Life Span
Perennial
Perennial
Type
Flowering Plants
Tree
Origin
Southwestern United States, California
North America, United States, Northwestern United States, Alaska, California, Canada
Types
-
-
Number of Varieties
4030
0
40000
👆🏻
Habitat
Dry areas, meadows
Lowland evergreen rainforest
USDA Hardiness Zone
4-94-7
0
99
👆🏻
AHS Heat Zone
9-1
7-1
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, 14, 15, 16, 17
Habit
Clump-Forming
Pyramidal
Plant Size
Minimum Height
61.00 cm1,370.00 cm
0
3900
👆🏻
Minimum Width
25.40 cm610.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Crimson
Yellow, Red, Coral
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Brown
Leaf Color in Spring
Green
Green, Dark Green
Leaf Color in Summer
Green
Dark Green
Leaf Color in Fall
Green
Dark Green
Leaf Color in Winter
-
-
Shape
Leaf Shape
Oblong
Ovate
Thorns
✔
✘
✔
✘
Plant Season
Summer
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Fast
Fast
Type of Soil
Loam, Sand
Loam, Sand
The pH of Soil
Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Average
Bloom Time
Early Summer, Summer, Late Summer
Early Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Maritime exposure, Salt water
Where to Plant?
Ground
Ground
How to Plant?
Seedlings, Stem Planting
Layering, Seedlings
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
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, Alkaline
Soil Type
Loam, Sand
Loam, Sand
Soil Drainage Capacity
Well drained
Average
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, Nitrogen
Pests and Diseases
Insects
-
Plant Tolerance
Drought
Maritime exposure, Salt water
Flowers
Showy
Insignificant
Flower Petal Number
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
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Hummingbirds
Insects
Allergy
Asthma
-
Uses
Aesthetic Uses
Showy Purposes
-
Beauty Benefits
-
Skin Problems
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification, Prevent Soil Erosion, Shadow Tree
Plant Benefits
Medicinal Uses
Burns, Snakebite, Stomach aliments
Anodyne, Appetizer, Astringent
Part of Plant Used
Whole plant
Flowers, Inner Bark, Sap
Other Uses
Used as Ornamental plant
Used as a dye, used for making charcoal, Used for making informal hedge
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Mixed Border, Rock Garden / Wall, Wildflower
Screening / Wind Break, Shade Trees
Botanical Name
PENSTEMON eatonii
ALNUS rubra
Common Name
Firecracker Penstemon
Oregon Alder, Red Alder
In Hindi
Firecracker penstemon
red alder
In German
Kracher penstemon
rot-Erle
In French
Firecracker penstemon
aulne rouge
In Spanish
Penstemon del petardo
aliso rojo
In Greek
πυροτέχνημα penstemon
κόκκινη σκλήθρα
In Portuguese
Penstemon do foguete
amieiro vermelho
In Polish
petarda penstemon
czerwony olcha
In Latin
Firecracker Persicaria
red alnus
Kingdom
Plantae
Plantae
Phylum
-
Magnoliophyta
Class
-
Magnoliopsida
Order
Lamiales
Fagales
Family
Scrophulariaceae
Betulaceae
Genus
Penstemon
Alnus
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
-
-
Number of Species
25035
1
27800
👆🏻