Life Span
Perennial
Perennial
Type
Flowering Plants
Tree
Origin
Southwestern United States, California
North America, Northeastern United States, Mid-Atlantic United States, North-Central United States, Central United States, South-Central United States, Canada
Types
-
-
Number of Varieties
4020
0
40000
👆🏻
Habitat
Dry areas, meadows
Woodland Garden Canopy
USDA Hardiness Zone
4-93-11
0
99
👆🏻
AHS Heat Zone
9-1
10-1
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
Upright/Erect
Plant Size
Minimum Height
61.00 cm1,830.00 cm
0
3900
👆🏻
Minimum Width
25.40 cm8.50 cm
0
6350
👆🏻
Plant Color
Flower Color
Crimson
Tan, Sandy Brown
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Green, Sandy Brown
Leaf Color in Spring
Green
Green
Leaf Color in Summer
Green
Green, Dark Green
Leaf Color in Fall
Green
Yellow, Green
Leaf Color in Winter
-
-
Shape
Leaf Shape
Oblong
oblong or obovate
Thorns
✔
✘
✔
✘
Plant Season
Summer
-
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
Neutral, Alkaline
Soil Drainage
Well drained
Average
Bloom Time
Early Summer, Summer, Late Summer
Early Spring, Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
-
Where to Plant?
Ground
Ground
How to Plant?
Seedlings, Stem Planting
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
Neutral, Alkaline
Soil Type
Loam, Sand
Clay, 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
Any balanced general purpose fertilizer
Pests and Diseases
Insects
Blackspot mold
Plant Tolerance
Drought
Drought
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
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Hummingbirds
Beetles, Birds
Allergy
Asthma
Miscarriage, Rash
Uses
Aesthetic Uses
Showy Purposes
-
Beauty Benefits
-
Beautiful Skin, Heals Damaged Hair, Strong, beautiful hair
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Burns, Snakebite, Stomach aliments
Demulcent, Diuretic, Expectorant, Nutritive
Part of Plant Used
Whole plant
Fruits, Inner Bark, Leaves
Other Uses
Used as Ornamental plant
Chewed as a thirst quencher, Tea-like beverage can be brewed, Used as a thickener in soups, Used to make a twine
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Mixed Border, Rock Garden / Wall, Wildflower
Shade Trees
Botanical Name
PENSTEMON eatonii
ULMUS rubra
Common Name
Firecracker Penstemon
Slippery Elm
In Hindi
Firecracker penstemon
Slippery Elm
In German
Kracher penstemon
Rotulme
In French
Firecracker penstemon
Slippery Elm
In Spanish
Penstemon del petardo
olmo resbaladizo
In Greek
πυροτέχνημα penstemon
Slippery Elm
In Portuguese
Penstemon do foguete
Slippery Elm
In Polish
petarda penstemon
Slippery Elm
In Latin
Firecracker Persicaria
Lubricus Elm
Kingdom
Plantae
Plantae
Phylum
-
Magnoliophyta
Class
-
Magnoliopsida
Order
Lamiales
Urticales
Family
Scrophulariaceae
Ulmaceae
Genus
Penstemon
Ulmus
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
-
-
Number of Species
25020
1
27800
👆🏻