Origin
Southwestern United States, California
-
Types
-
Calycanthus floridus floridus, Calycanthus floridus glaucus
Number of Varieties
402
0
40000
👆🏻
Habitat
Dry areas, meadows
shaded woods, Woodlands
USDA Hardiness Zone
4-95-8
0
99
👆🏻
AHS Heat Zone
9-1
9-4
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 7, 8, 9, 10, 11, 12, 13, 18, 19, 20, 21
3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 20, 21, 22
Habit
Clump-Forming
Spreading
Plant Size
Minimum Height
61.00 cm180.00 cm
0
3900
👆🏻
Minimum Width
25.40 cm240.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Crimson
White, Light Yellow, Violet
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Green
Leaf Color in Spring
Green
Green
Leaf Color in Summer
Green
Green, Dark Green
Leaf Color in Fall
Green
Yellow, Light Yellow, Gold
Leaf Color in Winter
-
-
Shape
Leaf Shape
Oblong
Lobed
Thorns
✔
✘
✔
✘
Plant Season
Summer
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Fast
Medium
Type of Soil
Loam, Sand
Clay, Loam, Sand
The pH of Soil
Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Early Summer, Summer, Late Summer
Late Spring, Early Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought, Shade areas
Where to Plant?
Ground
Ground
How to Plant?
Seedlings, Stem Planting
Cuttings, Divison, Seedlings, Suckers
Plant Maintenance
Medium
Low
Watering Plants
Watering Requirements
Do Not over Water, Requires watering in the growing season, Water Deeply, Water when soil is dry
Requires regular watering
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, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Well 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 flowers, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer, Apply 10-10-10 amount
All-Purpose Liquid Fertilizer
Pests and Diseases
Insects
Bacterial Gall, Powdery mildew
Plant Tolerance
Drought
Drought, Shade areas
Flowers
Showy
Showy
Flower Petal Number
Single
Semi-Double
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
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Hummingbirds
Birds, Insects
Allergy
Asthma
Toxic if not prepared properly
Uses
Aesthetic Uses
Showy Purposes
Beautification, Cottage Garden
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Burns, Snakebite, Stomach aliments
Antispasmodic, Cardiac, Disinfectant, Diuretic
Part of Plant Used
Whole plant
Bark, Root
Other Uses
Used as Ornamental plant
Culinary use, Disinfectant, Repellent
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Mixed Border, Rock Garden / Wall, Wildflower
Feature Plant, Foundation, Mixed Border, Screening, Wind Break
Botanical Name
PENSTEMON eatonii
Calycanthus floridus
Common Name
Firecracker Penstemon
Sweetshrub
In Hindi
Firecracker penstemon
sweetshrub
In German
Kracher penstemon
sweetshrub
In French
Firecracker penstemon
sweetshrub
In Spanish
Penstemon del petardo
sweetshrub
In Greek
πυροτέχνημα penstemon
sweetshrub
In Portuguese
Penstemon do foguete
sweetshrub
In Polish
petarda penstemon
sweetshrub
In Latin
Firecracker Persicaria
sweetshrub
Kingdom
Plantae
Plantae
Phylum
-
Magnoliophyta
Class
-
Magnoliopsida
Order
Lamiales
Laurales
Family
Scrophulariaceae
Calycanthaceae
Genus
Penstemon
Calycanthus
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Magnoliids
Tribe
-
-
Subfamily
-
-
Number of Species
2504
1
27800
👆🏻