Life Span
Perennial
Perennial
Type
Flowering Plants
Tree
Origin
South-Central United States
Southern Asia, Southeastern Asia, India, Nepal
Types
Penstemon digitalis, Penstemon barbatus, Penstemon heterophyllus
Rubber Plant, Rubber Fig
Number of Varieties
20060
0
40000
👆🏻
Habitat
Rocky areas
agricultural areas, Along Railroads, Coastal Regions, Forests, Roadsides, Scrubs, Suburban areas
USDA Hardiness Zone
5-810-11
0
99
👆🏻
AHS Heat Zone
12-1
12-10
Sunset Zone
No Available
H1, H2, 16, 17, 19, 20, 21, 22, 23, 24
Habit
Clump-Forming
Upright/Erect
Plant Size
Minimum Height
30.00 cm180.00 cm
0
3900
👆🏻
Minimum Width
30.50 cm90.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Purple
-
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Yellow, Yellow green
Leaf Color in Spring
Green
Red, Dark Green, Crimson
Leaf Color in Summer
Green
Red, Dark Green, Crimson
Leaf Color in Fall
Green
Red, Dark Green, Crimson
Leaf Color in Winter
-
Red, Dark Green, Crimson
Shape
Leaf Shape
Long linear and narrow
Elliptic to oblong
Thorns
✔
✘
✔
✘
Plant Season
-
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Medium
Fast
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
-
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
-
Where to Plant?
Ground
Ground
How to Plant?
From bulbs
Seedlings, Vegetative Reproduction
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Requires watering in the growing season
Keep ground moist, Requires a lot of 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, Alkaline
Soil Type
Loam
Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Pruning
Remove damaged leaves
Prune for shortening long shoots
Fertilizers
All-Purpose Liquid Fertilizer
don't fertilize in winter
Pests and Diseases
Red blotch
Mealybugs, Red blotch, Scale, Spider mites, Yellow Leaves
Plant Tolerance
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
Bold
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Hummingbirds, Butterflies
-
Allergy
-
Asthma, breathing problems
Uses
Aesthetic Uses
Showy Purposes
Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification, soil erosion prevension on hill slopes
Plant Benefits
Medicinal Uses
-
-
Part of Plant Used
Flowers, Leaves
Latex
Other Uses
Showy Purposes, Used as Ornamental plant
Making rubber, Making tyres
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bedding Plant, Rock Garden / Wall, Wildflower
Container, Feature Plant, Houseplant, Shade Trees, Tropical
Botanical Name
PENSTEMON cobaea
FICUS elastica
Common Name
Beardtongue
Rubber Plant
In Hindi
Beardtongue
रबड़ का पौधा
In German
Bartfaden
Ficus elastica
In French
beardtongue
Ficus elastica
In Spanish
beardtongue
ficus
In Greek
Beardtongue
ελαστικός φίκος
In Portuguese
Beardtongue
fábrica de borracha
In Polish
Beardtongue
gumy roślin
In Latin
ursus lingua
Flexilis herba
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Tracheophyta
Class
Equisetopsida
Magnoliopsida
Order
Lamiales
Rosales
Family
Scrophulariaceae
Moraceae
Genus
Penstemon
Ficus
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
-
Ficeae
Subfamily
-
-
Number of Species
261800
1
27800
👆🏻