Life Span
Perennial
Perennial
Type
Tree
Flowering Plants
Origin
Southeastern Asia
North-Central United States, Central United States, Western United States, Texas
Types
Nilambur teak, Adilabad teak
Blue Toadflax, Old-Field Toadflax
Number of Varieties
530
0
40000
👆🏻
Habitat
Hillside, tropical environments
Cultivated Beds
USDA Hardiness Zone
10-153-9
0
99
👆🏻
AHS Heat Zone
12-10
9-1
Sunset Zone
H1, H2
1a, 1b, 2a, 2b, 3a, 3b, 10
Habit
Upright/Erect
Upright/Erect
Plant Size
Minimum Height
2,740.00 cm61.00 cm
0
3900
👆🏻
Minimum Width
1,220.00 cm25.40 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Ivory
Pink, Light Blue, Lavender
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Tan, Sandy Brown
-
Leaf Color in Spring
Green, Light Green
Light Green, Blue Green, Gray Green
Leaf Color in Summer
Green
Blue Green, Gray Green
Leaf Color in Fall
Green
Blue Green, Gray Green
Leaf Color in Winter
-
-
Shape
Leaf Shape
Oval
Oval to egg shaped
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
Clay, Loam
The pH of Soil
Acidic, Neutral
Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Summer, Late Summer, Early Fall
Late Spring, Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought
Where to Plant?
Ground
Ground
How to Plant?
Seedlings, Transplanting
Cuttings, Divison, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Water daily during growing season
Average Water Needs, Do Not over Water
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
Clay, 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, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
use all-purpose fertilizers
Pests and Diseases
Pests and diseases free
Foliar disease, Root rot, Spider mites
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
Bumblebees
Allergy
Eye irritation, Red eyes
Depression, High blood cholestrol, Pain
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
Analgesic, Febrifuge, Stomachic
Part of Plant Used
Flowers, Root bark
Leaves, Root
Other Uses
Used in construction, Used in pencil industry, Wood is used for making furniture
-
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees, Tropical
Rock Garden / Wall, Wildflower
Botanical Name
TECTONA grandis
PENSTEMON grandiflorus
Common Name
East Indian Oak, Teak
Large Beardtongue, Shell-leaf Penstemon, Wild Snapdragon
In Hindi
सागौन
Wild Snapdragon
In German
Teak
Wilde Snapdragon
In French
Teak
Snapdragon sauvage
In Spanish
Teak
Salvaje Snapdragon
In Greek
Teak
άγρια Snapdragon
In Portuguese
Teak
Selvagem Snapdragon
In Polish
Teak
Dziki Snapdragon
In Latin
Teak
Phlox Ferae
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
-
Scrophularioideae
Number of Species
540
1
27800
👆🏻