Life Span
Perennial
Perennial
Type
Tree
Flowering Plants
Origin
Southeastern Asia
Northeastern United States, Mid-Atlantic United States, North-Central United States, Central United States
Types
Nilambur teak, Adilabad teak
Penstemon
Number of Varieties
515
0
40000
👆🏻
Habitat
Hillside, tropical environments
Fields, open Woodlands, Wood Margins
USDA Hardiness Zone
10-153-8
0
99
👆🏻
AHS Heat Zone
12-10
8-1
Sunset Zone
H1, H2
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Upright/Erect
Clump-Forming
Plant Size
Minimum Height
2,740.00 cm60.00 cm
0
3900
👆🏻
Minimum Width
1,220.00 cm30.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Ivory
White, Light Pink
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Tan, Sandy Brown
Brown
Leaf Color in Spring
Green, Light Green
Dark Red
Leaf Color in Summer
Green
Dark Red
Leaf Color in Fall
Green
Dark Red
Leaf Color in Winter
-
-
Shape
Leaf Shape
Oval
Lance-shaped to oblong
Thorns
✔
✘
✔
✘
Plant Season
-
Spring, Summer
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Medium
Fast
Type of Soil
Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Summer, Late Summer, Early Fall
Late Spring, Early Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought, Salt
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
Seedlings, Transplanting
Root Division, Seedlings, Softwood cuttings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Water daily during 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
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Type
Loam, Sand
Loam, Sand
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, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
Complete balanced fertilizer
Pests and Diseases
Pests and diseases free
Leaf spot, Root rot
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
Birds, Hummingbirds, Butterflies
Allergy
Eye irritation, Red eyes
Mild Allergen
Uses
Aesthetic Uses
Cottage Garden
Borders, Wild gardens
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
Tooth ache
Part of Plant Used
Flowers, Root bark
Root
Other Uses
Used in construction, Used in pencil industry, Wood is used for making furniture
Showy Purposes
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees, Tropical
Cutflower, Mixed Border, Wildflower
Botanical Name
TECTONA grandis
PENSTEMON digitalis 'Husker Red'
Common Name
East Indian Oak, Teak
Husker Red Penstemon, Talus Slope Penstemon
In Hindi
सागौन
Talus Slope Penstemon
In German
Teak
Gehängeschutt Penstemon
In French
Teak
Talus Slope Penstemon
In Spanish
Teak
Astrágalo pendiente Penstemon
In Greek
Teak
Αστράγαλος Κλίση Penstemon
In Portuguese
Teak
Talus Penstemon Slope
In Polish
Teak
Talus Slope Penstemon
In Latin
Teak
Talus Clivo Persicaria
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Lamiales
Scrophulariales
Family
Verbenaceae
Scrophulariaceae
Genus
Tectona
Penstemon
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Asterids, Eudicots
Tribe
-
-
Subfamily
-
-
Number of Species
5280
1
27800
👆🏻