Life Span
Perennial
Annual and Perennial
Type
Flowering Plants
Tree
Origin
South-Central United States
South America, Brazil
Types
Penstemon digitalis, Penstemon barbatus, Penstemon heterophyllus
Rosea, Chrysotricha, Impetiginosa, Avellanedae
Number of Varieties
20025
0
40000
👆🏻
Habitat
Rocky areas
Dry areas, Forest edges
USDA Hardiness Zone
5-89-12
0
99
👆🏻
AHS Heat Zone
12-1
12-8
Sunset Zone
No Available
H1, 13, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Clump-Forming
Oval or Rounded
Plant Size
Minimum Height
30.00 cm1,220.00 cm
0
3900
👆🏻
Minimum Width
30.50 cm1,070.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Purple
Yellow, Lemon yellow
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Brown, Sandy Brown
Leaf Color in Spring
Green
Green, Light Green
Leaf Color in Summer
Green
Green, Gray Green
Leaf Color in Fall
Green
Green, Gray Green
Leaf Color in Winter
-
-
Shape
Leaf Shape
Long linear and narrow
Oblong
Thorns
✔
✘
✔
✘
Plant Season
-
Spring, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun
Growth Rate
Medium
Slow
Type of Soil
Loam
Clay, Loam, Sand
The pH of Soil
Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring
Early Spring, Late Winter
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought
Where to Plant?
Ground
Ground
How to Plant?
From bulbs
Seedlings, Seperation, Vegetative Reproduction
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Requires watering in the growing season
Keep the ground moist but not water-logged, Requires watering in the growing season, Water more in summer, Water occasionally
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
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun
Pruning
Remove damaged leaves
Cut leaves after fall, Pinch or prune as they grow to promote branching and bushiness, Prune before Winter, Prune when plant is dormant, Remove dead leaves, Remove deadheads
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Pests and diseases free, Red blotch
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
Medium
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Hummingbirds, Butterflies
-
Allergy
-
-
Uses
Aesthetic Uses
Showy Purposes
Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
-
-
Part of Plant Used
Flowers, Leaves
Leaves, Wood
Other Uses
Showy Purposes, Used as Ornamental plant
Wood is used for making furniture, Wood is used in construction
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bedding Plant, Rock Garden / Wall, Wildflower
Feature Plant, Shade Trees, Street Trees, Tropical
Botanical Name
PENSTEMON cobaea
HANDROANTHUS billbergii
Common Name
Beardtongue
Guayacán, Tabebuia
In Hindi
Beardtongue
Tabebuia
In German
Bartfaden
Tabebuia
In French
beardtongue
Tabebuia
In Spanish
beardtongue
Tabebuia
In Greek
Beardtongue
Tabebuia
In Portuguese
Beardtongue
Tabebuia
In Polish
Beardtongue
Tabebuia
In Latin
ursus lingua
Tabebuia
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
-
Class
Equisetopsida
-
Order
Lamiales
Lamiales
Family
Scrophulariaceae
Bignoniaceae
Genus
Penstemon
Tabebuia
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Asterids, Eudicots
Tribe
-
-
Subfamily
-
-
Number of Species
26167
1
27800
👆🏻