Life Span
Perennial
Perennial
Type
Tree
Flowering Plants
Origin
Southeastern Asia
South-Central United States
Types
Nilambur teak, Adilabad teak
Penstemon digitalis, Penstemon barbatus, Penstemon heterophyllus
Number of Varieties
5200
0
40000
👆🏻
Habitat
Hillside, tropical environments
Rocky areas
USDA Hardiness Zone
10-155-8
0
99
👆🏻
AHS Heat Zone
12-10
12-1
Sunset Zone
H1, H2
No Available
Habit
Upright/Erect
Clump-Forming
Plant Size
Minimum Height
2,740.00 cm30.00 cm
0
3900
👆🏻
Minimum Width
1,220.00 cm30.50 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Ivory
White, Purple
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Tan, Sandy Brown
-
Leaf Color in Spring
Green, Light Green
Green
Leaf Color in Summer
Green
Green
Leaf Color in Fall
Green
Green
Leaf Color in Winter
-
-
Shape
Leaf Shape
Oval
Long linear and narrow
Thorns
✔
✘
✔
✘
Plant Season
-
-
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Medium
Medium
Type of Soil
Loam, Sand
Loam
The pH of Soil
Acidic, Neutral
Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Summer, Late Summer, Early Fall
Late Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
-
Where to Plant?
Ground
Ground
How to Plant?
Seedlings, Transplanting
From bulbs
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Water daily during growing season
Requires watering in the growing season
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral
Neutral, Alkaline
Soil Type
Loam, Sand
Loam
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun
Pruning
Remove dead or diseased plant parts, Remove deadheads, Requires very little pruning
Remove damaged leaves
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Pests and diseases free
Red blotch
Plant Tolerance
-
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
Coarse
Medium
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds, Woodpeckers
Hummingbirds, Butterflies
Allergy
Eye irritation, Red eyes
-
Uses
Aesthetic Uses
Cottage Garden
Showy Purposes
Beauty Benefits
For treating wrinkles, Making cosmetics
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Absorbs greenhouse gases, Nesting sites for birds, Shadow Tree
Air purification
Plant Benefits
Medicinal Uses
Anemia, Inflammation, Swelling
-
Part of Plant Used
Flowers, Root bark
Flowers, Leaves
Other Uses
Used in construction, Used in pencil industry, Wood is used for making furniture
Showy Purposes, Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees, Tropical
Bedding Plant, Rock Garden / Wall, Wildflower
Botanical Name
TECTONA grandis
PENSTEMON cobaea
Common Name
East Indian Oak, Teak
Beardtongue
In Hindi
सागौन
Beardtongue
In German
Teak
Bartfaden
In French
Teak
beardtongue
In Spanish
Teak
beardtongue
In Greek
Teak
Beardtongue
In Portuguese
Teak
Beardtongue
In Polish
Teak
Beardtongue
In Latin
Teak
ursus lingua
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Tracheophyta
Class
Magnoliopsida
Equisetopsida
Order
Lamiales
Lamiales
Family
Verbenaceae
Scrophulariaceae
Genus
Tectona
Penstemon
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Asterids, Eudicots
Tribe
-
-
Subfamily
-
-
Number of Species
5261
1
27800
👆🏻