Life Span
Perennial
Perennial
Type
Flowering Plants
Palm or Cycad
Origin
South-Central United States
Madagascar
Types
Penstemon digitalis, Penstemon barbatus, Penstemon heterophyllus
Bismarckia nobilis
Number of Varieties
2001
0
40000
👆🏻
Habitat
Rocky areas
Subtropical climates, tropical environments
USDA Hardiness Zone
5-810-15
0
99
👆🏻
AHS Heat Zone
12-1
12-9
Sunset Zone
No Available
H1, H2, 22, 23, 24
Habit
Clump-Forming
Oval or Rounded
Plant Size
Minimum Height
30.00 cm152.00 cm
0
3900
👆🏻
Minimum Width
30.50 cm610.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Purple
Light Yellow
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Brown, Chocolate
Leaf Color in Spring
Green
Blue Green, Silver, Gray
Leaf Color in Summer
Green
Silver, Gray
Leaf Color in Fall
Green
Silver, Gray
Leaf Color in Winter
-
Silver, Gray
Shape
Leaf Shape
Long linear and narrow
Costapalmate
Thorns
✔
✘
✔
✘
Plant Season
-
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Medium
Medium
Type of Soil
Loam
Loam, Sand
The pH of Soil
Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring
Indeterminate
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought, Salt
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
From bulbs
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Requires watering in the growing season
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
Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun
Pruning
Remove damaged leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Larva, Palmetto weevil
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
Bold
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Hummingbirds, Butterflies
Hummingbirds
Allergy
-
Oral Cancers
Uses
Aesthetic Uses
Showy Purposes
Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
-
Antidepressant
Part of Plant Used
Flowers, Leaves
Nut
Other Uses
Showy Purposes, Used as Ornamental plant
Chewing
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bedding Plant, Rock Garden / Wall, Wildflower
Feature Plant, Foundation, Tropical
Botanical Name
PENSTEMON cobaea
BISMARCKIA nobilis
Common Name
Beardtongue
Bismarck Palm
In Hindi
Beardtongue
Bismarck Palm
In German
Bartfaden
Bismarck Palm
In French
beardtongue
Bismarck Palm
In Spanish
beardtongue
Bismarck Palm
In Greek
Beardtongue
Bismarck Palm
In Portuguese
Beardtongue
Bismarck Palm
In Polish
Beardtongue
Bismarck Palm
In Latin
ursus lingua
Bismarck Palm
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Magnoliophyta
Class
Equisetopsida
Monocotyledonae
Order
Lamiales
Arecales
Family
Scrophulariaceae
Arecaceae
Genus
Penstemon
Bismarckia
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Commelinids, Monocots
Tribe
-
Borasseae
Subfamily
-
Coryphoideae
Number of Species
2611
1
27800
👆🏻